Possible BGP hijack

Beginning at 2019-02-02 07:26:24 UTC, we detected a possible BGP hijack.

Prefix 170.80.188.0/24, is normally announced by AS266390 Tajo Tecnologia Ltda, BR.

But beginning at 2019-02-02 07:26:24, the same prefix (170.80.188.0/24) was also announced by ASN 174.

This was detected by 159 BGPMon peers.

Expected
Start time: 2019-02-02 07:26:24 UTC
Expected prefix: 170.80.188.0/24
Expected ASN: 266390 (Tajo Tecnologia Ltda, BR)
Event Details
Detected advertisement: 170.80.188.0/24
Detected Origin ASN 174 (COGENT-174 - Cogent Communications, US)
Detected AS Path 14442 174
Detected by number of BGPMon peers: 159

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