Possible BGP hijack

Beginning at 2023-11-21 04:15:31, we detected a possible BGP hijack.

Prefix 2602:fca7:12::/47, Normally announced by AS1024 Unknown

Starting at 2023-11-21 04:15:31, a more specific route (2602:fca7:12::/48) was announced by ASN 16509.

This was detected by 5 BGPMon peers.

Start time: 2023-11-21 04:15:31 UTC
Expected prefix: 2602:fca7:12::/47
Expected ASN: 1024 (Unknown)
Event Details
Detected advertisement: 2602:fca7:12::/48
Detected Origin ASN 16509 (AMAZON-02, US)
Detected AS Path 29396 3257 6453 16509
Detected by number of BGPMon peers: 5

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