51.222.168.167📋 Copy

# IP Intelligence Briefing: 51.222.168.167/32

## Executive Summary

IP 51.222.168.167 is a moderate-risk cloud computing address assigned to OVH SAS (ASN 16276) under customer allocation OVH-CUST-281059697. The IP resolved to hostname proxy-ca018-san167.ahrefs.net, indicating association with aresnet.com/ahrefs.net infrastructure. Current risk assessment scores 40 (Moderate Risk), with neighborhood context revealing significant abuse concentration within the parent /24 subnet.

## Risk Assessment

• Overall Risk Score: 40 (Moderate Risk)
• Provider/Authority Scores: 0 (neutral baseline)
• Operator Score: 0.2174 (Minimal threat classification)
• DNSBL Status: Listed on 1 of 8 total blacklist databases
• Infrastructure Type: CloudCompute (OVH hosting)

## Network Context

• Organization: Dmytro, Ahrefs Pte Ltd / OVH-CUST-281059697
• ASN: 16276 (OVH)
• Registered CIDR: 51.222.168.0/24
• Geolocation: Canada (QC), with geolocation consensus indicators
• Network Role: Cloud hosting infrastructure with firewall/no active services detected

## Neighborhood Analysis

The parent subnet 51.222.168.0/24 demonstrates elevated abuse characteristics:

• Abuse Density Score: 0.832 (high_abuse classification)
• Active Siblings: 227 of 256 total addresses
• Threat Siblings: 213 identified as potentially malicious
• Inherited Risk Score: 33

## Historical Observations

Analysis of 19 historical signals reveals:

• Consistent threat indicators across multiple observation periods
• ASN 16276 flagged with threat pulses in recent observations
• Persistent operator score signals maintaining minimal threat classification
• Subnet abuse density classification remained stable at high_abuse

## DNS Intelligence

• Primary Hostname: proxy-ca018-san167.ahrefs.net
• Domain: ahrefs.net
• Forward Resolution: Confirmed (1 hostname)
• PTR Record: proxy-ca018-san167.ahrefs.net
• Forward Confirmation: Pending validation

## Service Analysis

• Open Ports: None detected
• HTTP Services: No active HTTP title or banner
• TLS Certificates: None detected
• Network Classification: No CDNs, VPNs, or proxy services identified

## Recommended Actions

• Monitor for lateral movement within 51.222.168.0/24 subnet
• Review firewall rules for cloud hosting infrastructure from OVH
• Consider enhanced monitoring given high-abuse neighborhood context
• Validate DNS resolution patterns for ahrefs.net infrastructure

## Key Indicators

• Risk Classification: Moderate Risk
• Subnet Classification: High Abuse
• Provider: OVH Cloud Computing
• Primary Association: ahrefs.net DNS infrastructure

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*Data compiled from IPDebrief intelligence platform. All observations based on real-time threat intelligence feeds.*

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