Gibraltar Connectivity Degraded for Three Hours on June 11
Gibraltar experienced a significant degradation in internet connectivity lasting approximately three hours on June 11. The disruption began at 15:50 UTC and concluded around 18:50 UTC, primarily affecting network reachability measurements. The cause has not been publicly attributed.
Technical Details
The event recorded a severity score of 9,600. The primary affected metric was the ping-slash24 signal, which measures ICMP reachability across IPv4 /24 prefixes. This signal showed a 33% drop from its peak value during the observation window.
Other network signals showed varied performance. The gtr.sarima signal, which tracks deviation from an expected traffic baseline, recorded a 67% drop from its peak. The bgp control plane signal, reflecting routing advertisement visibility, remained stable throughout the period.
The disruption remained ongoing at last observation.
