IP address 81.133.252.101 has been flagged in 436 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, botnet, brute force, malware c2, malware infrastructure, reconnaissance, reputation low, scanning, suspicious activity, web attack, web brute force.
This IP is geolocated in United Kingdom (Mill Hill) and belongs to the network British Telecommunications Limited (AS2856). Reports span from 2026-05-04 to 2026-07-26.
Assessment: With 436 abuse reports, 81.133.252.101 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.