Possible BGP hijack

Beginning at 2022-04-12 14:57:53 UTC, we detected a possible BGP hijack.

Prefix 31.28.2.0/24, is normally announced by AS29076 CITYTELECOM-AS Filanco LTD, RU.

But beginning at 2022-04-12 14:57:53, the same prefix (31.28.2.0/24) was also announced by ASN 57455.

This was detected by 96 BGPMon peers.

Expected
Start time: 2022-04-12 14:57:53 UTC
Expected prefix: 31.28.2.0/24
Expected ASN: 29076 (CITYTELECOM-AS Filanco LTD, RU)
Event Details
Detected advertisement: 31.28.2.0/24
Detected Origin ASN 57455 (Unknown)
Detected AS Path 200155 39392 1299 57455
Detected by number of BGPMon peers: 96

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