Possible BGP hijack

Beginning at 2017-04-19 16:02:36 UTC, we detected a possible BGP hijack.

Prefix 185.86.248.0/22, is normally announced by AS39447 Zertia Telecomunicaciones S.l..

But beginning at 2017-04-19 16:02:36, the same prefix (185.86.248.0/22) was also announced by ASN 3356.

This was detected by 130 BGPMon peers.

Expected
Start time: 2017-04-19 16:02:36 UTC
Expected prefix: 185.86.248.0/22
Expected ASN: 39447 (Zertia Telecomunicaciones S.l.)
Event Details
Detected advertisement: 185.86.248.0/22
Detected Origin ASN 3356 (Level 3 Communications, Inc.)
Detected AS Path 26320 14866 6939 3356
Detected by number of BGPMon peers: 130

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