Possible BGP hijack

Beginning at 2020-12-29 13:50:03 UTC, we detected a possible BGP hijack.

Prefix 177.39.238.0/24, is normally announced by AS52797 Unknown.

But beginning at 2020-12-29 13:50:03, the same prefix (177.39.238.0/24) was also announced by ASN 55002.

This was detected by 91 BGPMon peers.

Expected
Start time: 2020-12-29 13:50:03 UTC
Expected prefix: 177.39.238.0/24
Expected ASN: 52797 (Unknown)
Event Details
Detected advertisement: 177.39.238.0/24
Detected Origin ASN 55002 (DEFENSE-NET, US)
Detected AS Path 131477 54574 2914 55002
Detected by number of BGPMon peers: 91

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