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45.128.199.34 has a threat confidence score of 68%. This IP address from The Netherlands (AS62240, Clouvider Limited) has been observed in 957 honeypot sessions targeting RDP, SIP protocols. First observed on February 18, 2026, most recently active April 25, 2026.
Represents automated SIP reconnaissance activity characterized by multiple unauthenticated SIP methods (such as REGISTER and INVITE) issued using bot-like Call-ID formats. This behavior indicates an attempt to enumerate valid SIP users, extensions, or call routing behavior by systematically probing a SIP service without establishing legitimate registration or dialog context. The use of a numeric-only, hyphen-delimited Call-ID format across different SIP methods strongly suggests an automated scanner or fraud bot rather than a legitimate user agent.