51.195.215.15📋 Copy

# THREAT INTELLIGENCE BRIEFING

Target IP: 51.195.215.15/32

Classification: Cloud Hosting Infrastructure (Moderate Risk)

Date: 2026-06-17

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## EXECUTIVE SUMMARY

IP address 51.195.215.15 is a cloud compute instance hosted by OVH in London, England. The IP shows moderate risk (score: 40) with evidence of DNSBL listing and operates within a high-abuse density subnet. While the endpoint itself shows no active malicious indicators, the subnet context warrants defensive consideration.

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## OWNERSHIP & GEOLOCATION

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## RISK ASSESSMENT

Overall Risk Score: 40 (Moderate Risk)

Risk Indicators:

• DNSBL listed on 1 of 8 threat lists
• Operator score: 0.2174 (Minimal)
• No known attacker patterns, spam sources, or Tor exit node activity
• No open ports detected; service classification: "Firewalled / No Services"

Subnet Context (51.195.215.0/24):

• Abuse density: 0.7305 (high_abuse classification)
• 187 threat siblings identified out of 256 total IPs
• Inherited risk: 29
• Neighborhood risk distribution: 98 medium-risk, 2 low-risk, 0 high-risk (sample of 100)

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## OBSERVATION HISTORY

Recent signal observations (2026-06-15 to 2026-06-17) show:

• Consistent cloud/hosting classification
• Stable operator score (0.2174)
• No significant changes in threat profile
• 1 threat observation recorded
• Not persistently malicious

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## RELATIONSHIP MAPPING

• Network: OVH_282347345 (same network)
• BGP Prefix: 51.195.0.0/16
• Route Stability: Unstable (isRouteStable: false)
• Route Changes (30d): 0

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## RECOMMENDED ACTIONS

Risk Level: Monitor / Block Based on Policy

Firewall Rules:

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## ANALYST NOTES

This IP operates within a high-abuse density subnet. While the endpoint itself shows no active malicious behavior, the subnet context (187 threat siblings) suggests potential for abuse. Consider subnet-level monitoring or broader blocking policies if organizational security posture requires. The IP is associated with Ahrefs infrastructure but shows DNSBL listing, indicating prior abuse or reputation issues.

Confidence Level: High

Threat Likelihood: Low (no active indicators)

Recommended Action: Block with monitoring, or allow with logging if business context supports.

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