Possible BGP hijack

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

Prefix 2001:468:1a00::/40, Normally announced by AS4557 SOUTHEAST-TEXAS-GIGAPOP, US

Starting at 2023-08-29 00:37:24, a more specific route (2001:468:1af0::/48) was announced by ASN 266970.

This was detected by 2 BGPMon peers.

Expected
Start time: 2023-08-29 00:37:24 UTC
Expected prefix: 2001:468:1a00::/40
Expected ASN: 4557 (SOUTHEAST-TEXAS-GIGAPOP, US)
Event Details
Detected advertisement: 2001:468:1af0::/48
Detected Origin ASN 266970 ()
Detected AS Path 203507 33891 3356 4230 61678 266970
Detected by number of BGPMon peers: 2

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