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43.99.78.185 has a threat confidence score of 51%. This IP address from Hong Kong (AS45102, Alibaba US Technology Co., Ltd.) has been observed in 17 honeypot sessions targeting SIP, SMB, SSH, HTTP, RTSP and 6 other protocols. First observed on March 14, 2026, most recently active March 27, 2026.
Client sends RTSP OPTIONS requests to check supported methods and confirm that an RTSP service is exposed, then disconnects without attempting authentication or stream setup. This pattern is typically associated with automated reconnaissance or internet-wide scanning rather than active stream access.
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.