54.39.210.31📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 54.39.210.31/32

Classification: Cloud Infrastructure / Legitimate Hosting

Risk Level: MODERATE (Score: 40/100)

Report Date: 2026-06-16

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## EXECUTIVE SUMMARY

IP 54.39.210.31 is a cloud-hosted infrastructure address operating under OVH customer network OVH-CUST-281059686 (ASN 16276). The IP is associated with the Ahrefs.net domain and registered to Dmytro, Ahrefs Pte Ltd. The address is hosted in Canada (Quebec, Beauharnois) and functions as a cloud compute resource with firewall protection. While the IP itself shows no active threat indicators, it resides within a /24 subnet exhibiting elevated abuse density (0.7969). No immediate defensive action required; maintain monitoring.

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## OWNERSHIP & INFRASTRUCTURE

The IP has no open ports or active services detected. DNS resolution maps to proxy-ca007-san31.ahrefs.net with forward confirmation pending.

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## GEOLOCATION

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## THREAT ASSESSMENT

Current Risk Profile:

• Overall Risk Score: 40/100 (Moderate)
• Abuse Confidence: None
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Blacklist Count: 0
• Known Campaigns: None

Control Plane Indicators:

• DNSSEC: Valid
• DNSBL Listed: 1 of 8 lists
• Operator Score: 0.2174 (Minimal)
• Route Stability: Unstable (isRouteStable: false)
• BGP Prefix: 54.39.0.0/16

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## NETWORK NEIGHBORHOOD ANALYSIS

Subnet: 54.39.210.0/24

Risk Distribution (100 neighbors analyzed):

• High Risk: 0
• Medium Risk: 100
• Low Risk: 0

The /24 subnet demonstrates elevated abuse activity with 204 threat siblings and 79.69% abuse density. However, the target IP itself (54.39.210.31) shows no direct threat indicators. Neighboring addresses consistently display risk scores of 40 with authority scores of 50.

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## OBSERVATION HISTORY

Total Observations: 19 signals tracked

Recent Signal Timeline (2026-06-16):

1. 00:54:17 – Geolocation signal (Canada, confidence: 0.35)

2. 00:54:02 – Ownership signal (no changes, confidence: 0.85)

3. 00:53:40 – Subnet abuse density signal (high_abuse, confidence: 0.75)

4. 00:53:00 – Network role signal (not attacker/Not Tor/Not spam, confidence: 0.20)

5. 00:50:58 – Control plane operator score (Minimal, confidence: 0.60)

Temporal Analysis:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Threat Observation Count: 1
• Persistently Malicious: No

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## RELATIONSHIP GRAPH

The IP maintains strong DNS relationships with the ahrefs.net hostname family. No certificate or organization relationships detected.

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## RECOMMENDED ACTIONS

Based on current risk profile, no blocking or filtering actions required. Maintain passive monitoring.

Suggested Rules:

• No firewall rules recommended
• No WAF rules recommended
• No email reputation actions needed

Monitoring Considerations:

• Monitor /24 subnet for abuse density trends (0.7969)
• Track DNS resolution patterns for proxy-ca007-san31.ahrefs.net
• Watch for service emergence on previously closed ports

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## THREAT INTELLIGENCE CONTEXT

The target IP operates within OVH's cloud infrastructure ecosystem. While the immediate address shows no malicious activity, the surrounding /24 subnet exhibits significant abuse density. This suggests the broader network segment warrants continued intelligence gathering. The IP's association with Ahrefs.net indicates legitimate SEO analytics or marketing infrastructure usage.

Final Assessment: LEGITIMATE HOST

CONFIDENCE LEVEL: MODERATE

DATA FRESHNESS: CURRENT (Within 24 hours)

LAST UPDATED: 2026-06-16 00:54:17 UTC

SOC INTEGRATION NOTES:

Integrate this IP into existing cloud-compute monitoring workflows. No immediate threat response required. Update SIEM rules to observe subnet-level abuse density changes within 54.39.210.0/24. Flag any service emergence on this address for further investigation.

END OF BRIEFING

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*This intelligence briefing was generated by IPDebrief™ Threat Intelligence Platform for authorized defensive security operations. All data derived from automated observation and threat feed aggregation.*

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