Possible BGP hijack

Beginning at 2019-02-08 19:36:22, we detected a possible BGP hijack.

Prefix 196.18.196.0/22, Normally announced by AS174 COGENT-174 - Cogent Communications, US

Starting at 2019-02-08 19:36:22, a more specific route (196.18.198.0/23) was announced by ASN 262287.

This was detected by 20 BGPMon peers.

Expected
Start time: 2019-02-08 19:36:22 UTC
Expected prefix: 196.18.196.0/22
Expected ASN: 174 (COGENT-174 - Cogent Communications, US)
Event Details
Detected advertisement: 196.18.198.0/23
Detected Origin ASN 262287 (Maxihost Hospedagem de Sites Ltda, BR)
Detected AS Path 53235 25933 262287
Detected by number of BGPMon peers: 20

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