Possible BGP hijack

Beginning at 2022-04-13 13:30:55 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS40676 AS40676, US.

But beginning at 2022-04-13 13:30:55, the same prefix ( was also announced by ASN 38987.

This was detected by 2 BGPMon peers.

Start time: 2022-04-13 13:30:55 UTC
Expected prefix:
Expected ASN: 40676 (AS40676, US)
Event Details
Detected advertisement:
Detected Origin ASN 38987 (OST-AS, PL)
Detected AS Path 33891 20804 38987 38987 38987
Detected by number of BGPMon peers: 2

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