ThousandEyes, a Cisco-owned division, regularly monitors global internet and cloud traffic, reporting on performance issues across ISPs and cloud service providers. This week’s report covering June 22-28, 2026, indicated a significant uptick in network outages, revealing a total of 516 global events—an increase of 26% from the previous week. Notably, the U.S. faced 344 outages, marking a 21% rise.
Breakdown of Outages:
- ISP outages: Globally, these increased from 208 to 257, a 24% rise. In the U.S., they went from 129 to 148, a 15% increase.
- Public cloud network outages: Increased from 123 to 156 globally and from 110 to 139 in the U.S., representing a 27% increase.
- Collaboration app network outages: These remained unchanged, with one incident reported.
Significant Outages:
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June 27 – Cogent Communications: The multinational transit provider experienced a brief nine-minute outage, which began impacting their nodes in Atlanta and subsequently spread to other locations such as Washington, D.C. and Frankfurt, Germany, affecting numerous downstream providers and customers.
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June 25 – Cox Communications: An outage lasting 12 minutes was first noted around 4:36 PM EDT. The incident originated in Chicago and spread to neighboring cities including Cleveland and Phoenix.
For context, the previous week from June 15-21 registered 411 outages globally, showing some fluctuations in the data. During that time, Cox Communications reported another outage related to their services, affecting customers across several countries.
Overall, these outage reports underscore ongoing challenges in maintaining consistent internet service across global networks, especially during times of increasing demand and complexity in the service environment.
For further details on the outage statistics and trends, refer to the previous year’s reports:
