Liso · Network

Attacks observed on Cogent Communications, LLC (AS174)

Liso attack observations affecting AS174 Cogent Communications, LLC: targeted prefixes, attack methods, destination ports, and timing over the last 30 days.

13 observations · Last 30 days · Latest observation 2026-11-04 00:49:47 UTC

Most affected countries

Brazil12
United States1

Most observed methods

Raw TCP ACK12
Large UDP datagrams1

Recent observations

2026-11-04 00:49:47 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-04 00:35:07 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 23:07:02 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 22:52:22 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 22:37:41 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 22:23:00 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 22:08:20 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 21:53:39 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 21:38:58 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 21:24:17 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 21:09:37 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-11-03 20:54:56 UTCRaw TCP ACK38.224.136.0/23TCP/RANDOM15sBrazil
2026-10-30 20:21:53 UTCLarge UDP datagrams154.26.239.27/32UDP/801mUnited States

botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.