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87.106.223.228 has a threat confidence score of 97%. This IP address from Germany (AS8560, IONOS SE) has been observed in 493 honeypot sessions targeting SIP protocols. First observed on May 1, 2026, most recently active May 2, 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.