Possible BGP hijack

Beginning at 2017-12-06 20:22:21 UTC, we detected a possible BGP hijack.

Prefix 91.239.185.0/24, is normally announced by AS198881 Implix sp. z o.o..

But beginning at 2017-12-06 20:22:21, the same prefix (91.239.185.0/24) was also announced by ASN 3549.

This was detected by 24 BGPMon peers.

Expected
Start time: 2017-12-06 20:22:21 UTC
Expected prefix: 91.239.185.0/24
Expected ASN: 198881 (Implix sp. z o.o.)
Event Details
Detected advertisement: 91.239.185.0/24
Detected Origin ASN 3549 (Level 3 Communications, Inc.)
Detected AS Path 63937 2764 7545 6453 3549
Detected by number of BGPMon peers: 24

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