Possible BGP hijack

Beginning at 2021-03-10 21:23:10 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS2500 WIDE-BB WIDE Project, JP.

But beginning at 2021-03-10 21:23:10, the same prefix ( was also announced by ASN 6500.

This was detected by 3 BGPMon peers.

Start time: 2021-03-10 21:23:10 UTC
Expected prefix:
Expected ASN: 2500 (WIDE-BB WIDE Project, JP)
Event Details
Detected advertisement:
Detected Origin ASN 6500 (NEXUS-22-6500, US)
Detected AS Path 267170 28140 3356 35320 196939 6500
Detected by number of BGPMon peers: 3

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