Possible BGP hijack

Beginning at 2020-04-23 01:31:13, we detected a possible BGP hijack.

Prefix 154.24.0.0/13, Normally announced by AS174 COGENT-174, US

Starting at 2020-04-23 01:31:13, a more specific route (154.30.154.0/23) was announced by ASN 54903.

This was detected by 9 BGPMon peers.

Expected
Start time: 2020-04-23 01:31:13 UTC
Expected prefix: 154.24.0.0/13
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 154.30.154.0/23
Detected Origin ASN 54903 (GLOBALROUTE, US)
Detected AS Path 19704 13536 32217 54903
Detected by number of BGPMon peers: 9

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