Possible BGP hijack

Beginning at 2023-07-27 13:26:21 UTC, we detected a possible BGP hijack.

Prefix 205.0.0.0/24, is normally announced by AS749 DNIC-AS-00749, US.

But beginning at 2023-07-27 13:26:21, the same prefix (205.0.0.0/24) was also announced by ASN 269637.

This was detected by 3 BGPMon peers.

Expected
Start time: 2023-07-27 13:26:21 UTC
Expected prefix: 205.0.0.0/24
Expected ASN: 749 (DNIC-AS-00749, US)
Event Details
Detected advertisement: 205.0.0.0/24
Detected Origin ASN 269637 (INFOLAGOS TELECOMUNICACOES LTDA ME, BR)
Detected AS Path 28300 265066 269637
Detected by number of BGPMon peers: 3

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