Possible BGP hijack

Beginning at 2017-04-11 05:15:37, we detected a possible BGP hijack.

Prefix 170.66.0.0/16, Normally announced by AS11993 BANCO DO BRASIL S.A.

Starting at 2017-04-11 05:15:37, a more specific route (170.66.11.0/24) was announced by ASN 265144.

This was detected by 58 BGPMon peers.

Expected
Start time: 2017-04-11 05:15:37 UTC
Expected prefix: 170.66.0.0/16
Expected ASN: 11993 (BANCO DO BRASIL S.A.)
Event Details
Detected advertisement: 170.66.11.0/24
Detected Origin ASN 265144 (MCD INFORMATICA E TELECOMUNICACOES LTDA - ME)
Detected AS Path 36225 6939 265144
Detected by number of BGPMon peers: 58

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