Possible BGP hijack

Beginning at 2017-03-06 18:09:28, we detected a possible BGP hijack.

Prefix, Normally announced by AS207173 Northrop Grumman UK Limited

Starting at 2017-03-06 18:09:28, a more specific route ( was announced by ASN 3549.

This was detected by 166 BGPMon peers.

Start time: 2017-03-06 18:09:28 UTC
Expected prefix:
Expected ASN: 207173 (Northrop Grumman UK Limited)
Event Details
Detected advertisement:
Detected Origin ASN 3549 (Level 3 Communications, Inc.)
Detected AS Path 12859 286 3356 3549
Detected by number of BGPMon peers: 166

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