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91.231.89.183 has a threat confidence score of 61%. This IP address from France (AS213412, ONYPHE SAS) has been observed in 74 honeypot sessions targeting SMTP, SIP, FTP, HTTP, REDIS and 11 other protocols. First observed on January 22, 2026, most recently active March 21, 2026.
Automated SMTP interaction performing a minimal capability check by issuing EHLO followed by a STARTTLS upgrade request and immediately terminating the session. This pattern is commonly associated with internet-wide scanners, security research crawlers, or opportunistic bots verifying whether an SMTP service supports encrypted communication. The absence of authentication attempts or message submission indicates reconnaissance or service fingerprinting rather than active abuse.
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.