Possible BGP hijack

Beginning at 2020-09-02 20:26:08, we detected a possible BGP hijack.

Prefix 172.0.0.0/12, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2020-09-02 20:26:08, a more specific route (172.0.10.0/23) was announced by ASN 270088.

This was detected by 97 BGPMon peers.

Expected
Start time: 2020-09-02 20:26:08 UTC
Expected prefix: 172.0.0.0/12
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 172.0.10.0/23
Detected Origin ASN 270088 (GUAJIRANET ISP S.A.S., CO)
Detected AS Path 61102 8551 6461 52320 263798 52468 270088
Detected by number of BGPMon peers: 97

Watch the replay of this event

About BGPlay