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121.199.173.216 has a threat confidence score of 43%. This IP address from China (AS37963, Hangzhou Alibaba Advertising Co.,Ltd.) has been observed in 28 honeypot sessions targeting HTTPS, SIP, HTTP, FTP, SMB and 4 other protocols. First observed on February 28, 2026, most recently active March 23, 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.