Macedonia Experienced Intermittent Connectivity Disruption Early July 13

North Macedonia experienced a series of intermittent connectivity disruptions in the early hours of July 13, with the most significant impact recorded between 01:39 and 03:40 UTC. The disruptions, which lasted approximately two hours in total, were characterized by a sharp drop in a key…

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North Macedonia experienced a series of intermittent connectivity disruptions in the early hours of July 13, with the most significant impact recorded between 01:39 and 03:40 UTC. The disruptions, which lasted approximately two hours in total, were characterized by a sharp drop in a key backscatter measurement signal.

Technical Details

The aggregate connectivity disruption reached a severity score of 2,163. The primary affected metric was the Merit Network Telescope (merit-nt) signal, which recorded a 90% drop from its peak value during the event. This signal serves as a proxy for overall internet connectivity by measuring unsolicited backscatter traffic. The disruption occurred in four distinct periods, with severity scores ranging from 500 to 583.

Other measurement signals showed minimal deviation. Border Gateway Protocol (BGP) control plane visibility remained stable, and active probing for IPv4 reachability (ping-slash24) showed only a 2% decline from its peak.

The cause has not been publicly attributed.

Connectivity was reported restored by 03:40 UTC.