ThousandEyes, a Cisco division, has released its network outage report, detailing the number of global network disruptions during specific weeks in early 2026. The data shows the ongoing trends in ISP, cloud, and collaboration app outages, along with specific incidents of notable service interruptions.
Internet Report Overview
Week of April 20 – April 26, 2026During this week, there were 264 global network outage events, indicating a 10% increase from the previous week. In the U.S., there were 170 outages, marking a 19% rise.
- ISP Outages: Increased from 105 to 145 globally and from 54 to 88 in the U.S.
- Public Cloud Network Outages: Decreased from 95 to 63 globally, and from 79 to 51 in the U.S.
- Collaboration App Network Outages: Increased marginally from 0 to 1.
Notable Incidents:
- Verizon Business faced an outage on April 22 impacting multiple regions, lasting just over an hour.
- Zayo Group experienced an outage affecting numerous global customers on April 25 for about half an hour.
Week of April 13 – April 19, 2026A total of 240 network outage events were recorded, with a slight decrease of 4% from the prior week.
- ISP Outages: Decreased globally from 126 to 105, but U.S. outages decreased from 70 to 54.
- Public Cloud Network Outages: Increased globally from 61 to 95 and in the U.S. from 50 to 79.
Notable Incidents:
- Zayo Group reported an outage on April 15 that lasted approximately 15 minutes and impacted international customers.
Trend Overview
ThousandEyes monitored a consistent rise in network outages over several weeks, primarily affecting ISPs and public cloud networks. The data indicates:
- ISP outages have been fluctuating, with recent weeks showing an upward trend after a decline.
- Public cloud network performance appears to be less stable, with occasional spikes in outages reported.
- Collaboration app networks have generally seen minimal impact, yet singleton outages can still pose significant disruptions.
These reports highlight the importance of monitoring network health and service performance to ensure consistent operational uptime for businesses relying on internet services and cloud technology.
For more detailed reports from previous years or to check on the ongoing trends, you can find archival data provided by ThousandEyes here.
