Possible BGP hijack

Beginning at 2023-03-13 03:57:32, we detected a possible BGP hijack.

Prefix 204.157.0.0/16, Normally announced by AS174 COGENT-174, US

Starting at 2023-03-13 03:57:32, a more specific route (204.157.245.0/24) was announced by ASN 272082.

This was detected by 61 BGPMon peers.

Expected
Start time: 2023-03-13 03:57:32 UTC
Expected prefix: 204.157.0.0/16
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 204.157.245.0/24
Detected Origin ASN 272082 ()
Detected AS Path 138540 9299 1299 28007 271935 272082
Detected by number of BGPMon peers: 61

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