Possible BGP hijack

Beginning at 2021-12-10 07:30:39, we detected a possible BGP hijack.

Prefix 154.17.0.0/16, Normally announced by AS174 COGENT-174, US

Starting at 2021-12-10 07:30:39, a more specific route (154.17.180.0/24) was announced by ASN 35758.

This was detected by 58 BGPMon peers.

Expected
Start time: 2021-12-10 07:30:39 UTC
Expected prefix: 154.17.0.0/16
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 154.17.180.0/24
Detected Origin ASN 35758 (HQSERV_COMMUNICATION_SOLUTIONS, IL)
Detected AS Path 37989 56300 132132 4657 8551 35758
Detected by number of BGPMon peers: 58

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