Possible BGP hijack

Beginning at 2023-03-27 18:37:16 UTC, we detected a possible BGP hijack.

Prefix 104.251.81.0/24, is normally announced by AS11325 AS11325, US.

But beginning at 2023-03-27 18:37:16, the same prefix (104.251.81.0/24) was also announced by ASN 26636.

This was detected by 4 BGPMon peers.

Expected
Start time: 2023-03-27 18:37:16 UTC
Expected prefix: 104.251.81.0/24
Expected ASN: 11325 (AS11325, US)
Event Details
Detected advertisement: 104.251.81.0/24
Detected Origin ASN 26636 (GBTCLOUD, US)
Detected AS Path 49134 53356 6939 46261 26636
Detected by number of BGPMon peers: 4

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