Possible BGP hijack

Beginning at 2023-08-24 23:01:33 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS16509 AMAZON-02, US.

But beginning at 2023-08-24 23:01:33, the same prefix ( was also announced by ASN 43727.

This was detected by 5 BGPMon peers.

Start time: 2023-08-24 23:01:33 UTC
Expected prefix:
Expected ASN: 16509 (AMAZON-02, US)
Event Details
Detected advertisement:
Detected Origin ASN 43727 (KVANT-TELECOM, RU)
Detected AS Path 63956 3491 58453 209141 43727
Detected by number of BGPMon peers: 5

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