Possible BGP hijack

Beginning at 2019-10-18 23:42:37, we detected a possible BGP hijack.

Prefix 38.0.0.0/8, Normally announced by AS174 COGENT-174 - Cogent Communications, US

Starting at 2019-10-18 23:42:37, a more specific route (38.146.196.0/22) was announced by ASN 265264.

This was detected by 3 BGPMon peers.

Expected
Start time: 2019-10-18 23:42:37 UTC
Expected prefix: 38.0.0.0/8
Expected ASN: 174 (COGENT-174 - Cogent Communications, US)
Event Details
Detected advertisement: 38.146.196.0/22
Detected Origin ASN 265264 (ALHAMBRA EIDOS DO BRASIL SERVICOS E SISTEMAS DE CO, BR)
Detected AS Path 29396 3549 265264
Detected by number of BGPMon peers: 3

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