Possible BGP hijack

Beginning at 2023-09-04 06:20:01 UTC, we detected a possible BGP hijack.

Prefix 192.231.116.0/24, is normally announced by AS271775 ARLINDO PORATH NETN@R NARANJITO, PY.

But beginning at 2023-09-04 06:20:01, the same prefix (192.231.116.0/24) was also announced by ASN 270735.

This was detected by 4 BGPMon peers.

Expected
Start time: 2023-09-04 06:20:01 UTC
Expected prefix: 192.231.116.0/24
Expected ASN: 271775 (ARLINDO PORATH NETN@R NARANJITO, PY)
Event Details
Detected advertisement: 192.231.116.0/24
Detected Origin ASN 270735 (COMPUTIZE NETWORK TELECOMUNICACOES LTDA, BR)
Detected AS Path 48200 6762 53013 270735 270735
Detected by number of BGPMon peers: 4

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