Possible BGP hijack

Beginning at 2023-01-06 13:03:03, we detected a possible BGP hijack.

Prefix 91.0.0.0/8, Normally announced by AS5089 NTL, GB

Starting at 2023-01-06 13:03:03, a more specific route (91.224.228.0/23) was announced by ASN 34801.

This was detected by 3 BGPMon peers.

Expected
Start time: 2023-01-06 13:03:03 UTC
Expected prefix: 91.0.0.0/8
Expected ASN: 5089 (NTL, GB)
Event Details
Detected advertisement: 91.224.228.0/23
Detected Origin ASN 34801 (Unknown)
Detected AS Path 200155 39392 33891 47605 34801
Detected by number of BGPMon peers: 3

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