Possible BGP hijack

Beginning at 2023-08-29 00:23:19 UTC, we detected a possible BGP hijack.

Prefix 2001:2f8::/32, is normally announced by AS2907 SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP.

But beginning at 2023-08-29 00:23:19, the same prefix (2001:2f8::/32) was also announced by ASN 266970.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-08-29 00:23:19 UTC
Expected prefix: 2001:2f8::/32
Expected ASN: 2907 (SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP)
Event Details
Detected advertisement: 2001:2f8::/32
Detected Origin ASN 266970 ()
Detected AS Path 203507 33891 3356 4230 61678 266970
Detected by number of BGPMon peers: 2

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