Possible BGP hijack

Beginning at 2017-03-23 14:25:53, we detected a possible BGP hijack.

Prefix 170.84.86.0/23, Normally announced by AS264996 L MARTINS DE OLIVEIRA - ME

Starting at 2017-03-23 14:25:53, a more specific route (170.84.87.0/24) was announced by ASN 53189.

This was detected by 5 BGPMon peers.

Expected
Start time: 2017-03-23 14:25:53 UTC
Expected prefix: 170.84.86.0/23
Expected ASN: 264996 (L MARTINS DE OLIVEIRA - ME)
Event Details
Detected advertisement: 170.84.87.0/24
Detected Origin ASN 53189 (Toque Telecom Ltda)
Detected AS Path 262485 263164 18881 53189
Detected by number of BGPMon peers: 5

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