Cuba experienced a brief but notable disruption to its internet control plane on Thursday, July 10, 2026. The event, which affected the Border Gateway Protocol (BGP), lasted approximately 20 minutes, beginning at 09:05 UTC and concluding by 09:25 UTC.
Technical Details
The disruption registered a severity score of 38, primarily impacting the BGP signal. The BGP signal measures the visibility of a country’s network prefixes in the global routing system. During the event, the median number of visible prefixes dropped by 2% from its peak. Other key network health indicators, including active probing for IPv4 reachability and traffic volume forecasts, showed no significant concurrent degradation.
Reported Cause
The cause of the brief disruption has not been publicly attributed.
Connectivity was reported restored within the observation window.
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