Possible BGP hijack

Beginning at 2023-04-30 16:58:23 UTC, we detected a possible BGP hijack.

Prefix 185.212.75.0/24, is normally announced by AS396950 COMSTBARTH-AS, BL.

But beginning at 2023-04-30 16:58:23, the same prefix (185.212.75.0/24) was also announced by ASN 5511.

This was detected by 9 BGPMon peers.

Expected
Start time: 2023-04-30 16:58:23 UTC
Expected prefix: 185.212.75.0/24
Expected ASN: 396950 (COMSTBARTH-AS, BL)
Event Details
Detected advertisement: 185.212.75.0/24
Detected Origin ASN 5511 (OPENTRANSIT, FR)
Detected AS Path 206640 29535 5511
Detected by number of BGPMon peers: 9

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