Possible BGP hijack

Beginning at 2023-03-27 18:37:20 UTC, we detected a possible BGP hijack.

Prefix 172.85.107.0/24, is normally announced by AS42831 UKSERVERS-AS UK Dedicated Servers, Hosting and Co-Location, GB.

But beginning at 2023-03-27 18:37:20, the same prefix (172.85.107.0/24) was also announced by ASN 26636.

This was detected by 4 BGPMon peers.

Expected
Start time: 2023-03-27 18:37:20 UTC
Expected prefix: 172.85.107.0/24
Expected ASN: 42831 (UKSERVERS-AS UK Dedicated Servers, Hosting and Co-Location, GB)
Event Details
Detected advertisement: 172.85.107.0/24
Detected Origin ASN 26636 (GBTCLOUD, US)
Detected AS Path 11039 46261 26636
Detected by number of BGPMon peers: 4

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