51.161.37.94📋 Copy

# INTELLIGENCE BRIEFING: 51.161.37.94/32

## Executive Summary

IP address 51.161.37.94 is classified as Moderate Risk with a risk score of 40. The IP is hosted by OVH under the organization Dmytro, Ahrefs Pte Ltd (ASN 16276) in the 51.161.37.0/24 subnet. While the IP shows no direct threat indicators, it resides in a high-abuse density subnet with 74.22% abuse classification.

## Ownership and Infrastructure

• ASN: 16276 (OVH)
• Organization: Dmytro, Ahrefs Pte Ltd
• Network: OVH-CUST-281059684
• Registration: ARIN RIR
• Infrastructure Type: Cloud Computing Environment
• Classification: Hosting Provider

## Geolocation Data

• Country: Canada (CA)
• City: Singapore
• Note: Geographic discrepancy observed between country code and city attribution

## Network Classification

• Infrastructure: Cloud Compute
• Hosting: Yes
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• CDN: No
• Proxy: No

## DNS and Hostname Resolution

• PTR Hostname: proxy-ca005-san94.ahrefs.net
• Domain: ahrefs.net
• Forward Resolution: 1 hostname confirmed
• Email Authentication: No SPF/DMARC records configured
• DNSBL Listed: 1 of 8 total lists

## Subnet Intelligence (51.161.37.0/24)

• Abuse Density: 0.7422 (High)
• Total Siblings: 256
• Active Siblings: 205
• Threat Siblings: 190
• Subnet Classification: High Abuse
• Risk Profile: Medium risk distribution across neighbors (99 medium, 1 low, 0 high)

## Threat Indicators

• Abuse Confidence Score: Not applicable
• Known Campaigns: None detected
• Blacklist Count: 0
• Tor Exit Node: No
• Honeypot Hits: 0

## Observation History

• Total Observations: 21
• Recent Activity: Multiple observations recorded from June 26, 2026
• Signal Types: Network classification, geolocation, routing, services, ownership, reputation
• Persistence: No persistent malicious behavior observed
• Ownership Changes: 0

## Control Plane Data

• BGP Prefix: 51.161.0.0/17
• Route Stability: Unstable
• RPKI State: Not verified
• Route Changes (30d): 0
• DNSSEC: Valid
• Operator Score: 0.2174 (Minimal)

## Recommended Actions

1. Monitor: Given the high abuse density of the /24 subnet (74.22%), monitor for anomalous outbound traffic patterns

2. Baseline: Establish baseline traffic metrics for this subnet given its hosting classification

3. DNS Verification: Consider implementing SPF/DMARC records for ahrefs.net domain

4. Threat Correlation: Cross-reference with known threat intelligence feeds for ahrefs.net infrastructure

## Intelligence Assessment

The IP 51.161.37.94 demonstrates moderate risk characteristics typical of hosting infrastructure. The primary concern is the high abuse density classification of the parent /24 subnet, indicating potential for abuse activity across the block. No direct threat indicators were detected against this specific IP, but the operational environment warrants ongoing monitoring.

*Report generated from IPDebrief intelligence platform data.*

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