Possible BGP hijack

Beginning at 2023-07-30 16:49:13, we detected a possible BGP hijack.

Prefix 2a03:5240::/32, Normally announced by AS199599 CIREX, RU

Starting at 2023-07-30 16:49:13, a more specific route (2a03:5240:f148::/48) was announced by ASN 14618.

This was detected by 10 BGPMon peers.

Start time: 2023-07-30 16:49:13 UTC
Expected prefix: 2a03:5240::/32
Expected ASN: 199599 (CIREX, RU)
Event Details
Detected advertisement: 2a03:5240:f148::/48
Detected Origin ASN 14618 (AMAZON-AES, US)
Detected AS Path 36692 3356 16509 14618
Detected by number of BGPMon peers: 10

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