IP address 45.156.128.54 has been flagged in 395 abuse reports across 17 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, known attacker, malicious, malware c2, malware infrastructure, rdp bruteforce, reconnaissance, reputation low, scanning, ssh brute force, suspicious activity, web attack.
This IP is geolocated in Portugal and belongs to the network Sistemas Informaticos, S.A. (AS211680). Reports span from 2026-05-04 to 2026-07-05.
Assessment: With 395 abuse reports, 45.156.128.54 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.