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121.43.146.23 has a threat confidence score of 37%. This IP address from China (AS37963, Hangzhou Alibaba Advertising Co.,Ltd.) has been observed in 35 honeypot sessions targeting SIP, HTTPS, HTTP, SSH, RTSP and 3 other protocols. First observed on January 25, 2026, most recently active March 25, 2026.
Identifies HTTP requests targeting the web server root path ("/"), typically used for initial service discovery, host validation, or baseline content inspection prior to deeper enumeration.