Possible BGP hijack

Beginning at 2022-10-26 15:15:34, we detected a possible BGP hijack.

Prefix 154.40.0.0/13, Normally announced by AS174 COGENT-174, US

Starting at 2022-10-26 15:15:34, a more specific route (154.44.161.0/24) was announced by ASN 35478.

This was detected by 73 BGPMon peers.

Expected
Start time: 2022-10-26 15:15:34 UTC
Expected prefix: 154.40.0.0/13
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 154.44.161.0/24
Detected Origin ASN 35478 (DATACENTER, RO)
Detected AS Path 200155 39392 1299 47890 35478
Detected by number of BGPMon peers: 73

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