Possible BGP hijack

Beginning at 2018-09-11 17:51:30 UTC, we detected a possible BGP hijack.

Prefix 139.2.164.0/24, is normally announced by AS15486 Materna GmbH Information and Communications.

But beginning at 2018-09-11 17:51:30, the same prefix (139.2.164.0/24) was also announced by ASN 3356.

This was detected by 47 BGPMon peers.

Expected
Start time: 2018-09-11 17:51:30 UTC
Expected prefix: 139.2.164.0/24
Expected ASN: 15486 (Materna GmbH Information and Communications)
Event Details
Detected advertisement: 139.2.164.0/24
Detected Origin ASN 3356 (Level 3 Parent, LLC)
Detected AS Path 200005 3356
Detected by number of BGPMon peers: 47

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