Possible BGP hijack

Beginning at 2021-10-19 17:54:47 UTC, we detected a possible BGP hijack.

Prefix 46.231.224.0/21, is normally announced by AS39325 VIPZ, UA.

But beginning at 2021-10-19 17:54:47, the same prefix (46.231.224.0/21) was also announced by ASN 41664.

This was detected by 85 BGPMon peers.

Expected
Start time: 2021-10-19 17:54:47 UTC
Expected prefix: 46.231.224.0/21
Expected ASN: 39325 (VIPZ, UA)
Event Details
Detected advertisement: 46.231.224.0/21
Detected Origin ASN 41664 (SEMSER-AS, KZ)
Detected AS Path 262595 16735 3356 12389 13259 41664
Detected by number of BGPMon peers: 85

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