Looking up IP
Check an IP Address, Domain Name, Subnet, or ASN
181.23.121.145 has a threat confidence score of 90%. This IP address from Argentina (AS22927, Telefonica de Argentina) has been observed in 12 honeypot sessions targeting SSH protocols. Detected attack patterns include ssh authorized keys persistence established. First observed on March 26, 2026, most recently active March 28, 2026.
Removal of filesystem attribute protections from the user’s .ssh directory followed by deletion and recreation of the directory and insertion of a new public key into authorized_keys. This pattern reflects deliberate modification of SSH trust configuration to establish persistent key-based access.