Possible BGP hijack

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

Prefix 200.229.248.0/24, 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 (200.229.248.0/24) was also announced by ASN 1921.

This was detected by 8 BGPMon peers.

Expected
Start time: 2019-08-15 14:18:41 UTC
Expected prefix: 200.229.248.0/24
Expected ASN: 12136 (NĂșcleo de Inf. e Coord. do Ponto BR - NIC., BR)
Event Details
Detected advertisement: 200.229.248.0/24
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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