Possible BGP hijack

Beginning at 2019-04-09 14:34:01, we detected a possible BGP hijack.

Prefix 185.254.28.0/22, Normally announced by AS174 COGENT-174 - Cogent Communications, US

Starting at 2019-04-09 14:34:01, a more specific route (185.254.31.0/24) was announced by ASN 60721.

This was detected by 184 BGPMon peers.

Expected
Start time: 2019-04-09 14:34:01 UTC
Expected prefix: 185.254.28.0/22
Expected ASN: 174 (COGENT-174 - Cogent Communications, US)
Event Details
Detected advertisement: 185.254.31.0/24
Detected Origin ASN 60721 (BURSABIL, TR)
Detected AS Path 28824 16186 1299 9121 9121 43260 60721
Detected by number of BGPMon peers: 184

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