Possible BGP hijack

Beginning at 2021-11-25 08:25:05 UTC, we detected a possible BGP hijack.

Prefix 80.249.16.0/20, is normally announced by AS41664 SEMSER-AS, KZ.

But beginning at 2021-11-25 08:25:05, the same prefix (80.249.16.0/20) was also announced by ASN 210457.

This was detected by 3 BGPMon peers.

Expected
Start time: 2021-11-25 08:25:05 UTC
Expected prefix: 80.249.16.0/20
Expected ASN: 41664 (SEMSER-AS, KZ)
Event Details
Detected advertisement: 80.249.16.0/20
Detected Origin ASN 210457 ()
Detected AS Path 33891 31133 13259 210457 210457
Detected by number of BGPMon peers: 3

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