Possible BGP hijack

Beginning at 2023-08-29 00:37:24 UTC, we detected a possible BGP hijack.

Prefix 2001:468:cc0::/48, is normally announced by AS3140 TJHSST-AS, US.

But beginning at 2023-08-29 00:37:24, the same prefix (2001:468:cc0::/48) was also announced by ASN 266970.

This was detected by 4 BGPMon peers.

Start time: 2023-08-29 00:37:24 UTC
Expected prefix: 2001:468:cc0::/48
Expected ASN: 3140 (TJHSST-AS, US)
Event Details
Detected advertisement: 2001:468:cc0::/48
Detected Origin ASN 266970 ()
Detected AS Path 203507 33891 3356 4230 61678 266970
Detected by number of BGPMon peers: 4

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