51.178.43.161📋 Copy

# IP Intelligence Briefing: 51.178.43.161

## Executive Summary

IP address 51.178.43.161 is registered to OVH SAS (ASN 16276) and operates from France. The address carries a moderate risk score of 50, with current blacklist listings on 1 of 8 DNSBLs. Infrastructure analysis indicates a cloud compute hosting environment with active SSH services.

## Network Profile

## Risk Assessment

The IP exhibits moderate-risk characteristics with the following threat indicators:

• Risk Score: 50 (Moderate)
• DNSBL Status: Listed on 1 of 8 monitored threat feeds
• Abuse Confidence: No explicit confidence score available
• Campaign Activity: None identified
• Persistence: Not persistently malicious (0 threat persistence days)

## Historical Observations

Analysis of 26 historical signals reveals the following temporal patterns:

• 2026-06-19: Blacklist listing activity detected with high severity across multiple feeds (8 total listings, 1 currently listed)
• 2026-06-14: Geolocation inference placed the IP in France with 500km accuracy radius; subnet analysis classified the /24 as "mostly_clean" with abuse density of 1
• 2026-06-15: HTTPS connection failure observed during automated probing

## Network Relationships

The IP maintains 58 identified relationships, including:

• DNS Associations: prod1.masterit.fr (multiple records)
• Network Associations: VPS-GRA8 (OVH infrastructure)
• Subnet Context: The /24 neighborhood shows 1 threat sibling with inherited risk of 2

## Recommended Actions

No specific remediation rules were generated for this address. The following defensive measures are recommended:

1. Monitor SSH Traffic: Port 22 is actively open; implement rate limiting if the IP is not an expected source

2. DNSBL Monitoring: Track blacklist status changes across 8 monitored feeds

3. Geographic Validation: Confirm France-based traffic aligns with expected communication patterns

## Conclusion

IP 51.178.43.161 represents a moderate-risk cloud-hosted address with active SSH services and documented blacklist history. The relationship to OVH infrastructure and the prod1.masterit.fr hostname suggests legitimate hosting use, though the blacklist presence warrants continued monitoring. No immediate blocking is recommended based on current risk assessment.

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