Possible BGP hijack

Beginning at 2023-08-18 23:13:43, we detected a possible BGP hijack.

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

Starting at 2023-08-18 23:13:43, a more specific route (172.10.1.0/24) was announced by ASN 25308.

This was detected by 6 BGPMon peers.

Expected
Start time: 2023-08-18 23:13:43 UTC
Expected prefix: 172.0.0.0/12
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 172.10.1.0/24
Detected Origin ASN 25308 (CITYLAN-AS, RU)
Detected AS Path 49673 25308
Detected by number of BGPMon peers: 6

Watch the replay of this event

About BGPlay