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89.190.156.47 has a threat confidence score of 86%. This IP address from The Netherlands (AS49870, Alsycon B.V.) has been observed in 14 honeypot sessions targeting SIP protocols. First observed on April 28, 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.