Looking up IP
Check an IP Address, Domain Name, Subnet, or ASN
203.55.221.42 has a threat confidence score of 75%. This IP address from China (AS139220, Sichuan Chuanxn IDC) has been observed in 11 honeypot sessions targeting SSH protocols. Detected attack patterns include ssh authorized keys persistence established. First observed on January 28, 2026, most recently active April 19, 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.