Possible BGP hijack

Beginning at 2021-09-09 22:25:31 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS43673 MULTICARTA-AS, RU.

But beginning at 2021-09-09 22:25:31, the same prefix ( was also announced by ASN 5511.

This was detected by 118 BGPMon peers.

Start time: 2021-09-09 22:25:31 UTC
Expected prefix:
Expected ASN: 43673 (MULTICARTA-AS, RU)
Event Details
Detected advertisement:
Detected Origin ASN 5511 (OPENTRANSIT, FR)
Detected AS Path 20205 174 5511
Detected by number of BGPMon peers: 118

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