Possible BGP hijack

Beginning at 2023-05-11 00:57:58 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS174 COGENT-174, US.

But beginning at 2023-05-11 00:57:58, the same prefix ( was also announced by ASN 270868.

This was detected by 45 BGPMon peers.

Start time: 2023-05-11 00:57:58 UTC
Expected prefix:
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement:
Detected Origin ASN 270868 (IP TELECOM E SISTEMAS LTDA, BR)
Detected AS Path 63956 6762 1299 52320 52468 270868
Detected by number of BGPMon peers: 45

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