Severe Risk
IP 94.154.35.215 is a critical-risk address identified as a persistent SSH brute-force attack source, generating 5,590 incident reports between January and June 2026 with a threat-level score of 10 out of 10. Operating from the Netherlands via ASN AS214943 under the management of Railnet LLC, this IP has been flagged by 20 independent automated honeypot sensors, reflecting both the scale of its malicious activity and the high confidence score of 91 percent assigned to these detections.
The detection data reveals a clear and concentrated attack pattern focused on SSH services. Of the recent incident reports, 18 categorise the activity as SSH-based attacks, while 20 reports document general hacking attempts. Notably, 2 recent reports classified this IP as an exploited host, suggesting that the address itself may belong to a compromised system being weaponised by threat actors without the owner's knowledge. The sustained six-month reporting window and an activity frequency rating of 8 out of 10 indicate that this is not a transient or opportunistic actor but rather a consistently active attack platform engaged in credential-guessing campaigns against exposed SSH servers.
SSH brute-force attacks represent a direct and severe threat to any internet-facing server running the SSH protocol. Attackers systematically attempt combinations of usernames and weak or commonly used passwords to gain unauthorised shell access. Successful authentication grants attackers persistent remote access, enabling data exfiltration, malware deployment, lateral movement through internal networks, and the establishment of botnet participation. The alert signatures observed demonstrate that this IP is actively conducting these credential attacks in an organised manner, placing any exposed SSH service at immediate risk of compromise.
Operators with SSH services accessible from the internet should block 94.154.35.215 immediately at the network perimeter and implement defensive measures such as key-based authentication, non-default SSH ports, and automated blocking tools like fail2ban to prevent similar attacks. Enabling intrusion detection systems, enforcing strong password policies, and disabling root login further reduce exposure. Given the exploited host classification, organisations may also consider notifying the hosting provider or system owner if this activity originates from their infrastructure, as the source system itself may require remediation.
US 
BG 
HK 
UA