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66.132.224.88 has a threat confidence score of 70%. This IP address from United States has been observed in 78 honeypot sessions targeting IMAP, POSTGRES, HTTPS, HTTP, SMTP and 5 other protocols. First observed on March 22, 2026, most recently active April 1, 2026.
SMTP interaction identified as an internet-wide scanning probe originating from Censys infrastructure. The client announces itself via EHLO www.censys.io and issues a STARTTLS request to verify TLS upgrade support and collect service capability metadata. This pattern reflects automated reconnaissance and exposure mapping rather than direct exploitation, but still represents active external probing of the SMTP service.
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.