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91.231.89.3 has a moderate threat confidence level of 59%, originating from Gravelines, France, on the ONYPHE SAS network (213412). It has been observed across 34 sessions targeting SIP, DOCKER, TELNET, SSH, HTTP and 7 other protocols, First observed on January 21, 2026, most recently active March 5, 2026.
Client repeatedly sends GET requests to the /bad-request Docker API endpoint, indicating malformed or incompatible traffic against the Docker daemon. This pattern is typically associated with generic internet scanning or tools attempting HTTP interaction without speaking the proper Docker API protocol.
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.
FTP session where the client issues AUTH TLS to upgrade the connection to TLS and then terminates the session with QUIT without performing further commands. This reflects minimal interaction limited to encryption negotiation and immediate disconnect, commonly observed in capability testing or automated probing.