Possible BGP hijack

Beginning at 2021-10-25 09:52:10 UTC, we detected a possible BGP hijack.

Prefix 171.25.172.0/22, is normally announced by AS57679 TRK-TONUS-AS, RU.

But beginning at 2021-10-25 09:52:10, the same prefix (171.25.172.0/22) was also announced by ASN 212046.

This was detected by 4 BGPMon peers.

Expected
Start time: 2021-10-25 09:52:10 UTC
Expected prefix: 171.25.172.0/22
Expected ASN: 57679 (TRK-TONUS-AS, RU)
Event Details
Detected advertisement: 171.25.172.0/22
Detected Origin ASN 212046 (MEZON-, LT)
Detected AS Path 28329 13786 13194 212046
Detected by number of BGPMon peers: 4

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