51.161.37.57📋 Copy

# IPDebrief Intelligence Briefing: 51.161.37.57/32

## Executive Summary

IP address 51.161.37.57 presents a moderate risk profile with an overall risk score of 40/100. The IP is registered to OVH network infrastructure and shows significant neighborhood-level abuse indicators. No active threat indicators were detected on this specific address, but the surrounding /24 subnet demonstrates high abuse density.

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## Infrastructure Profile

• IP Address: 51.161.37.57/32
• ASN: 16276 (OVH SAS)
• Network Block: 51.161.37.0/24 (OVH-CUST-281059684)
• Organization: Dmytro, Ahrefs Pte Ltd
• Infrastructure Type: CloudCompute / Hosting
• Classification: Cloud infrastructure with firewalled/no services status
• DNS PTR: proxy-ca005-san57.ahrefs.net

## Geolocation Assessment

• Reported Location: Singapore (CA country code)
• Validation Status: INVALID
• Distance Discrepancy: 6,082km with 28ms RTT
• Minimum Expected RTT: 121.6ms for reported distance
• Assessment: Geolocation data is implausible; actual origin cannot be validated from available signal data.

## Threat Indicators

• Blacklist Count: 0
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Campaign Association: None detected
• DNSBL Listings: 1 of 8 total lists

## Neighborhood Analysis (/24 Subnet)

• Abuse Density: 74.61% (High Abuse Classification)
• Total Siblings: 256
• Active Siblings: 198
• Threat Siblings: 191
• Inherited Risk Score: 29/100
• Risk Distribution: 0 High, 99 Medium, 1 Low
• Neighboring IP Risk Scores: Consistent ~40/100 range

## Temporal Observations

• Observation Count: 20 signals tracked
• Recent Abuse Density: 0.7461–0.7656 (elevated)
• Inherited Risk Trend: 29–30/100 range
• Campaign Persistence: No persistent malicious activity detected
• Ownership Stability: No ownership changes observed

## Network Relationships

• Total Relationships: 33
• Primary Association: OVH-CUST-281059684 network (33 relationships)
• Network Type: Same Network clustering indicates infrastructure-level association

## Security Recommendations

1. Monitor Context: While no direct threat indicators exist on this IP, the high-abuse neighborhood warrants contextual monitoring.

2. Geolocation Verification: Do not rely on reported Singapore location; validate against known infrastructure footprints.

3. Traffic Patterns: Evaluate incoming traffic volumes against baseline for this cloud hosting environment.

4. Subnet Awareness: Consider the broader /24 risk posture (191 threat siblings in 256 total IPs).

5. No Immediate Action Required: Current profile shows no active malicious indicators; maintain defensive posture without blocking.

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Classification: Moderate Risk - Infrastructure Monitoring

Data Sources: IPDebrief Intelligence Platform

Analysis Date: Current

*This briefing is based on observed network intelligence and should be correlated with additional threat indicators.*

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