Possible BGP hijack

Beginning at 2022-04-21 21:35:52 UTC, we detected a possible BGP hijack.

Prefix 217.163.57.0/24, is normally announced by AS44965 CONTACTUAL, GB.

But beginning at 2022-04-21 21:35:52, the same prefix (217.163.57.0/24) was also announced by ASN 198554.

This was detected by 7 BGPMon peers.

Expected
Start time: 2022-04-21 21:35:52 UTC
Expected prefix: 217.163.57.0/24
Expected ASN: 44965 (CONTACTUAL, GB)
Event Details
Detected advertisement: 217.163.57.0/24
Detected Origin ASN 198554 (DXI-AS, GB)
Detected AS Path 16178 174 198554
Detected by number of BGPMon peers: 7

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