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195.96.138.80 has a threat confidence score of 96%. This IP address from United Kingdom (AS210924, ssd networks limited) has been observed in 170 honeypot sessions targeting SIP protocols. First observed on February 19, 2026, most recently active February 21, 2026.
Represents an unsolicited SIP INVITE request targeting a long numeric destination, with the request accepted for processing by the SIP server (100 Trying). While the Call-ID format appears consistent with legitimate SIP implementations, the absence of prior registration and the use of a PSTN-style numeric target indicate probing of call routing or gateway behavior rather than normal call setup. This behavior is commonly observed during early-stage toll-fraud reconnaissance or PBX routing validation.