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121.41.165.109 has a threat confidence score of 39%. This IP address from China (AS37963, Hangzhou Alibaba Advertising Co.,Ltd.) has been observed in 22 honeypot sessions targeting HTTP, MSSQL, SMTP, MONGODB, SSH and 7 other protocols. First observed on February 1, 2026, most recently active March 20, 2026.
Identifies HTTP GET requests directly targeting the /bad-request path, indicating automated or manual probing of application error-handling routes rather than legitimate navigation flow.