51.68.247.215📋 Copy

# IP Intelligence Briefing: 51.68.247.215/32

Classification: Moderate Risk — Legitimate Hosting with High-Abuse Neighborhood

Date: 2026-06-20

Prepared By: IPDebrief Intelligence Team

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## Executive Summary

IP 51.68.247.215 is a legitimate hosting infrastructure endpoint operated by OVH (ASN 16276) under Ahrefs Pte Ltd Dmytro. The IP is geolocated to France and resolves to the ahrefs.net domain (proxy-fr003-san215.ahrefs.net). Current risk assessment indicates moderate risk (Score: 50) with no active service exposure. However, the IP resides within a high-abuse-density subnet (51.68.247.0/24) with 0.9375 abuse density, indicating concentrated malicious activity from neighboring addresses.

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## Profile Analysis

Ownership & Registration:

• ASN: 16276 (OVH SAS)
• Organization: Ahrefs Pte Ltd Dmytro
• Network Classification: Hosting Infrastructure
• RIR: ARIN

Geolocation:

• Country: France (FR)
• City: Paris region (500.4 km validation distance)
• Timezone: Europe/Paris
• Geo Validation: Plausible (5 probe attempts, avg RTT: 93.4ms)

Network Services:

• Open Ports: None (Firewalled / No Services)
• DNS PTR: proxy-fr003-san215.ahrefs.net
• TLS/HTTP Services: Not active
• Connection Type: CloudCompute

Threat Indicators:

• Blacklist Count: 1 (listed on 1 of 8 DNSBLs)
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Campaign Correlation: None detected
• Pulsedive Risk: Not applicable

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## Neighborhood Intelligence

Subnet: 51.68.247.0/24

• Total Siblings: 32
• Active Siblings: 15
• Abuse Density: 0.9375 (HIGH)
• Risk Classification: high_abuse
• Inherited Risk Score: 37

Neighbor Risk Distribution:

• High Risk: 0
• Medium Risk: 31
• Low Risk: 0

The subnet exhibits concentrated abuse activity. Neighboring IPs (51.68.247.192-223) show uniform risk scores of 40-50, suggesting coordinated or shared infrastructure abuse patterns. This high-density environment warrants defensive caution despite the target IP's clean service profile.

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## Historical Signals

Observation History: 24 recorded signals

Key Temporal Indicators:

• 2026-06-20: Recent cloud/hosting classification confirmed; blacklist listings active (severity: high)
• 2026-06-15: Subnet abuse density confirmed at 0.9375; geolocation validation successful (Paris, FR)
• Route Stability: Unstable (isRouteStable: false)
• Threat Persistence: 0 days (no persistent malicious behavior detected)

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## Relationship Graph

Total Relationships: 35

Primary Associations:

• Network: OVH_282114228 (30+ same-network relationships)
• Infrastructure Type: CloudCompute
• Provider: OVH

The IP maintains extensive network-level relationships within the OVH hosting ecosystem, indicating legitimate enterprise infrastructure deployment.

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## Recommended Actions

SOC Analyst Recommendations:

1. Traffic Analysis: Monitor for anomalous outbound connections from this IP to external destinations. Current profile shows no open services, but the high-abuse neighborhood context warrants inspection of connection patterns.

2. Threat Intelligence Integration: Add to watchlist for neighborhood correlation. The 51.68.247.0/24 subnet shows 0.9375 abuse density; correlate any incidents with this range.

3. DNS Monitoring: The IP resolves to proxy-fr003-san215.ahrefs.net. Monitor for DNS tunneling or covert channel activity if the IP appears in security alerts.

4. Firewall Rule Consideration: No immediate block required given legitimate hosting classification and no active services. Implement rate-limiting if the IP begins generating connection attempts.

5. Continuous Monitoring: Track for changes in threat indicators. The subnet's abuse density may evolve; monitor for reputation degradation.

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Assessment: Legitimate hosting infrastructure with elevated neighborhood risk. Treat with standard caution appropriate for enterprise hosting providers in high-density abuse environments. No immediate threat indicators detected on the IP itself.

Confidence Level: 85%

Last Updated: 2026-06-20

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