IP address 45.191.91.81 has been flagged in 597 abuse reports across 16 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, malware c2, malware infrastructure, reconnaissance, reputation low, spam, suspicious activity, unknown, web attack, web brute force.
This IP is geolocated in Paraguay (Salto del Guaira) and belongs to the network FRANCISCO VILLALBA SANTACRUZ (PLUS.NET) (AS269887). Reports span from 2026-05-01 to 2026-07-29.
Assessment: With 597 abuse reports, 45.191.91.81 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.