Possible BGP hijack

Beginning at 2023-03-31 11:23:23 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS8220 COLT COLT Technology Services Group Limited, GB.

But beginning at 2023-03-31 11:23:23, the same prefix ( was also announced by ASN 7155.

This was detected by 9 BGPMon peers.

Start time: 2023-03-31 11:23:23 UTC
Expected prefix:
Expected ASN: 8220 (COLT COLT Technology Services Group Limited, GB)
Event Details
Detected advertisement:
Detected Origin ASN 7155 (VIASAT-SP-BACKBONE, US)
Detected AS Path 203507 7155
Detected by number of BGPMon peers: 9

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