54.39.210.225📋 Copy

# IPDEBRIEF INTELLIGENCE BRIEFING

Target IP: 54.39.210.225/32

Classification: LOW RISK (35/100) | HIGH ABUSE SUBNET

Date: 2026-06-14

Provider: OVH (ASN 16276)

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## EXECUTIVE SUMMARY

IP 54.39.210.225 is a cloud hosting infrastructure address assigned to OVH in Beauharnois, Quebec. While the individual IP carries a low risk score (35), it operates within a high-abuse density subnet (54.39.210.0/24) showing 0.6641 abuse density with 170 active threat siblings. The IP is associated with the domain ahrefs.net and is currently firewalled with no detectable open services.

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## NETWORK PROFILE

Ownership & Classification:

• ASN: 16276 (OVH)
• Organization: Dmytro, Ahrefs Pte Ltd
• CIDR Block: 54.39.210.0/24
• Network Role: CloudCompute / Hosting Infrastructure
• Geolocation: Canada, Quebec, Beauharnois (3000km accuracy radius)

Infrastructure Status:

• Cloud Infrastructure: Yes
• CDN: No
• Proxy/VPN/Tor: No
• Residential: No
• Bogon: No

DNS Resolution:

• PTR Hostname: proxy-ca007-san225.ahrefs.net
• Forward Resolution: ahrefs.net
• Hosted Domain Count: 0

Network Control Plane:

• BGP Prefix: 54.39.0.0/16
• AS Path: 34549 16276
• Route Stability: Stable (0 route changes in 30 days)
• DNSSEC Valid: Yes
• IRR Consistency: Match

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## THREAT INDICATORS

Current Threat Assessment:

• Risk Score: 35 (Low Risk)
• Abuse Confidence Score: Not Available
• Known Campaigns: None
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Blacklist Count: 0 (DNSBL: 1 listed / 8 total)

Signal History (27 Observations):

• 2026-06-14T14:22:46: Listed on 8 DNSBLs with 1 high-severity listing
• 2026-06-14T14:22:17: Operator Score 0.5652 (Moderate)
• 2026-06-14T14:23:49: Subnet classified as high_abuse (66.41% abuse density)
• 2026-06-14T14:27:12: Confirmed cloud hosting infrastructure

Threat Persistence:

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

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## SUBNET ANALYSIS

Neighborhood Profile (54.39.210.0/24):

• Abuse Density: 0.6641 (High)
• Classification: high_abuse
• Total Siblings: 256
• Active Siblings: 164
• Threat Siblings: 170

Neighbor Risk Distribution:

• High Risk: 0
• Medium Risk: 100 (sample of 100)
• Low Risk: 0

Inherited Risk Score: 26

Network Relationships:

• 57 relationships detected
• All relationships map to OVH customer network OVH-CUST-281059686
• No external organization or certificate relationships identified

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## SERVICES & PORTS

Open Ports: None detected

HTTP Title: Not Available

TLS Certificate: Not Available

Server Banner: Not Available

Status: Firewalled / No Services

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## RECOMMENDED ACTIONS

Risk Score: 35/100

Recommended Action: BLOCK (Firewall recommendation based on subnet abuse density and DNSBL listings)

Firewall Rules by Platform:

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## ANALYST NOTES

1. Subnet Context: While the individual IP shows low risk, the parent /24 subnet (54.39.210.0/24) exhibits high abuse density. The 170 threat siblings suggest this infrastructure block may host compromised endpoints or be used for malicious activities.

2. Infrastructure Type: The IP is confirmed as hosting infrastructure (OVH cloud). The PTR hostname suggests it may be part of a web proxy or caching infrastructure for ahrefs.net.

3. Monitoring Recommendation: Monitor for any service changes or port openings. The current firewall state prevents service enumeration.

4. Correlation Potential: Investigate any network activity from this IP alongside the 170 identified threat siblings in the same subnet for potential coordinated activity.

5. Geographic Consideration: The IP is geolocated to Canada (Quebec). Consider whether this aligns with expected legitimate traffic patterns for your organization.

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Report Generated: 2026-06-14

Data Sources: IPDebrief Intelligence Platform

Classification: Internal Threat Intelligence

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