Possible BGP hijack

Beginning at 2023-08-29 00:37:25, we detected a possible BGP hijack.

Prefix 2400:6600::/32, Normally announced by AS9812 CNNIC-CN-COLNET Oriental Cable Network Co., Ltd., CN

Starting at 2023-08-29 00:37:25, a more specific route (2400:6600::/48) was announced by ASN 266970.

This was detected by 5 BGPMon peers.

Expected
Start time: 2023-08-29 00:37:25 UTC
Expected prefix: 2400:6600::/32
Expected ASN: 9812 (CNNIC-CN-COLNET Oriental Cable Network Co., Ltd., CN)
Event Details
Detected advertisement: 2400:6600::/48
Detected Origin ASN 266970 ()
Detected AS Path 202365 50673 33891 3356 4230 61678 266970
Detected by number of BGPMon peers: 5

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