IP address 81.42.225.40 has been flagged in 112 abuse reports across 8 independent threat intelligence sources, resulting in a threat score of 100.0/100 (critical risk). The primary activity associated with this IP is abuseipdb blacklist, along with aggregated threat, email abuse, malware c2, malware infrastructure, reconnaissance, reputation low, scanning, ssh bruteforce, suspicious activity, unknown.
This IP is geolocated in Spain (Madrid) and belongs to the network Telefonica De Espana S.a.u. (AS3352). Reports span from 2025-03-24 to 2026-04-17.
Assessment: With 112 abuse reports, 81.42.225.40 shows persistent malicious activity that has been flagged by multiple threat intelligence feeds. The IP has been observed conducting automated SSH login attempts against internet-facing servers, a technique commonly used to gain unauthorized access to systems.