Possible BGP hijack

Beginning at 2019-11-05 20:32:06 UTC, we detected a possible BGP hijack.

Prefix 185.215.57.0/24, is normally announced by AS205519 DE-DAMOVO, DE.

But beginning at 2019-11-05 20:32:06, the same prefix (185.215.57.0/24) was also announced by ASN 3356.

This was detected by 154 BGPMon peers.

Expected
Start time: 2019-11-05 20:32:06 UTC
Expected prefix: 185.215.57.0/24
Expected ASN: 205519 (DE-DAMOVO, DE)
Event Details
Detected advertisement: 185.215.57.0/24
Detected Origin ASN 3356 (LEVEL3 - Level 3 Parent, LLC, US)
Detected AS Path 27553 3356
Detected by number of BGPMon peers: 154

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