51.161.37.145📋 Copy

IP Intelligence Briefing: 51.161.37.145

Date: 2026-06-10

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**1. Threat Assessment**

• Risk Score: Moderate (40/100)
• Threat Indicators: No direct malicious activity detected (no malware, phishing, or C2 indicators).
• Network Role: CloudCompute hosting (OVH infrastructure).
• Geolocation: Montreal, Canada (CA). GeoPlausibility: False (RTT anomalies suggest potential spoofing or misconfiguration).

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**2. Ownership & Network Context**

• ISP/Provider: OVH (ASN 16276), Ahrefs Pte Ltd.
• Subnet: 51.161.37.0/24.
• Subnet Abuse Density: 63.28% (high abuse classification).
• Neighbor Risk: 97/100 IPs in the subnet have medium/high risk scores.

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**3. Recent Observations (Last 24h)**

• Network Classification: Hosted by OVH, no CDN/VPN/Proxy flags.
• DNS: Linked to `proxy-ca005-san145.ahrefs.net` (Ahrefs infrastructure).
• Open Ports: No active services or banners detected.
• TLS/Certificates: No SSL/TLS certificates found.

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**4. Subnet & Neighboring IPs**

• Subnet Risk: High abuse density (63.28%).
• Active Neighbors: 180 IPs in the /24 subnet.
• Threat Siblings: 162 IPs in the subnet are flagged as risky.
• Notable Neighbors:

- 51.161.37.0 (risk score 50),

- 51.161.37.1 (risk score 40).

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**5. Recommendations**

• Monitor Subnet: High abuse density suggests potential for lateral movement or compromised hosts.
• Verify Geolocation: Investigate geoPlausibility discrepancy (RTT mismatch for distance).
• Block Subnet: Consider blocking the entire 51.161.37.0/24 subnet if threat activity escalates.
• Check DNS: Validate Ahrefs' DNS associations for unusual traffic patterns.

Note: No direct threat to this IP, but its subnet environment warrants closer scrutiny.

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*Generated by IPDebrief threat intelligence platform.*

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.