51.195.215.47📋 Copy

# Intelligence Briefing: IP 51.195.215.47/32

Classification: Moderate Risk | Status: Monitored | Date: Analysis Complete

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## Executive Summary

IP 51.195.215.47 is a cloud-hosted infrastructure address registered to Ahrefs Pte Ltd Dmytro, operating within OVH's London datacenter (AS16276). The IP carries a moderate risk score of 50 and is currently firewalled with no active services. While the IP itself shows limited direct threat indicators, the /24 subnet demonstrates elevated activity with mixed classification and 102 threat-sibling IPs identified.

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## Network Profile

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## Threat Assessment

Current Indicators

• Reputation: Moderate Risk (50/100)
• Known Attacker: False
• Tor Exit Node: False
• Known Campaign: None detected
• Abuse Confidence: Not applicable (no active services)

Network Context

The IP resides within the 51.195.215.0/24 subnet, which shows:

• Abuse Density: 0.3984 (elevated)
• Classification: Mixed
• Total Siblings: 256 IPs
• Active Siblings: 240
• Threat Siblings: 102 identified

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## Historical Observation Trends

Analysis of 24 historical observations indicates:

• Ownership Stability: No ownership changes recorded
• Recent Activity: Signals observed through June 2026
• Provider Consistency: Persistent OVH cloud infrastructure classification
• Threat Persistence: Not persistently malicious (0 threat persistence days)

The IP has demonstrated stable operational characteristics over the observation period, with no significant risk escalation detected.

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## Relationship Analysis

85 relationships identified, primarily:

• Same Network: 80+ relationships to OVH_282347345 subnet
• Network Affiliations: Cloud infrastructure peers within same provider

No relationships to known malicious campaigns or external threat actors.

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## Neighborhood Intelligence

Within the /24 subnet (51.195.215.0/24):

• Risk Distribution: 74 medium risk, 26 low risk, 0 high risk
• Notable Neighbors: 51.195.215.0-51.195.215.5 show risk scores of 25-40
• Abuse Density: Subnet-level density of 0.3984 indicates elevated regional activity

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## Recommended Actions

Firewall Rules

```

# Block outbound connections from this IP

iptables -A OUTPUT -d 51.195.215.47 -j DROP

# Allow if legitimate (Ahrefs service verification required)

iptables -A INPUT -s 51.195.215.47 -j ACCEPT

```

Monitoring Recommendations

1. DNSBL Monitoring: Track blacklisting status on remaining 6 DNSBLs

2. Subnet Activity: Monitor 51.195.215.0/24 for coordinated abuse patterns

3. Service Changes: Alert on any service discovery on this IP

4. Geolocation Verification: Confirm London, GB location accuracy

Intelligence Notes

• This IP belongs to Ahrefs, a legitimate SEO analytics provider
• Low direct threat indicators suggest infrastructure hosting or proxy services
• DNSBL listings may be false positives or result from sub-tenant abuse
• Recommend correlation with threat intelligence feeds for campaign matching

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Analyst: IPDebrief Intelligence Team

Confidence Level: High (24 historical observations, 85 relationships)

Next Review: 30 days or upon service discovery

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