Possible BGP hijack

Beginning at 2017-04-12 09:12:43, we detected a possible BGP hijack.

Prefix 186.34.0.0/16, Normally announced by AS6535 Telmex Servicios Empresariales S.A.

Starting at 2017-04-12 09:12:43, a more specific route (186.34.56.0/22) was announced by ASN 3356.

This was detected by 172 BGPMon peers.

Expected
Start time: 2017-04-12 09:12:43 UTC
Expected prefix: 186.34.0.0/16
Expected ASN: 6535 (Telmex Servicios Empresariales S.A.)
Event Details
Detected advertisement: 186.34.56.0/22
Detected Origin ASN 3356 (Level 3 Communications, Inc.)
Detected AS Path 8283 3356
Detected by number of BGPMon peers: 172

Watch the replay of this event