Possible BGP hijack

Beginning at 2019-08-15 14:18:41 UTC, we detected a possible BGP hijack.

Prefix, is normally announced by AS12136 NĂșcleo de Inf. e Coord. do Ponto BR - NIC., BR.

But beginning at 2019-08-15 14:18:41, the same prefix ( was also announced by ASN 1921.

This was detected by 8 BGPMon peers.

Start time: 2019-08-15 14:18:41 UTC
Expected prefix:
Expected ASN: 12136 (NĂșcleo de Inf. e Coord. do Ponto BR - NIC., BR)
Event Details
Detected advertisement:
Detected Origin ASN 1921 (NICAT NIC.at head office Salzburg, AT)
Detected AS Path 51514 8455 38001 1921
Detected by number of BGPMon peers: 8

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