Critical Threat
196.251.116.196 is a critical-risk IP address that automated honeypot sensors and 20 distinct community sources have flagged with a 10/10 threat level, grounded in 1317 abuse reports spanning August 2025. The dominant threat profile consists of SSH brute-force intrusion attempts and general hacking activity, indicating a persistent automated attacker operating from Netherlands-based network AS401116 under operator NYBULA.
The concentrated report volume of 1317 abuse reports over a single month establishes a clear pattern of sustained, high-intensity malicious activity rather than opportunistic scanning. Both automated honeypot detections and community reports converge on identical threat categories, with both sources identifying SSH targeted attacks as the primary vector. Geographic placement in the Netherlands and the AS401116 allocation to network operator NYBULA provide context for the IP's network infrastructure, while the 59% confidence score reflects the inherent challenge in attributing automated scanning infrastructure to specific threat actors without additional forensic data.
SSH brute-force attacks pose a direct pathway to complete server compromise when targeted at exposed daemons with weak authentication configurations. Automated tooling systematically cycles through credential combinations against port 22, exploiting default or predictable passwords to gain shell access. Successful authentication grants the attacker persistent command execution capability, enabling data theft, lateral movement through internal networks, cryptomining deployment, or use of the compromised host as a pivot point for further attacks.
Site operators should immediately block this IP at the network perimeter firewall and implement key-based authentication exclusively while disabling password-based SSH access entirely. Deploying fail2ban or equivalent intrusion prevention tools will automatically throttle repeated authentication failures originating from flagged addresses. Changing the default SSH listening port, disabling root login, and enforcing account lockout thresholds provide layered defense-in-depth against automated credential stuffing campaigns of this nature.