Possible BGP hijack

Beginning at 2023-01-11 14:30:58, we detected a possible BGP hijack.

Prefix 204.157.0.0/16, Normally announced by AS174 COGENT-174, US

Starting at 2023-01-11 14:30:58, a more specific route (204.157.236.0/23) was announced by ASN 269704.

This was detected by 72 BGPMon peers.

Expected
Start time: 2023-01-11 14:30:58 UTC
Expected prefix: 204.157.0.0/16
Expected ASN: 174 (COGENT-174, US)
Event Details
Detected advertisement: 204.157.236.0/23
Detected Origin ASN 269704 (G DE OLIVEIRA LIMA SERVICOS DE TELECOMUNICOES, BR)
Detected AS Path 263287 262868 14840 266117 269704 269704 269704
Detected by number of BGPMon peers: 72

Watch the replay of this event

About BGPlay