Possible BGP hijack

Beginning at 2021-10-29 10:24:40 UTC, we detected a possible BGP hijack.

Prefix 185.240.136.0/23, is normally announced by AS203188 ERYDAN-AS, PL.

But beginning at 2021-10-29 10:24:40, the same prefix (185.240.136.0/23) was also announced by ASN 198560.

This was detected by 116 BGPMon peers.

Expected
Start time: 2021-10-29 10:24:40 UTC
Expected prefix: 185.240.136.0/23
Expected ASN: 203188 (ERYDAN-AS, PL)
Event Details
Detected advertisement: 185.240.136.0/23
Detected Origin ASN 198560 (ITCARE, PL)
Detected AS Path 33891 201053 50607 198560 198560
Detected by number of BGPMon peers: 116

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