Possible BGP hijack

Beginning at 2023-09-27 18:10:27, we detected a possible BGP hijack.

Prefix, Normally announced by AS21396 NETCONNEX NetConnex Broadband Ltd., GB

Starting at 2023-09-27 18:10:27, a more specific route ( was announced by ASN 19318.

This was detected by 44 BGPMon peers.

Start time: 2023-09-27 18:10:27 UTC
Expected prefix:
Expected ASN: 21396 (NETCONNEX NetConnex Broadband Ltd., GB)
Event Details
Detected advertisement:
Detected Origin ASN 19318 (IS-AS-1, US)
Detected AS Path 28300 7195 19318
Detected by number of BGPMon peers: 44

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