IP address 81.111.223.51 has been flagged in 774 abuse reports across 15 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, attacks, brute force, email abuse, known attacker, known malicious, malware c2, malware infrastructure, reconnaissance, reputation low, spam, suspicious activity, unknown.
This IP is geolocated in United Kingdom (Oxford) and belongs to the network Virgin Media (AS5089). Reports span from 2026-05-04 to 2026-09-20.
Assessment: With 774 abuse reports, 81.111.223.51 shows persistent malicious activity that has been flagged by multiple threat intelligence feeds. The activity pattern and multi-source corroboration indicate this is a genuine threat that warrants immediate blocking at the firewall level.