Possible BGP hijack

Beginning at 2019-02-25 12:48:57, we detected a possible BGP hijack.

Prefix 154.48.0.0/12, Normally announced by AS174 COGENT-174 - Cogent Communications, US

Starting at 2019-02-25 12:48:57, a more specific route (154.57.192.0/19) was announced by ASN 42003.

This was detected by 2 BGPMon peers.

Expected
Start time: 2019-02-25 12:48:57 UTC
Expected prefix: 154.48.0.0/12
Expected ASN: 174 (COGENT-174 - Cogent Communications, US)
Event Details
Detected advertisement: 154.57.192.0/19
Detected Origin ASN 42003 (OGERONET OGERO Telecom, LB)
Detected AS Path 28824 16186 1299 5511 42020 42003
Detected by number of BGPMon peers: 2

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