Possible BGP hijack

Beginning at 2021-11-12 11:55:45 UTC, we detected a possible BGP hijack.

Prefix 149.235.241.0/24, is normally announced by AS3257 GTT-BACKBONE GTT, US.

But beginning at 2021-11-12 11:55:45, the same prefix (149.235.241.0/24) was also announced by ASN 16751.

This was detected by 26 BGPMon peers.

Expected
Start time: 2021-11-12 11:55:45 UTC
Expected prefix: 149.235.241.0/24
Expected ASN: 3257 (GTT-BACKBONE GTT, US)
Event Details
Detected advertisement: 149.235.241.0/24
Detected Origin ASN 16751 (OPENTEXT-NA-CA-1, CA)
Detected AS Path 14866 6939 8220 16751 16751 16751
Detected by number of BGPMon peers: 26

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