Possible BGP hijack

Beginning at 2023-03-09 01:37:22 UTC, we detected a possible BGP hijack.

Prefix 170.245.131.0/24, is normally announced by AS266016 UniFibra Telecomunicacoes, BR.

But beginning at 2023-03-09 01:37:22, the same prefix (170.245.131.0/24) was also announced by ASN 272445.

This was detected by 61 BGPMon peers.

Expected
Start time: 2023-03-09 01:37:22 UTC
Expected prefix: 170.245.131.0/24
Expected ASN: 266016 (UniFibra Telecomunicacoes, BR)
Event Details
Detected advertisement: 170.245.131.0/24
Detected Origin ASN 272445 ()
Detected AS Path 63774 9607 7671 2914 3356 263998 272445
Detected by number of BGPMon peers: 61

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