Possible BGP hijack

Beginning at 2018-11-21 11:12:07, we detected a possible BGP hijack.

Prefix 154.48.0.0/12, Normally announced by AS174 Cogent Communications

Starting at 2018-11-21 11:12:07, a more specific route (154.59.42.0/24) was announced by ASN 135376.

This was detected by 78 BGPMon peers.

Expected
Start time: 2018-11-21 11:12:07 UTC
Expected prefix: 154.48.0.0/12
Expected ASN: 174 (Cogent Communications)
Event Details
Detected advertisement: 154.59.42.0/24
Detected Origin ASN 135376 (Connect Telecom ISP Afghanistan)
Detected AS Path 8422 20485 29049 49666 131284 135376
Detected by number of BGPMon peers: 78

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