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Global Network Outage

2025 global network outage report and internet health check



ThousandEyes tracks internet and cloud traffic and provides Network World with weekly updates on the performance of ISPs, cloud service providers, and UCaaS providers. 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 on the performance of cloud providers and ISPs.

Internet Report for July 14-20


ThousandEyes reported 216 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 July 14-20. That’s an increase of 44% in outages from the week prior. Specific to the U.S., there were 128 outages, which is up 94% from 66 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, total ISP outages increased from 80 to 127 outages, a 59% increase compared to the week prior. In the U.S., ISP outages more than doubled, rising from 33 to 68 outages, a 106% increase. Public cloud network outages: Globally, cloud provider network outages increased from 28 to 37 outages, a 32% increase compared to the week prior. In the U.S., cloud provider network outages increased from 16 to 29 outages, an 81% increase.

Collaboration app network outages: Globally, cloud provider network outages increased from 28 to 37 outages, a 32% increase compared to the week prior. In the U.S., cloud provider network outages increased from 16 to 29 outages, an 81% increase.

Two notable outages


On July 14, Cloudflare experienced a DNS service outage, impacting users globally who relied on its public DNS resolver. The outage, first observed around 5:50 PM EDT, prevented affected users from resolving domain names and accessing websites and applications. Cloudflare confirmed that the incident resulted from an internal configuration error that caused their DNS public resolver service to become unreachable. The incident lasted approximately one hour, with service fully restored by 6:54 PM EDT after Cloudflare identified and fixed the configuration issue. Click here for an interactive view and here for a detailed analysis.

On July 17, GTT Communications, a Tier 1 provider headquartered in Tysons, VA, experienced an outage that impacted some of its partners and customers across multiple regions, including the U.S., Canada. Germany and Australia. The outage, which lasted 58 minutes, was first observed around 5:30 AM EDT and appeared to be centered on GTT nodes located in San Jose, CA. The outage was cleared around 6:30 AM EDT. Click here for an interactive view.
Internet Report for July 7-13

ThousandEyes reported 150 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 July 7-13. That’s the same volume of outages as the week prior. Specific to the U.S., there were 66 outages, which is down 15% from 78 outages the week prior. Here’s a breakdown by category:

ISP outages: Globally, total ISP outages increased from 66 to 80 outages, a 21% increase compared to the week prior. In the U.S., ISP outages increased slightly from 30 to 33 outages, a 10% increase.
Public cloud network outages: Globally, cloud provider network outages decreased from 45 to 28 outages, a 38% decrease compared to the week prior. In the U.S., cloud provider network outages dropped from 33 to 16 outages, a 52% decrease.

Collaboration app network outages: For the first time in eight weeks, two collaboration application network outages were recorded globally. In the U.S., collaboration application network outages remained at zero.

Two notable outages


On July 10, Hurricane Electric, a network transit provider based in Fremont, CA, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., Mexico, Canada, Japan, Hong Kong, India, the Philippines, Singapore, Malaysia, Indonesia, Belgium, Bulgaria, Vietnam, and Thailand. The outage was first observed around 12:30 AM EDT and lasted a total of 30 minutes over a period of 50 minutes. The outage initially appeared to be centered on Hurricane Electric nodes located in Singapore, Hong Kong, and Frankfurt, Germany. Around twenty minutes into the outage, those nodes were joined by nodes located in Chicago, IL, in exhibiting outage conditions. Ten minutes after appearing to clear, nodes located in Singapore, and Frankfurt, Germany, once again began exhibiting outage conditions. The outage was cleared at around 1:30 AM EDT. 

On July 8, Unitas Global, a US-based network transit provider that merged with PacketFabric in 2023 and is now operating as PacketFabric, experienced an outage that impacted customers and downstream partners across multiple regions, including the U.S., Turkey, Canada, Singapore, the Netherlands, India, Switzerland, Germany, Malaysia, Greece, and France. The outage was first observed around 8:11 PM EDT and lasted a total of 34 minutes over a period of 54 minutes. The outage initially appeared to be centered on Unitas Global nodes located in Washington, D.C. Around six minutes into the outage, the nodes located in Washington, D.C., appeared to clear and were replaced by nodes located in New York, NY, in exhibiting outage conditions. Five minutes after appearing to clear, nodes located in New York, NY, and Washington, D.C., once again began exhibiting outage conditions. This rise in the number of nodes and locations exhibiting outage conditions appeared to coincide with an increase in the number of impacted downstream partners and customers. Around five minutes further on, the nodes located in New York, NY, and Washington, D.C., were temporarily replaced by nodes located in London, England, in exhibiting outage conditions. Five minutes later, the nodes located in London, England, were replaced by nodes located in New York, NY, in exhibiting outage conditions. The outage was cleared at around 9:05 PM EDT.



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