Greece Experiences BGP Control Plane Disruption Lasting 1.7 Hours

Greece experienced a disruption to its internet control plane visibility on July 18, 2026, affecting the Border Gateway Protocol (BGP). The event lasted approximately 1.7 hours, starting at 12:15 UTC and concluding by 13:55 UTC.

Technical Details

The disruption registered a severity score of 101, with the primary impact observed on the BGP signal. This signal measures the stability and visibility of network routing announcements, indicating a reduction in the number of visible network prefixes from within the country. The event consisted of two distinct periods of degradation, one lasting 30 minutes and another lasting 65 minutes.

Other internet measurement signals showed minimal deviation. The ping-slash24 signal, which measures active reachability to IPv4 address blocks, recorded only a 1% drop from its peak. The cause has not been publicly attributed.

Network connectivity was reported restored following the event.