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159.223.30.11 has a threat confidence score of 63%. This IP address from Germany (AS14061, DigitalOcean, LLC) has been observed in 6 honeypot sessions targeting SIP protocols. First observed on May 4, 2026, most recently active May 4, 2026.
SIP request using sip:nm as the Request-URI, a malformed or placeholder target commonly observed in SIP scanning and fuzzing activity rather than legitimate client behavior.