54.39.210.109📋 Copy

# IPDebrief Intelligence Briefing

IP Address: 54.39.210.109/32

Classification: Moderate Risk / Cloud Infrastructure

Report Date: 2026-06-15

Analyst: IPDebrief Intelligence

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## Executive Summary

IP 54.39.210.109 is a cloud compute resource hosted by OVH (ASN 16276) under customer OVH-CUST-281059686. The IP resolves to the ahrefs.net domain with PTR hostname proxy-ca007-san109.ahrefs.net. Risk assessment scores 40 (Moderate Risk) with no active threat indicators, but the subnet demonstrates elevated abuse density requiring monitoring awareness.

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## Network Ownership & Infrastructure

Network Classification: Cloud compute environment with hosting capabilities. No active services detected on the IP itself (firewalled/no services).

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## Geolocation Analysis

Reported Location: Beauharnois, Quebec, Canada

Validation Status: ⚠️ GEOLOCATION ANOMALY DETECTED

• GeoPlausible: False
• Claimed Coordinates: 45.3161° N, -73.8736° W
• Actual Distance: 5,629 km from probe location
• Observed RTT: 27ms
• Minimum Possible RTT: 112.6ms for 5,629 km

The geolocation data violates physical distance constraints, indicating unreliable reporting. Defense teams should not rely on this location data for geofencing decisions.

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## Threat Intelligence Assessment

DNSBL Status: Listed on 1 of 8 DNSBL lists (dnsblListedCount: 1, dnsblTotalLists: 8)

Threat Indicators: None observed in current profile. No active malicious signatures or threat feed matches.

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## DNS & Email Reputation

Email Authentication: SPF and DMARC records absent. IP not configured for email delivery.

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## Neighborhood Analysis (54.39.210.0/24)

Subnet Risk Profile: HIGH ABUSE CLASSIFICATION

Assessment: The /24 subnet exhibits significant abuse concentration with 76.95% abuse density and 197 threat siblings out of 172 active IPs. This indicates the subnet is heavily utilized for potentially malicious activity.

Sample Neighbor Risk Distribution:

• Risk Score 40: Multiple IPs (54.39.210.0, 54.39.210.1, 54.39.210.2, 54.39.210.4)
• Risk Score 50: 54.39.210.3
• Authority Score: 50 across sampled neighbors

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## Control Plane & Routing

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## Observation History (23 Signals)

Recent Activity Timeline:

• 2026-06-15 21:02:38: Subnet classification signal (abuse_density: 0.7695, classification: high_abuse)
• 2026-06-15 20:58:10: Geo validation signal (RTT violation detected)
• 2026-06-15 20:56:12: Control plane operator score signal (Basic, 0.4783)
• 2026-06-10 11:30:10: Temporal ownership signal (no changes, not persistently malicious)

Temporal Assessment: No persistent malicious activity detected

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## Observation History (23 Signals)

Recent Activity Timeline:

• 2026-06-15 21:02:38: Subnet classification signal (abuse_density: 0.7695, classification: high_abuse)
• 2026-06-15 20:58:10: Geo validation signal (RTT violation detected)
• 2026-06-15 20:56:12: Control plane operator score signal (Basic, 0.4783)
• 2026-06-10 11:30:10: Temporal ownership signal (no changes, not persistently malicious)

Temporal Assessment: No persistent malicious activity detected. Single threat observation count of 1 recorded. Ownership stability maintained with zero ownership changes.

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## Campaign Correlation

No active threat campaigns or IOCs associated with this IP address.

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## Service & Port Analysis

No active web services or exposed ports identified on the target IP.

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## Recommendations

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## Summary Assessment

IP 54.39.210.109 is a cloud infrastructure asset hosted by OVH for Ahrefs domain operations. While the IP itself shows no active malicious behavior, the surrounding subnet exhibits high abuse density that warrants monitoring. Defense teams should maintain awareness of neighborhood-level threat activity and avoid relying on the reported geolocation data for security decisions.

Threat Level: Moderate Risk

Recommended Action: Monitor

Status: No immediate containment required

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End of Briefing

Generated by: IPDebrief Threat Intelligence Platform

Data Source: IPDebrief API

Report ID: [Auto-generated]

Classification: Unclassified

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