Possible BGP hijack

Beginning at 2022-01-18 12:12:56 UTC, we detected a possible BGP hijack.

Prefix 190.12.134.0/24, is normally announced by AS271269 Mais Net Solucoes em Telecomunicacoes, BR.

But beginning at 2022-01-18 12:12:56, the same prefix (190.12.134.0/24) was also announced by ASN 61758.

This was detected by 110 BGPMon peers.

Expected
Start time: 2022-01-18 12:12:56 UTC
Expected prefix: 190.12.134.0/24
Expected ASN: 271269 (Mais Net Solucoes em Telecomunicacoes, BR)
Event Details
Detected advertisement: 190.12.134.0/24
Detected Origin ASN 61758 (TOP NET SERVICOS LTDA, BR)
Detected AS Path 6643 6453 12956 52873 61758
Detected by number of BGPMon peers: 110

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