Possible BGP hijack

Beginning at 2018-06-13 17:36:28 UTC, we detected a possible BGP hijack.

Prefix 185.122.146.0/24, is normally announced by AS203828 Dss Operator Spolka Akcyjna.

But beginning at 2018-06-13 17:36:28, the same prefix (185.122.146.0/24) was also announced by ASN 3.

This was detected by 179 BGPMon peers.

Expected
Start time: 2018-06-13 17:36:28 UTC
Expected prefix: 185.122.146.0/24
Expected ASN: 203828 (Dss Operator Spolka Akcyjna)
Event Details
Detected advertisement: 185.122.146.0/24
Detected Origin ASN 3 (Massachusetts Institute of Technology)
Detected AS Path 50300 174 49743 43888 3
Detected by number of BGPMon peers: 179

Watch the replay of this event