ThousandEyes has released its report detailing global network outages for the week of March 3 to 9, 2025. During this period, they recorded 425 network outage events. This was a 5% decrease from the previous week’s total of 447 outages. In the United States alone, there were 199 outages, reflecting a 5% increase from the week prior.
Key Findings from the Report
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Overall Outages: Global ISP outages fell from 261 to 219, a significant 16% decrease. However, in the U.S., the number of ISP outages rose from 73 to 81, marking an 11% increase.
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Cloud Services: Public cloud network outages saw a decline, falling from 120 to 111 globally and from 82 to 69 in the U.S.
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Collaboration Apps: Notably, collaboration application outages increased from zero to two globally but remained nonexistent in the U.S.
Significant Outages
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Microsoft Outage on March 3: Microsoft experienced a network outage impacting services in multiple regions including the U.S., Canada, and several European and Asian countries. The outage, occurring during a two-hour window, lasted over an hour. It affected nodes initially in Toronto, Canada, and Cleveland, Ohio, before spreading to other areas including New York and Los Angeles. The incident was resolved after a complex series of outages across various locations.
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Arelion Outage on March 5: Arelion, a Tier 1 provider, faced an outage affecting multiple regions including the U.S., Japan, and Europe. The 35-minute disruption originated from nodes in Ashburn, Virginia, with impacts escalating as more nodes experienced issues.
Previous Weeks’ Outages
The report additionally provided insights into the previous weeks, noting that the overall trend showed fluctuations in outages across ISPs and cloud services.
For instance:
- From Feb. 24 to March 2, a total of 447 outages were reported, with ISP outages rising significantly during the week.
- In earlier weeks, collaboration application outages fluctuated, indicating variable reliability across services.
ThousandEyes continues to monitor and analyze network performance metrics, providing valuable insights to enterprise organizations reliant on stable ISP and cloud services. For more detailed analyses, previous reports can be accessed here.
