51.178.31.138📋 Copy

# IP INTELLIGENCE BRIEFING: 51.178.31.138/32

Classification: Moderate Risk Infrastructure Asset

Date: Intelligence compiled from multi-source correlation

Risk Score: 50/100

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## EXECUTIVE SUMMARY

IP address 51.178.31.138 is a cloud hosting infrastructure resource operated by OVH SAS located in Roubaix, France. The asset presents moderate risk (50) primarily due to DNSBL listings and hosting infrastructure classification. No active threat indicators or direct attack signatures were observed. The IP resolves to a virtual private server hostname and is geographically anchored to France with consistent ownership attribution.

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## OWNERSHIP AND INFRASTRUCTURE

• Organization: OVH SAS (ASN 16276)
• Network: VPS-GRA6
• CIDR Block: 51.178.24.0/21
• Registration: ARIN
• Infrastructure Type: Cloud Hosting (vps-4c08f577.vps.ovh.net)
• Geolocation: Roubaix, France (Europe/Paris timezone)
• Routing Status: Route stability flagged as false; DNSSEC valid

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## THREAT ASSESSMENT

Direct Threat Indicators: None identified

• No known attacker reputation
• No known campaign associations
• No Tor exit node status
• No spam source classification

Risk Factors:

• DNSBL Listed: 2 of 8 major lists (dnsblListedCount: 2)
• Operator Score: 0.2609 (Label: Basic)
• Historical threat observation count: 1
• Abuse Density in /24 subnet: 1 (mostly_clean classification)

Behavioral Profile:

• Network role: Firewalled / No Services
• Open ports: None detected
• TLS certificates: None observed
• HTTP services: Inactive

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## OBSERVATION HISTORY

Historical signals indicate consistent infrastructure characteristics:

• Country Attribution: France (consistent across all observations)
• ASN Attribution: AS16276 (OVH SAS) consistent
• Ownership Changes: 0 (stable ownership)
• Threat Persistence: 0 days (transient threat activity only)
• Recent Activity: 20 signal observations recorded, most recent from June 16, 2026
• No persistent malicious behavior pattern detected

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## NETWORK RELATIONSHIPS

Identified Associations:

• DNS Hostname: vps-4c08f577.vps.ovh.net (forward resolution confirmed)
• Network Group: VPS-GRA6
• Relationship Count: 9 total (redundant DNS associations from multiple sources)

Subnet Analysis (51.178.31.0/24):

• Total Siblings: 1
• Active Siblings: 0
• Threat Siblings: 1
• Inherited Risk Score: 2
• Subnet Classification: mostly_clean

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## CONTROL PLANE DATA

• BGP Origin: 51.178.0.0/16
• Route Changes (30d): 0
• MOAS Status: False
• DNSSEC: Valid
• Operator Label: Basic

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## SECURITY RECOMMENDATIONS

Action Threshold: Monitor or Block based on operational context

Recommended Mitigation Rules:

Analysis Note: Recommendations are probabilistic. Combine with contextual signals before implementing blocking rules. The moderate risk score warrants consideration of blocking if this IP appears in threat intelligence feeds or correlates with malicious activity in your environment.

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## INTELLIGENCE CONCLUSION

51.178.31.138 represents a legitimate OVH cloud hosting resource with moderate risk classification. The IP is not currently associated with active attack campaigns but maintains a DNSBL footprint that may indicate past abuse or reputation issues. No immediate defensive action required unless correlated with observed malicious traffic. Recommend monitoring for changes in threat profile and continued observation of the associated VPS hostname for campaign attribution.

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