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172.110.223.77 has a threat confidence score of 60%. This IP address from Hong Kong (AS23470, ReliableSite.Net LLC) has been observed in 121 honeypot sessions targeting SIP protocols. First observed on February 16, 2026, most recently active March 6, 2026.
Identifies SIP scanning or probing activity where an attacker sends INVITE requests directly to a target IP address using randomly generated Call-ID tokens. This pattern is commonly associated with VoIP reconnaissance, SIP endpoint discovery, and automated dialer or PBX attack tooling attempting to enumerate reachable SIP services.