2024 global network outage report and internet health check

The reliability of services delivered by ISPs, cloud providers and conferencing services is critical for enterprise organizations. ThousandEyes, a Cisco company, monitors how providers are handling any performance challenges and provides Network World with a weekly roundup of events that impact service delivery. Read on to see the latest analysis, and stop back next week for another update.

(Note: We have archived prior-year updates, including the 2023 outage report and our coverage during the Covid-19 years, when we began tracking the performance of cloud providers and ISPs.)

Internet report for May 20-26, 2024

ThousandEyes reported 202 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of May 20-26. That’s down 11% from 227 outages the week prior. Specific to the U.S., there were 65 outages, which is down 23% from 84 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages decreased from 157 to 121 outages, a 23% decline compared to the week prior. In the U.S., the number of ISP outages decreased 11% from 57 to 51 outages.

Public cloud network outages: Globally, cloud provider network outages increased from 33 to 37 outages. In the U.S., cloud provider network outages decreased from 10 to five outages

Collaboration app network outages: Globally, collaboration app network outages jumped from six to 14 outages. In the U.S., collaboration app network outages remained the same as the week prior, recording 3 outages. 

Two notable outages

On May 21, Time Warner Cable, a U.S.-based ISP, experienced a disruption that affected numerous customers and partners across multiple regions, including the U.S., U.K., Canada, Singapore, Thailand, and Mexico. The outage occurred in a series of occurrences over a two-hour period, starting at around 6:05 AM EDT. Initially, the issue appeared to be centered on Time Warner Cable nodes in New York, NY. Five minutes after the first observation, the number of affected nodes in New York, NY, increased and nodes in Denver, CO, and Los Angeles, CA, were also impacted. Another five minutes later, the nodes in Denver, CO, and Los Angeles, CA, were no longer affected, but nodes in Chicago, IL, started exhibiting outage conditions. Twenty-five minutes after the initial observation, nodes in New York, NY, and Chicago, IL, were affected again, along with nodes in Denver, CO, and Dallas, TX. Four minutes later, all nodes seemed to recover, but then nodes in New York, NY, Chicago, IL, and Denver, CO, experienced outage conditions and recoveries across five further occurrences. The outage lasted a total of 49 minutes and was resolved around 8:05 AM EDT. Click here for an interactive view.

On May 21, GTT Communications, a Tier 1 provider headquartered in Tysons, VA, experienced an outage that affected some of its partners and customers across multiple regions, including the U.S., Canada, Australia, and the Netherlands. The outage lasted a total of 32 minutes and occurred in three occurrences over a one hour and 15-minute period, beginning around 3:05 PM EDT. The first occurrence, which lasted around 19 minutes, seemed to be centered on GTT nodes located in Seattle, WA, San Jose, CA, Los Angeles, CA, and San Francisco, CA. Five minutes after it appeared to be resolved, a second occurrence was observed, this time affecting nodes in San Jose, CA, Seattle, WA, and Los Angeles, CA. This reduction in affected nodes coincided with a decrease in the number of regions and partners impacted. Thirty-five minutes after the nodes in San Jose, CA, and Los Angeles, CA, appeared to be cleared, they exhibited outage conditions once again. The outage was resolved around 4:20 PM EDT. Click here for an interactive view.

Internet report for May 13-19, 2024

ThousandEyes reported 227 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of May 13-19. That’s up a sizable 43% from 159 outages the week prior. Specific to the U.S., there were 84 outages, which is up 27% from 66 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages increased from 105 to 157 outages, a 50% leap compared to the week prior. In the U.S., the number of ISP outages increased 43% from 40 to 57 outages.

Public cloud network outages: Globally, cloud provider network outages increased from 18 to 33 outages. In the U.S., cloud provider network outages increased from nine to 10.

Collaboration app network outages: Globally, collaboration app network outages decreased from seven to six outages. In the U.S., collaboration app network outages increased from two to three outages.

Two notable outages

On May 19, Cogent Communications, a U.S.-based multinational transit provider, experienced an outage that impacted multiple downstream providers as well as Cogent customers across various regions, including the U.S., the U.K., Mexico, Spain, Singapore, Brazil, Turkey, Germany, Switzerland, the Netherlands, China, Portugal, Chile, Peru, Canada, India, Thailand, South Korea, France, and Japan. The outage, which lasted 19 minutes, was first observed around 4:55 PM EDT and initially centered on Cogent nodes located in Nashville, TN. Five minutes after first being observed, the nodes experiencing outage conditions expanded to include nodes in Houston, TX, Atlanta, GA, New York, NY, Washington, D.C., and Philadelphia, PA. Five minutes later, the number of locations with nodes exhibiting outage conditions expanded again, this time including nodes in Bilbao, Spain, Dallas, TX, Phoenix, AZ, Charlotte, NC, and Indianapolis, IN. As a result, the number of impacted customers and providers increased. The outage was resolved around 5:15 PM EDT. Click here for an interactive view.

On May 16, Rackspace Technology, a U.S. managed cloud computing provider headquartered in San Antonio, Texas, experienced a series of outages over a period of four hours and fifteen minutes that impacted multiple downstream providers, as well as Rackspace customers within multiple regions including the U.S., Canada, Mexico, Germany, Singapore, Chile, Brazil, France, Spain, South Africa, Vietnam, Turkey, and Switzerland. The outage, lasting a total of 28 minutes, was first observed around 5:00 AM EDT and appeared to center on Rackspace nodes located in Chicago, IL. The outage was cleared around 9:15 AM EDT. Click here for an interactive view.

Internet report for May 6-12, 2024

ThousandEyes reported 159 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of May 6-12. That’s down 5% from 151 outages the week prior. Specific to the U.S., there were 66 outages, which is up 32% from 50 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages declined from 113 to 105 outages, a 7% decrease compared to the week prior. In the U.S., the number of ISP outages increased slightly (3%) from 39 to 40 outages.

Public cloud network outages: Globally, cloud provider network outages increased from 15 to 18 outages. In the U.S., cloud provider network outages jumped from two to nine.

Collaboration app network outages: Globally, collaboration app network outages decreased from nine to seven outages. In the U.S., collaboration app network outages fell from three to two outages.

Two notable outages

On May 8, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners across the U.S. The outage was first observed at around 7:45 PM EDT and appeared to center on Time Warner Cable nodes located in New York, NY.  Five minutes after first being observed, the number of nodes located in New York, NY, exhibiting outage conditions increased. The outage lasted a total of 23 minutes and was cleared at around 8:10 PM EDT. Click here for an interactive view.

On May 7, Comcast Communications experienced an outage that impacted a number of downstream partners and customers across the U.S. and Canada. The outage, lasting 8 minutes, was first observed around 1:20 AM EDT and appeared to be centered on Comcast nodes located in Chicago, IL and Ashburn, VA. Five minutes into the outage, the nodes located in Ashburn, VA, appeared to clear, leaving the nodes located in Chicago, IL, exhibiting outage conditions. The apparent decrease of nodes exhibiting outage conditions appeared to coincide with a decrease in the number of impacted downstream customers and partners. The outage was cleared around 1:30 AM EDT. Click here for an interactive view.

Internet report for April 29- May 5, 2024

ThousandEyes reported 151 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of April 29- May 5. That’s down slightly (3%) from 156 outages the week prior. Specific to the U.S., there were 50 outages, which is down 7% from 54 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages increased from 104 to 113 outages, a 9% increase compared to the week prior. In the U.S., the number of ISP outages increased 5% from 37 to 39 outages.

Public cloud network outages: Globally, cloud provider network outages decreased from 22 to 15 outages. In the U.S., cloud provider network outages decreased from six to two.

Collaboration app network outages: Globally, collaboration app network outages increased from eight to nine outages. In the U.S., collaboration app network outages fell from four to three outages.

Two notable outages

On April 29, NTT America, a global Tier 1 ISP and subsidiary of NTT Global, experienced an outage that impacted some of its customers and downstream partners in multiple regions, including the U.S., Japan, South Korea, China, Taiwan, Singapore, the Netherlands, Hungary, Turkey, Brazil, India, Argentina, Australia, the U.K., Thailand, Malaysia, Mexico, and Canada. The outage, lasting 24 minutes, was first observed around 2:40 PM EDT and appeared to initially center on NTT nodes located in San Jose, CA. Around five minutes into the outage, the nodes located in San Jose, CA, appeared to clear, and were replaced by nodes located in Tokyo, Japan, in exhibiting outage conditions. Ten minutes after first being observed, the nodes located in Tokyo, Japan, were joined by nodes located in Osaka, Japan, Singapore, Dallas, TX, and Los Angeles, CA, in exhibiting outage conditions. The outage was cleared around 3:05 PM EDT. Click here for an interactive view.

On April 29, Cogent Communications, a multinational transit provider based in the US, experienced an outage that impacted multiple downstream providers and customers across various regions, including the U.S., Brazil, the U.K., Canada, Chile, Mexico, Japan, Germany, Spain, and France. The outage, lasting for a total of one hour and 12 minutes, was divided into two occurrences over a period of 35 minutes. The first occurrence was observed around 2:45 AM EDT and initially seemed to be centered on Cogent nodes located in Ashburn, VA, and Washington, D.C. Five minutes into the outage, the nodes located in Ashburn, VA, appeared to clear and were replaced by nodes located in Baltimore, MD, New York, NY, and Phoenix, AZ, along with nodes located in Washington, D.C., in exhibiting outage conditions. This increase in nodes exhibiting outage conditions also appeared to coincide with an increase in the number of downstream customers, partners, and regions impacted. Twenty minutes after appearing to clear, nodes located in New York, NY, and Washington, D.C., were joined by nodes located in Houston, TX, in exhibiting outage conditions. The outage was cleared around 3:20 AM EDT. Click here for an interactive view.

Internet report for April 22-28, 2024

ThousandEyes reported 156 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of April 22-28. That’s down 8% from 170 outages the week prior. Specific to the U.S., there were 54 outages, which is down 36% from 85 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages increased from 99 to 104 outages, a 5% increase compared to the week prior. In the U.S., the number of ISP outages decreased 31% from 54 to 37 outages.

Public cloud network outages: Globally, cloud provider network outages remained the same as the week prior, recording 22 outages. In the U.S., cloud provider network outages decreased from 10 to six.

Collaboration app network outages: Globally, collaboration app network outages decreased from nine to eight outages. In the U.S., collaboration app network outages stayed at the same level as the week before: four outages.

Two notable outages

On April 26, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners across the U.S. The outage was distributed across two occurrences over a twenty-five-minute period and was first observed at around 7:45 PM EDT and appeared to center on Time Warner Cable nodes located in New York, NY.  Ten minutes after first being observed, the number of nodes located in New York, NY, exhibiting outage conditions increased. The outage lasted a total of 17 minutes and was cleared at around 8:10 PM EDT. Click here for an interactive view.

On April 24, NTT America, a global Tier 1 ISP and subsidiary of NTT Global, experienced an outage that impacted some of its customers and downstream partners in multiple regions, including the U.S., Germany, India, China, Hong Kong, Canada, and Japan. The outage, lasting 9 minutes, was first observed around 7:15 AM EDT and appeared to initially center on NTT nodes located in San Jose, CA. Around five minutes into the outage, the nodes located in San Jose, CA, were joined by nodes located in Dallas, TX, in exhibiting outage conditions. The outage was cleared around 7:25 AM EDT. Click here for an interactive view.

Internet report for April 15-21, 2024

ThousandEyes reported 170 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of April 15-21. That’s up 11% from 161 outages the week prior. Specific to the U.S., there were 85 outages, which is up 18% from 72 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages decreased from 107 to 99 outages, a 7% decline compared to the week prior. In the U.S., the number of ISP outages climbed 6% from 51 to 54 outages.

Public cloud network outages: Both globally (22) and in the U.S. (10), cloud provider network outages remained the same as the week prior.

Collaboration app network outages: Globally, collaboration app network outages increased from five to nine outages. In the U.S., collaboration app network outages increased from two to four outages.

Two notable outages

On April 20, Cogent Communications, a multinational transit provider based in the US, experienced an outage that impacted multiple downstream providers and its own customers across various regions, including the US, Canada, Portugal, Germany, the Netherlands, Luxembourg, South Africa, Hong Kong, Singapore, the U.K., Italy, France, and Spain. The outage, lasting a total of one hour and 32 minutes, was divided into a series of occurrences over a period of two hours and 28 minutes. The first occurrence was observed around 10:55 PM EDT and initially seemed to be centered on Cogent nodes located in Seattle, WA, Portland, OR, and Hong Kong. Five minutes into the outage, the nodes located in Hong Kong appeared to clear and were replaced by nodes located in Minneapolis, MN, and Cleveland OH, in exhibiting outage conditions. Thirty-five minutes into the first occurrence, the number of nodes exhibiting outage conditions increased to include nodes located in Seattle, WA, Washington, D.C., Minneapolis, MN, Cleveland, OH, Boston, MA, and Bilbao, Spain. This increase in nodes exhibiting outage conditions also appeared to coincide with an increase in the number of downstream customers, partners, and regions impacted. A second occurrence was observed around five minutes after the issue initially appeared to have cleared. This second occurrence lasted approximately fourteen minutes and seemed to initially be centered around nodes located in Cleveland, OH. Around five minutes into the second occurrence, nodes located in Cleveland, OH, appeared to be temporarily replaced by nodes located in Seattle, WA, and Chicago, IL, before they themselves were replaced once again by nodes located in Cleveland, OH.  Around 15 minutes after appearing to clear, a third occurrence was observed, this time appearing to be centered around nodes located in Bilbao, Spain, and Cleveland, OH. The outage was cleared around 1:25 AM EDT. Click here for an interactive view.

On April 17, NTT America, a global Tier 1 ISP and subsidiary of NTT Global, experienced an outage that impacted some of its customers and downstream partners across multiple regions including the U.S., the U.K., the Netherlands, and Germany. The outage, lasting 17 minutes, was first observed around 2:55 AM EDT and appeared to initially center on NTT nodes located in Seattle, WA. Five minutes into the outage nodes located in Seattle, WA, were joined by nodes located in Dallas, TX, in exhibiting outage conditions. The outage was cleared around 3:15 AM EDT. Click here for an interactive view.

Internet report for April 8-14, 2024

ThousandEyes reported 161 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of April 8-14. That’s up 11% from 154 outages the week prior. Specific to the U.S., there were 72 outages, which is up 4% from 69 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages increased from 97 to 107 outages, a 10% increase compared to the week prior. In the U.S., the number of ISP outages climbed 13% from 45 to 51 outages.

Public cloud network outages: Globally, cloud provider network outages increased from 16 to 22 outages. In the U.S., cloud provider network outages decreased from 14 to 10 outages.

Collaboration app network outages: Globally, collaboration app network outages remained at the same level as the week prior, recording 5 outages. In the U.S., collaboration app network outages decreased from three to two outages.

Two notable outages

On April 8, Rackspace Technology, a U.S. managed cloud computing provider headquartered in San Antonio, Texas, experienced an outage that impacted multiple downstream providers, as well as Rackspace customers within multiple regions including the U.S., Japan, Vietnam, Spain, Canada, Germany, Singapore, France, the Netherlands, the U.K., Brazil, and South Africa. The outage, lasting a total of 14 minutes, was first observed around 9:00 AM EDT and appeared to center on Rackspace nodes located in Chicago, IL. Around five minutes into the outage, the number of nodes located in Chicago, IL, exhibiting outage conditions, appeared to clear. This decrease in impacted nodes appeared to coincide with a reduction of impacted regions. The outage was cleared around 9:15 AM EDT. Click here for an interactive view.

On Apr 10, GTT Communications, a Tier 1 ISP headquartered in Tysons, VA, experienced an outage that impacted some of its partners and customers across multiple regions, including the U.S., the U.K., Brazil, and Canada. The outage, lasting 9 minutes, was first observed around 8:10 AM EDT and appeared to initially be centered on GTT nodes located in Los Angeles, CA. Around five minutes into the outage the nodes located in Los Angeles appeared to clear and were replaced by nodes located in New York, NY, in exhibiting outage conditions. This change in location of nodes exhibiting outage conditions appeared to coincide with an increase in the number of impacted regions, downstream partners and customers. The outage was cleared around 8:20 AM EDT. Click here for an interactive view.

Internet report for April 1-7, 2024

ThousandEyes reported 145 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of April 1-7. That’s up 23% from 118 outages the week prior. Specific to the U.S., there were 69 outages, which is up 21% from 57 outages the week prior. Here’s a breakdown by category:

ISP outages: Both globally and in the U.S., ISP outages increased by 45% compared to the week prior. Globally, the number of ISP outages climbed from 67 to 97. In the U.S., the number of ISP outages jumped from 31 to 45 outages.

Public cloud network outages: Globally, cloud provider network outages declined slightly from 17 to 16 outages. In the U.S., they remained at the same level (14) as the previous week.

Collaboration app network outages: Globally, collaboration app network outages fell from 13 to five outages. In the U.S., collaboration app network outages dropped from eight to three outages.

Two notable outages

On April 2, Hurricane Electric, a network transit provider headquartered in Fremont, CA, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., Taiwan, Australia, Germany, Japan, the U.K., Ireland, India, and China. The outage, lasting 12 minutes, was first observed around 12:40 PM EDT and initially appeared to center on Hurricane Electric nodes located in New York, NY, Los Angeles, CA, and San Jose, CA. Five minutes into the outage, the nodes exhibiting outage conditions expanded to include nodes located in Chicago, IL, and Ashburn, VA. This coincided with an increase in the number of downstream partners and countries impacted. The outage was cleared around 12:55 PM EDT. Click here for an interactive view.

On April 2, BT, a multinational Tier 1 ISP headquartered in London, U.K., experienced an outage on their European backbone that impacted customers and downstream partners across multiple regions, including the U.S., the U.K., Switzerland, Spain, and Germany. The disruption, lasting 24 minutes, was first observed around 7:20 PM EDT and appeared to center on nodes located in London, England. Click here for an interactive view.

Internet report for March 25-31, 2024

ThousandEyes reported 118 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of March 18-24. That’s down 28% from 164 outages the week prior. Specific to the U.S., there were 57 outages, which is down slightly from 58 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages was nearly cut in half, falling from 128 to 67 outages, a 48% decrease compared to the week prior. In the U.S., the number of ISP outages fell slightly from 43 to 31 outages, a decline of 28%.

Public cloud network outages: Globally, total cloud provider network outages nearly tripled, jumping from six to 17 outages. In the U.S., cloud provider network outages jumped from three to 14 outages

Collaboration app network outages: Globally, collaboration app network outages more than doubled, increasing from six to 13. Similarly, in the U.S., collaboration app network outages doubled from four to eight.

Two notable outages

On March 29, Arelion (formerly known as Telia Carrier), a global Tier 1 ISP headquartered in Stockholm, Sweden, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., the Netherlands, and Japan. The disruption, lasting a total of 8 minutes, was first observed around 5:26 AM EDT and appeared to center on nodes located in Phoenix, AZ. The outage was cleared around 5:35 AM EDT. Click here for an interactive view.

On March 29, Cogent Communications, a U.S. based multinational transit provider, experienced an outage that impacted multiple downstream providers as well as Cogent customers across multiple regions, including the U.S., Canada, Germany, and Japan. The outage, lasting 9 minutes, was first observed around 1:45 AM EDT and appeared to initially center on Cogent nodes located in San Francisco, CA, Salt Lake City, UT, and Seattle, WA. Five minutes after first being observed, the nodes located in San Francisco, CA, Salt Lake City, UT and Seattle, WA, appeared to recover and were replaced by nodes located in Kansas City, MO in exhibiting outage conditions. As a result, the number of customers and providers impacted was reduced. The outage was cleared around 1:55 AM EDT. Click here for an interactive view.

Internet report for March 18-24, 2024

After a spike the week before, global outages decreased last week. ThousandEyes reported 164 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of March 18-24. That’s down 20% from 206 outages the week prior. Specific to the U.S., there were 58 outages, which is down 33% from 87 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages fell slightly from 131 to 128 outages, a 2% decrease compared to the week prior. In the U.S., the number of ISP outages fell slightly from 46 to 43 outages.

Public cloud network outages: Globally, cloud provider network outages decreased from 10 to six outages. In the U.S., they decreased from six to three outages.

Collaboration app network outages: Globally, collaboration app network outages fell dramatically from 34 to six outages. In the U.S., collaboration app network outages dropped from 28 to four outages.

Two notable outages

On March 20, Cogent Communications, a multinational transit provider based in the US, experienced an outage that impacted multiple downstream providers and its own customers across various regions, including the US, Italy, Saudi Arabia, France, Germany, Canada, Hong Kong, Luxembourg, Chile, Brazil, Kenya, Singapore, Mexico, Switzerland, Spain, Australia, Finland, Japan, Ireland, and Norway. The outage occurred for a total of 24 minutes, divided into three occurrences over a period of one hour and fifteen minutes. The first occurrence of the outage was observed around 12:50 AM EDT and initially seemed to be centered on Cogent nodes located in Frankfurt, Munich, and Hamburg in Germany, in Paris, France, and Kyiv, Ukraine. A second occurrence was observed around fifteen minutes after the issue initially appeared to have cleared. This second occurrence lasted approximately eighteen minutes and seemed to be centered around nodes located in Frankfurt, Munich, and Hamburg, Germany. Around ten minutes into the second occurrence, nodes located in Frankfurt, Munich and Hamburg, Germany, were joined by nodes located in Nuremberg, Germany, San Francisco, CA, San Jose, CA, Zurich, Switzerland, Amsterdam, the Netherlands, and Paris, France in exhibiting outage conditions. Around 30 minutes after appearing to clear, a third occurrence was observed, this time appearing to be centered around nodes located in Toronto, Canada. The outage was cleared around 2:05 AM EDT. Click here for an interactive view.

On March 24, Hurricane Electric, a network transit provider headquartered in Fremont, CA, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., China, Australia, Germany, the U.K., and Japan. The outage, first observed around 1:10 PM EDT, lasted 7 minutes in total and appeared to center on Hurricane Electric nodes located in New York, NY, and San Jose, CA. The outage was cleared at around 1:20 PM EDT. Click here for an interactive view.

Internet report for March 11-17, 2024

After weeks of decreasing, global outages increased significantly last week. ThousandEyes reported 206 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of March 11-17. That’s up 45% from 142 outages the week prior. Specific to the U.S., there were 87 outages, which is up 38% from 63 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages increased from 91 to 131 outages, a 44% increase compared to the week prior. In the U.S., the number of ISP outages climbed slightly from 44 to 46 outages.

Public cloud network outages: Globally, cloud provider network outages increased from six to 10 outages. In the U.S., they increased from four to six outages.

Collaboration app network outages: Globally, collaboration app network outages spiked from six to 34 outages. In the U.S., collaboration app network outages jumped from 3 to 28 outages.

Two notable outages

On March 16, Cogent Communications, a U.S. based multinational transit provider, experienced an outage that impacted multiple downstream providers as well as Cogent customers across multiple regions, including the U.S., Ireland, the U.K., Sweden, Austria, Germany, and Italy. The outage, lasting a total of 12 minutes, was divided into two occurrences over a one-hour and ten-minute period. The first occurrence was observed at around 6:30 PM EDT and appeared to initially be centered on Cogent nodes located in Baltimore, MD and New York, NY. Five minutes into the first occurrence, the nodes located in New York, NY, were replaced by nodes located in Philadelphia, PA, in exhibiting outage conditions. One hour after the issue initially appeared to have cleared, a second occurrence was observed. This second occurrence lasted approximately four minutes and appeared to be centered around nodes located in Baltimore, MD, Philadelphia, PA, New York, NY, and Newark, NJ. The outage was cleared around 7:45 PM EDT. Click here for an interactive view.

On March 12, Hurricane Electric, a network transit provider headquartered in Fremont, CA, experienced an outage that impacted customers and downstream partners across the U.S. and Canada. The outage, first observed around 2:00 AM EDT, lasted 7 minutes in total and was divided into two occurrences over a thirty-minute period. The first occurrence appeared to initially center on Hurricane Electric nodes located in Chicago, IL. Twenty minutes after appearing to clear, the nodes located in Chicago, IL, were joined by nodes located in Seattle, WA in exhibiting outage conditions. This increase in impacted nodes appeared to coincide with an increase in the number of impacted downstream customers and partners. The outage was cleared at around 2:30 AM EDT. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for March 4-10, 2024

ThousandEyes reported 142 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of March 4-10. That’s down 8% from 155 outages the week prior. Specific to the U.S., there were 63 outages, which is down 10% from 70 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages decreased from 95 to 91 outages, a 4% decrease compared to the week prior. In the U.S., the number of ISP outages stayed the same at 44 outages.

Public cloud network outages: Globally, cloud provider network outages fell from 13 to six outages. In the U.S., they decreased from seven to four outages.

Collaboration app network outages: Globally, collaboration app network outages decreased from eight outages to six. In the U.S., collaboration app network outages stayed at the same level as the week before: three outages.

Three notable outages

On March 5, several Meta services, including Facebook and Instagram, experienced a disruption that impacted users attempting to login, preventing them from accessing those applications. The disruption was first observed around 10:00 AM EST. During the disruption, Meta’s web servers remained reachable, with network paths to Meta services showing no significant error conditions, suggesting that a backend service, such as authentication, was the cause of the issue. The service was fully restored around 11:40 AM EST. More detailed analysis here.

On March 5, Comcast Communications experienced an outage that impacted a number of downstream partners and customers as well as the reachability of many applications and services, including Webex, Salesforce, and AWS. The outage, lasting 1 hour and 48 minutes, was first observed around 2:45 PM EST and appeared to impact traffic as it traversed Comcast’s network backbone in Texas, with Comcast nodes located in Dallas, TX and Houston TX, exhibiting outage conditions. The outage was completely cleared around 4:40 PM EST. More detailed analysis here.

On March 6, LinkedIn experienced a service disruption that impacted its mobile and desktop global user base. The disruption was first observed around 3:45 PM EST, with users experiencing service unavailable error messages. The major portion of the disruption lasted around one hour, during which time no network issues were observed connecting to LinkedIn web servers, further indicating the issue was application related. At around 4:38 PM EST, the service started to recover and was totally clear for all users around 4:50 PM EST. More detailed analysis here.

Additional details from ThousandEyes are available here.

Internet report for February 26-March 3, 2024

ThousandEyes reported 155 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of February 26-March 3. That’s down 6% from 165 outages the week prior. Specific to the U.S., there were 70 outages, which is up 19% from 59 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages decreased from 111 to 95 outages, a 14% decrease compared to the week prior. In the U.S., ISP outages increased 10%, climbing from 40 to 44 outages.

Public cloud network outages: After weeks of decreasing, cloud provider network outages began increasing again last week. Globally, cloud provider network outages climbed from eight to 13 outages. In the U.S., they increased from four to seven outages.

Collaboration app network outages: Globally, collaboration app network outages increased from five outages to eight. In the U.S., collaboration app network outages rose from two to three outages.

Two notable outages

On February 27, Level 3 Communications, a U.S. based Tier 1 carrier acquired by Lumen, experienced an outage that impacted multiple downstream partners and customers across the U.S. The outage, lasting a total of 18 minutes over a twenty-five-minute period, was first observed around 2:25 AM EST and appeared to be centered on Level 3 nodes located in Cleveland, OH. The outage was cleared around 2:50 AM EST. Click here for an interactive view.

On February 28, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners across the U.S. The outage was first observed at around 2:00 PM EST and appeared to center on Time Warner Cable nodes located in New York, NY.  Five minutes into the outage, the number of nodes located in New York, NY, exhibiting outage conditions increased. The outage lasted 14 minutes and was cleared at around 2:15 PM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for February 19-25, 2024

ThousandEyes reported 165 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of February 19-25. That’s down significantly from 243 outages in the week prior – a decrease of 32%. Specific to the U.S., there were 59 outages, which is down 34% from 90 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages decreased from 121 to 111 outages, an 8% decrease compared to the week prior. In the U.S., ISP outages decreased from 48 to 40 outages, a 17% decrease compared to the previous week.

Public cloud network outages: Globally, cloud provider network outages decreased significantly from 42 to eight outages, a 81% decrease compared to the week prior. In the U.S., they fell from eight to four outages.

Collaboration app network outages: Globally, collaboration app network outages decreased from seven outages to five. In the U.S., collaboration app network outages remained at the same level as the week prior: two outages.

Two notable outages

On February 22, Hurricane Electric, a network transit provider headquartered in Fremont, CA, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., Australia, China, the U.K., Japan, Singapore, India, France, and Canada. The outage, first observed around 9:10 AM EST, lasted 32 minutes in total and was divided into two occurrences over a forty-five-minute period. The first occurrence appeared to initially center on Hurricane Electric nodes located in New York, NY, Phoenix, AZ and Indianapolis, IN. Ten minutes after appearing to clear, the nodes located in New York, NY, were joined by nodes located in San Jose, CA in exhibiting outage conditions. Five minutes into the second occurrence, the disruption appeared to radiate out, and the nodes located in New York, NY, Phoenix, AZ and Indianapolis, IN, were joined by nodes located in Seattle, WA, Denver, CO, Ashburn, VA, Kansas City, MO and Omaha, NE in exhibiting outage conditions. This increase in impacted nodes appeared to coincide with an increase in the number of impacted downstream customers and partners. The outage was cleared at around 9:55 AM EST. Click here for an interactive view.

On February 21, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners across the U.S. The outage was first observed at around 2:45 PM EST and appeared to center on Time Warner Cable nodes located in New York, NY.  Fifteen minutes into the outage, the number of nodes located in New York, NY, exhibiting outage conditions increased. The outage lasted 23 minutes and was cleared at around 3:10 PM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for February 12-18, 2024

ThousandEyes reported 243 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of February 12-18. That’s down from 319 outages in the week prior – a decrease of 24%. Specific to the U.S., there were 90 outages, which is down slightly from 91 the week prior. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages decreased from 134 to 121 outages, a 10% decrease compared to the week prior. In the U.S., ISP outages decreased from 60 to 48 outages, a 20% decrease compared to the previous week.

Public cloud network outages: Globally, cloud provider network outages decreased significantly from 107 to 42 outages, a 61% decrease compared to the week prior. In the U.S., they doubled from four to eight outages.

Collaboration app network outages: Globally, collaboration app network outages decreased from 11 outages to seven. In the U.S., collaboration app network outages decreased from 5 to 2 outages.

Two notable outages

On February 16, Hurricane Electric, a network transit provider headquartered in Fremont, CA, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., Egypt, Sweden, the U.K., Japan, Mexico, Australia, Argentina, the Netherlands, Belgium, and Canada. The outage, first observed around 8:25 AM EST, lasted 23 minutes in total and was divided into two occurrences over a thirty-minute period. The first occurrence appeared to initially center on Hurricane Electric nodes located in New York, NY. Fifteen minutes into the first occurrence, the nodes located in New York, NY, were joined by nodes located in Paris, France and Amsterdam, the Netherlands in exhibiting outage conditions.  Five minutes after appearing to clear, nodes located in New York, NY once again began exhibiting outage conditions. The outage was cleared at around 8:55 AM EST. Click here for an interactive view.

On February 17, AT&T experienced an outage on their network that impacted AT&T customers and partners across the U.S. The outage, lasting around 14 minutes, was first observed around 3:40 PM EST, appearing to center on AT&T nodes located in Little Rock, AR. Five minutes after first being observed, the number of nodes exhibiting outage conditions located in Little Rock, AR, appeared to rise. This increase in nodes exhibiting outage conditions appeared to coincide with a rise in the number of impacted partners and customers. The outage was cleared at around 3:55 PM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for February 5-11, 2024

ThousandEyes reported 319 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of February 5-11. That’s up from 265 outages in the week prior – an increase of 20%. Specific to the U.S., there were 91 outages. That’s up from 45 outages the week prior, an increase of 102%. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages increased from 106 to 134 outages, a 26% increase compared to the week prior. In the U.S., ISP outages more than doubled from 28 to 60 outages, a 114% increase compared to the previous week.

Public cloud network outages: Globally, cloud provider network outages decreased slightly from 117 to 107, a 9% decrease compared to the week prior. In the U.S., they decreased from five to four outages.

Collaboration app network outages: Globally, collaboration app network outages climbed from three outages to 11. In the U.S., there were five collaboration app network outages, up from zero the week prior.

Two notable outages

On February 7, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners across multiple regions, including the U.S., Ireland, the U.K., Canada, India, Australia, Singapore, Japan, the Netherlands, France, Germany, Indonesia, Hong Kong, South Korea, China, and Brazil. The outage was observed across a series of occurrences over the course of forty-five minutes. First observed at around 4:50 PM EST, the outage, consisting of five equally spaced four-minute periods, appeared to initially center on Time Warner Cable nodes in New York, NY. Five minutes after appearing to clear, nodes located in New York, NY, were again observed exhibiting outage conditions, joined by nodes located in San Jose, CA. By the third period, the nodes located in San Jose, CA, had appeared to clear and were instead replaced by nodes located in Los Angeles, CA, in exhibiting outage conditions, in addition to nodes located in New York, NY. The outage lasted a total of 20 minutes and was cleared at around 5:35 PM EST. Click here for an interactive view.

On February 6, NTT America, a global Tier 1 ISP and subsidiary of NTT Global, experienced an outage that impacted some of its customers and downstream partners in multiple regions, including the U.S., Germany, the U.K., the Netherlands, and Hong Kong The outage, lasting 24 minutes, was first observed around 8:10 PM EST and appeared to initially center on NTT nodes located in Chicago, IL and Dallas, TX. Around five minutes into the outage, the nodes located in Chicago, IL and Dallas, TX, were joined by nodes located in Newark, NJ, in exhibiting outage conditions. The apparent increase of nodes exhibiting outage conditions appeared to coincide with an increase in the number of impacted downstream customers and partners. The outage was cleared around 8:35 PM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for January 29- February 4, 2024

ThousandEyes reported 265 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of January 29- February 4. That’s more than double the number of outages in the week prior (126). Specific to the U.S., there were 45 outages. That’s down from 55 outages the week prior, a decrease of 18%. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages was 106, an increase of 15% compared to 92 outages the previous week. In the U.S., ISP outages decreased by 28%, dropping from 39 to 28 outages.

Public cloud network outages: Globally, cloud provider network outages skyrocketed from five to 117 last week (the increase appeared to be a result of an increase in outages in the APJC region). In the U.S., they increased from two to five outages.

Collaboration app network outages: Globally, collaboration app network outages decreased from five outages to three. In the U.S., collaboration app network outages decreased from one outage to zero.

Two notable outages

On January 31, Comcast Communications experienced an outage that impacted a number of downstream partners and customers across multiple regions including the U.S., Malaysia, Singapore, Hong Kong, Canada, Germany, South Korea, Japan, and Australia. The outage, lasting 18 minutes, was first observed around 8:00 PM EST and appeared to be centered on Comcast nodes located in Ashburn, VA. Ten minutes into the outage, the nodes exhibiting outage conditions, located in Ashburn, VA, appeared to increase. The apparent increase of nodes exhibiting outage conditions appeared to coincide with an increase in the number of impacted downstream customers and partners. The outage was cleared around 8:20 PM EST. Click here for an interactive view.

On February 2, NTT America, a global Tier 1 ISP and subsidiary of NTT Global, experienced an outage that impacted some of its customers and downstream partners in multiple regions, including the U.S., Germany, the Netherlands, and the U.K. The outage, lasting 23 minutes, was first observed around 1:25 PM EST and appeared to center on NTT nodes located in Dallas, TX and Chicago, IL. The outage was cleared around 1:50 PM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for January 22-28, 2024

ThousandEyes reported 126 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of January 22-28. That’s down from 156 the week prior, a decrease of 19%. Specific to the U.S., there were 55 outages. That’s down from 91 outages the week prior, a decrease of 40%. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages was 92, a decrease of 14% compared to 107 outages the previous week. In the U.S., ISP outages decreased by 35%, dropping from 60 to 39 outages.

Public cloud network outages: Globally, cloud provider network outages dropped from 14 to five last week. In the U.S., they decreased from seven to two outages.

Collaboration app network outages: Globally, collaboration app network outages remained the same as the week prior: five outages. In the U.S., collaboration app network outages decreased from four outages to one.

Three notable outages

On January 26, Microsoft experienced an issue that affected its customers in various regions around the globe. The outage was first observed around 11:00 AM EST and seemed to cause service failures in Microsoft Teams, which affected the usability of the application for users across the globe. While there was no packet loss when connecting to the Microsoft Teams edge servers, the failures were consistent with reported issues within Microsoft’s network that may have prevented the edge servers from reaching the application components on the backend. The incident was resolved for many users by 6:10 PM EST. Click here for an interactive view.

On January 24, Akamai experienced an outage on its network that impacted content delivery connectivity for customers and partners using Akamai Edge delivery services in the Washington D.C. area. The outage was first observed around 12:10 PM EST and appeared to center on Akamai nodes located in Washington D.C. The outage lasted a total of 24 minutes. Akamai announced that normal operations had resumed at 1:00 PM EST. Click here for an interactive view.

On January 23, Internap, a U.S based cloud service provider, experienced an outage that impacted many of its downstream partners and customers in multiple regions, including the U.S., and Singapore. The outage, which was first observed around 2:30 AM EST, lasted 18 minutes in total and appeared to be centered on Internap nodes located in Boston, MA. The outage was at its peak around fifteen minutes after being observed, with the highest number of impacted regions, partners, and customers. The outage was cleared around 2:55 AM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for January 15-21, 2024

ThousandEyes reported 156 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of January 15-21. That’s up from 151 the week prior, an increase of 3%. Specific to the U.S., there were 91 outages. That’s up significantly from 63 outages the week prior, an increase of 44%. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages was 107, an increase of 8% compared to 83 outages the previous week, and in the U.S. ISP outages increased by 58%, climbing from 38 to 60 outages.

Public cloud network outages: Globally, cloud provider network outages dropped from 30 to 14 last week. In the U.S., they increased from six to seven outages.

Collaboration app network outages: Globally, collaboration app network outages decreased from seven to five outages. In the U.S., collaboration app network outages stayed at the same level: four outages.

Two notable outages

On January 16, Oracle experienced an outage on its network that impacted Oracle customers and downstream partners interacting with Oracle Cloud services in multiple regions, including the U.S., Canada, China, Panama, Norway, the Netherlands, India, Germany, Malaysia, Sweden, Czech Republic, and Norway. The outage was first observed around 8:45 AM EST and appeared to center on Oracle nodes located in various regions worldwide, including Ashburn, VA, Tokyo, Japan, San Jose, CA, Melbourne, Australia, Cardiff, Wales, London, England, Amsterdam, the Netherlands, Frankfurt, Germany, Slough, England, Phoenix, AZ, San Francisco, CA, Atlanta, GA, Washington D.C., Richmond, VA, Sydney, Australia, New York, NY, Osaka, Japan, and Chicago, IL. Thirty-five minutes after first being observed, all the nodes exhibiting outage conditions appeared to clear. A further ten minutes later, nodes located in Toronto, Canada, Phoenix, AZ, Frankfurt, Germany, Cleveland, OH, Slough, England, Ashburn, VA, Washington, D.C., Cardiff, Wales, Amsterdam, the Netherlands, Montreal, Canada, London, England, Sydney, Australia, and Melbourne, Australia began exhibiting outage conditions again.  The outage lasted 40 minutes in total and was cleared at around 9:50 AM EST. Click here for an interactive view.

On January 20, Hurricane Electric, a network transit provider headquartered in Fremont, CA, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., Thailand, Hong Kong, India, Japan, and Australia. The outage, first observed around 7:15 PM EST, lasted 11 minutes in total and was divided into two occurrences over a one-hour five-minute period. The first occurrence appeared to center on Hurricane Electric nodes located in Los Angeles, CA. Fifty minutes after the first occurrence appeared to clear, the second occurrence was observed. Lasting 8 minutes, the outage initially appeared to center on nodes located in Los Angeles, CA. Around five minutes into the second occurrence, the nodes in Los Angeles, CA were joined by nodes located in San Jose, CA, in exhibiting outage conditions. The outage was cleared at around 8:20 PM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for January 8-14, 2024

ThousandEyes reported 151 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of January 8-14. That’s up from 122 the week prior, an increase of 24%. Specific to the U.S., there were 63 outages. That’s up from 58 outages the week prior, an increase of 9%. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages was 83, an increase of 8% compared to the previous week, and in the U.S. they increased by 6%, climbing from 36 to 38 outages.

Public cloud network outages: Globally, cloud provider network outages jumped from 19 to 30 last week. In the U.S., they decreased from 10 to six outages.

Collaboration app network outages: Globally, collaboration app network outages increased from five to seven outages. In the U.S., collaboration app network outages increased from one to four outages.

Two notable outages

On January 14, Zayo Group, a U.S. based Tier 1 carrier headquartered in Boulder, Colorado, experienced an outage that impacted some of its partners and customers across multiple regions including the U.S., Canada, Sweden, and Germany. The outage lasted around 14 minutes, was first observed around 7:10 PM EST, and appeared to initially center on Zayo Group nodes located in Houston, TX. Ten minutes after first being observed, nodes located in Houston, TX, were joined by nodes located in Amsterdam, the Netherlands, in exhibiting outage conditions. This rise of the number of nodes exhibiting outage conditions appeared to coincide with an increase in the number of impacted downstream partners and customers. The outage was cleared around 7:25 PM EST. Click here for an interactive view.

On January 13, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners across the U.S. The outage was first observed at around 12:45 PM EST and appeared to center on Time Warner Cable nodes located in New York, NY.  Fifteen minutes into the outage, the number of nodes located in New York, NY, exhibiting outage conditions increased. The outage lasted 19 minutes and was cleared at around 1:05 PM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.

Internet report for January 1-7, 2024

ThousandEyes reported 122 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week ofJanuary 1-7. Over the prior three weeks, all outage categories continuously decreased for two weeks before increasing in the last week. Specific to the U.S., there were 58 outages. Here’s a breakdown by category:

ISP outages: Globally, the number of ISP outages was 77, an increase of 43% compared to the previous week, and in the U.S. they nearly doubled from 20 to 36.

Public cloud network outages: Globally, cloud provider network outages increased from 13 to 19 last week. In the U.S., they increased from 6 to 10.

Collaboration app network outages: Globally, collaboration app network outages increased from one to five outages. In the U.S., collaboration app network outages increased from zero to one. 

Two notable outages

On January 4, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners across the U.S. The outage was first observed at around 10:45 AM EST and appeared to center on Time Warner Cable nodes located in New York, NY.  Five minutes into the outage, the number of nodes located in New York, NY, exhibiting outage conditions increased. The outage lasted 13 minutes and was cleared at around 11:00 AM EST. Click here for an interactive view.

On January 4, Telecom Italia Sparkle, a Tier 1 provider headquartered in Rome, Italy, and part of the Italian-owned Telecom Italia, experienced an outage that impacted many of its downstream partners and customers in multiple regions, including the U.S., Argentina, Brazil, and Chile. The outage lasted 28 minutes in total and was divided into two episodes over a 35-minute period. It was first observed around 4:00 AM EST. The first period of the outage, lasting around 24 minutes, appeared to be centered on Telecom Italia Sparkle nodes located in Miami, FL. Five minutes after appearing to clear, nodes located in Miami, FL, again exhibited outage conditions. The outage was cleared around 4:35 AM EST. Click here for an interactive view.

Additional details from ThousandEyes are available here.