54.39.210.229📋 Copy

# IP INTELLIGENCE BRIEFING: 54.39.210.229/32

Classification: MODERATE RISK

Date: 2026-06-20

Status: ACTIVE MONITORING RECOMMENDED

## 1. EXECUTIVE SUMMARY

IP address 54.39.210.229 is a cloud hosting infrastructure endpoint registered to Ahrefs Pte Ltd via OVH SAS hosting. The IP presents a moderate risk score (40) with no active threat indicators currently associated. However, the subnet environment exhibits elevated abuse density, warranting ongoing monitoring. No malicious campaigns or known attacker associations have been identified.

## 2. INFRASTRUCTURE PROFILE

Ownership & Registration:

• ASN: 16276 (OVH SAS)
• Organization: Dmytro, Ahrefs Pte Ltd
• CIDR Block: 54.39.210.0/24
• RIR: ARIN
• Network Name: OVH-CUST-281059686

Geolocation Data:

• Reported Location: Beaucharnois, Quebec, Canada
• Geographic Consensus: TRUE (1 source)
• Geographic Plausibility: FALSE (significant RTT violation detected)
• Observed RTT: 27.0ms vs minimum possible 112.6ms for claimed distance
• Distance from Probe Location: 5,628.6km

DNS Resolution:

• PTR Hostname: proxy-ca007-san229.ahrefs.net
• Forward Resolution: proxy-ca007-san229.ahrefs.net
• Domain: ahrefs.net
• Email Authentication: SPF/Dmarc records NOT configured

Network Services:

• Infrastructure Type: Cloud Compute (Hosting)
• Open Ports: NONE
• TLS Certificate: NOT DETECTED
• Classification: Firewalled / No Services
• Service Purpose: Hosting infrastructure with no exposed services

## 3. THREAT ASSESSMENT

Current Risk Indicators:

• Overall Risk Score: 40/100 (Moderate)
• Abuse Confidence Score: Not Applicable
• Blacklist Count: 0
• Known Threat Feeds: 0
• Tor Exit Node: FALSE
• Known Attacker: FALSE
• Spam Source: FALSE

Control Plane Analysis:

• DNSBL Listed: 1 of 8 total lists
• Route Stability: NOT STABLE (route changes detected)
• RPKI State: Not Evaluated
• Operator Score: 0.2174 (Minimal)
• MoAS Status: FALSE

Campaign Correlation:

• Likelihood: Not Evaluated
• Certificate Matches: 0
• Correlated IPs: 0

## 4. SUBNET ENVIRONMENT ANALYSIS

Subnet: 54.39.210.0/24

• Total Siblings: 256
• Active Siblings: 174
• Threat Siblings: 203
• Abuse Density: 0.793 (HIGH ABUSE CLASSIFICATION)
• Inherited Risk Score: 31

Neighborhood Risk Distribution (Sample of 100):

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

Assessment: The /24 subnet demonstrates consistent medium-risk classification across sampled neighbors. The high abuse density (0.793) and elevated threat sibling count (203 of 256 total IPs) indicate this subnet is heavily utilized for hosting services that may attract abuse activity.

## 5. OBSERVATION HISTORY

Total Observations: 18 signals recorded

Recent Signal Types:

• Network Classification: Consistent identification as OVH cloud hosting infrastructure
• Geographic Signals: Multiple probes confirming location inconsistencies
• Port Scanning: Detected but no open services identified
• RTT Validation: Persistent geographic implausibility violations

Temporal Analysis:

• Ownership Changes: 0 (stable registration)
• Threat Persistence: 0 days (no persistent malicious activity)
• Threat Observation Count: 0 (no observed threats to date)
• Persistently Malicious: FALSE

## 6. RELATIONSHIP MAPPING

Primary Relationships:

• Same Network: OVH-CUST-281059686 (44 relationship entries)
• Network Classification: Cloud hosting infrastructure
• DNS Association: ahrefs.net domain namespace

Assessment: The IP maintains strong network-level relationships within the OVH customer infrastructure. No certificate-based or organizational cross-references beyond the hosting provider have been identified.

## 7. RECOMMENDATIONS

Immediate Actions:

• [ ] Monitor subnet 54.39.210.0/24 for abuse activity spikes
• [ ] Review firewall rules for inbound connections to this subnet
• [ ] Verify legitimate use case for any connections observed from this IP

Long-term Actions:

• [ ] Implement rate limiting for connections from this subnet
• [ ] Monitor for service exposure changes (currently firewalled)
• [ ] Track geographic signal consistency for anomaly detection

Threat Priority: LOW-MEDIUM

The IP address 54.39.210.229 represents legitimate cloud hosting infrastructure with no active threat indicators. The primary concern is the elevated abuse density in the parent subnet, which warrants continued monitoring rather than immediate blocking. Connections from this IP should be evaluated based on business context and established baseline traffic patterns.

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Intelligence Source: IPDebrief Platform

Data Currency: 2026-06-20

Classification Level: SOC Analyst Review

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