Possible BGP hijack

Beginning at 2021-10-09 17:41:43 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS9466 UUNET-JP-AP UUNET Japan Limited, JP.

But beginning at 2021-10-09 17:41:43, the same prefix ( was also announced by ASN 2687.

This was detected by 117 BGPMon peers.

Start time: 2021-10-09 17:41:43 UTC
Expected prefix:
Expected ASN: 9466 (UUNET-JP-AP UUNET Japan Limited, JP)
Event Details
Detected advertisement:
Detected Origin ASN 2687 (ATGS-MMD-AS, US)
Detected AS Path 394256 174 7018 2687
Detected by number of BGPMon peers: 117

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