Possible BGP hijack

Beginning at 2023-10-11 16:17:09 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS265113 Sales Telecom e Informatica, BR.

But beginning at 2023-10-11 16:17:09, the same prefix ( was also announced by ASN 4270.

This was detected by 4 BGPMon peers.

Start time: 2023-10-11 16:17:09 UTC
Expected prefix:
Expected ASN: 265113 (Sales Telecom e Informatica, BR)
Event Details
Detected advertisement:
Detected Origin ASN 4270 (Red de Interconexion Universitaria, AR)
Detected AS Path 4270
Detected by number of BGPMon peers: 4

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