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121.29.149.224 has a threat confidence score of 43%. This IP address from China (AS4837, CHINA UNICOM China169 Backbone) has been observed in 3 honeypot sessions targeting HTTPS, SIP protocols. First observed on March 1, 2026, most recently active May 1, 2026.
SIP request using sip:nm as the Request-URI, a malformed or placeholder target commonly observed in SIP scanning and fuzzing activity rather than legitimate client behavior.
Identifies HTTPS requests targeting the web server root path ("/"), typically used for initial service discovery, host validation, or baseline content inspection prior to deeper enumeration