Possible BGP hijack

Beginning at 2020-03-09 16:11:24 UTC, we detected a possible BGP hijack.

Prefix 23.142.80.0/24, is normally announced by AS33657 CMCS, US.

But beginning at 2020-03-09 16:11:24, the same prefix (23.142.80.0/24) was also announced by ASN 41725.

This was detected by 23 BGPMon peers.

Expected
Start time: 2020-03-09 16:11:24 UTC
Expected prefix: 23.142.80.0/24
Expected ASN: 33657 (CMCS, US)
Event Details
Detected advertisement: 23.142.80.0/24
Detected Origin ASN 41725 (LEGACONETWORKS2, NL)
Detected AS Path 8468 6461 208979 46723 41725
Detected by number of BGPMon peers: 23

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