54.38.147.57📋 Copy

# IP Intelligence Briefing: 54.38.147.57/32

Classification: Moderate Risk

Date: 2026-06-28

Analyst: IPDebrief Intelligence Division

## Executive Summary

IP address 54.38.147.57 is associated with OVH cloud infrastructure in London, England (GB). The IP demonstrates moderate risk characteristics with no active threat indicators but exhibits elevated neighborhood abuse density. The address is classified under the ahrefs.net domain infrastructure, hosted on OVH cloud compute services.

## Technical Profile

• ASN: 16276 (OVH)
• Organization: Ahrefs Pte Ltd Dmytro
• Geolocation: London, England, GB (750km accuracy radius)
• Infrastructure Type: Cloud Compute (OVH)
• DNS Resolution: proxy-uk005-san57.ahrefs.net
• Network Role: Hosting/Cloud (Firewalled/No Services)
• Risk Score: 50/100 (Moderate)

## Threat Indicators

• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Blacklist Status: Listed on 2 of 8 DNSBLs
• Threat Campaigns: None identified
• Open Ports: None detected (firewalled)
• TLS/HTTP Services: None active

## Neighborhood Analysis (54.38.147.0/24)

• Subnet Abuse Density: 0.6875 (High)
• Active Siblings: 210 out of 256 total IPs
• Threat Siblings: 176 IPs flagged as threats
• Inherited Risk: 27/100
• Risk Distribution: 0 High, 19 Medium, 81 Low risk neighbors

## Historical Observation (22 Signals)

The IP has maintained consistent classification patterns over the observation period:

• Recent signals (June 2026) confirm cloud compute infrastructure classification
• Abuse density signal maintained at 0.6875 across multiple observations
• DNS blacklist listings persisted across observation windows
• Geographic location consistently inferred as GB region

## Relationship Mapping

49 relationships identified, primarily same-network associations within OVH infrastructure (OVH_282347341). No certificate or hostname relationships beyond the ahrefs.net domain.

## Recommended Actions

1. Monitor but do not block: The IP shows moderate risk with no active malicious indicators

2. Monitor DNSBL listings: Track the 2 active blacklist associations for changes

3. Subnet awareness: The /24 subnet shows high abuse density—correlate any suspicious activity with neighboring IPs

4. Service validation: No open ports detected; verify if services are legitimately firewalled or misconfigured

## SOC Analyst Notes

This IP represents legitimate cloud hosting infrastructure (OVH) associated with Ahrefs, a legitimate SEO analytics provider. The moderate risk score derives from neighborhood abuse patterns rather than direct threat indicators. While the subnet shows elevated abuse density, this specific IP has no active threat signatures. Recommend continued monitoring without immediate blocking actions.

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