Possible BGP hijack

Beginning at 2019-11-22 11:14:53 UTC, we detected a possible BGP hijack.

Prefix 80.91.74.0/24, is normally announced by AS174 COGENT-174 - Cogent Communications, US.

But beginning at 2019-11-22 11:14:53, the same prefix (80.91.74.0/24) was also announced by ASN 207923.

This was detected by 58 BGPMon peers.

Expected
Start time: 2019-11-22 11:14:53 UTC
Expected prefix: 80.91.74.0/24
Expected ASN: 174 (COGENT-174 - Cogent Communications, US)
Event Details
Detected advertisement: 80.91.74.0/24
Detected Origin ASN 207923 (AIREON, ES)
Detected AS Path 199981 42739 9002 29119 207923
Detected by number of BGPMon peers: 58

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