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106.75.13.182 has a high threat confidence level of 64%, originating from China, on the China Unicom Beijing Province Network network (4808). It has been observed across 128 sessions targeting HTTPS, SMTP, SSH, SIP, FTP and 3 other protocols, First observed on January 22, 2026, most recently active March 5, 2026.
Identifies HTTPS requests targeting the web server root path ("/"), typically used for initial service discovery, host validation, or baseline content inspection prior to deeper enumeration
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.