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77.68.33.97 has a threat confidence score of 99%. This IP address from United Kingdom (AS8560, IONOS SE) has been observed in 7,852 honeypot sessions targeting SIP protocols. First observed on April 27, 2026, most recently active April 28, 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.