54.39.89.89📋 Copy

# IPDEBRIEF INTELLIGENCE BRIEFING

## Subject: 54.39.89.89/32

Classification: Moderate Risk (Score: 40)

Report Generated: June 15, 2026

Intel Confidence: High

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## EXECUTIVE SUMMARY

IP 54.39.89.89 resolves to a cloud hosting infrastructure asset operated by Ahrefs Pte Ltd on OVH network (ASN 16276). The IP is associated with hostname proxy-ca012-san89.ahrefs.net and demonstrates consistent hosting characteristics. The subnet exhibits elevated abuse density (0.7539), indicating concentrated network-level risk factors. No active threat indicators or malicious reputation signals were identified.

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## OWNERSHIP AND INFRASTRUCTURE

Service Profile: The IP shows no open ports and reports as "Firewalled / No Services." DNS records confirm association with afox-hosted domain ahrefs.net. The IP is confirmed as cloud infrastructure (isCloud: true) and hosting provider (isHosting: true).

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## THREAT ASSESSMENT

Overall Risk Score: 40/100 (Moderate)

Threat Indicators:

• Known Attacker: False
• Tor Exit Node: False
• Spam Source: False
• Blacklist Count: 0
• DNSBL Listed: 1 of 8 lists
• Campaign Likelihood: None

Control Plane Analysis:

• Route Stability: Stable
• BGP Prefix: 54.39.0.0/16
• AS Path: 57866 → 16276
• RPKI State: Not evaluated
• Operator Score: 0.4348 (Basic classification)

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## NEIGHBORHOOD ANALYSIS

The /24 subnet (54.39.89.0/24) demonstrates elevated abuse concentration:

Context: The subnet exhibits significant activity with 193 threat siblings out of 125 active addresses. While this IP itself is not flagged as malicious, the neighborhood context suggests elevated risk exposure typical of hosting provider networks.

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## OBSERVATION HISTORY

Total Observations: 25

Temporal Analysis (Recent 25 Days):

• 2026-06-15 21:02: Abuse density confirmed at 0.7539 (high_abuse classification)
• 2026-06-15 21:00: Operator score 0.4348 (Basic), route stability confirmed
• 2026-06-15 21:00: Full profile confidence 0.267 (6/6 dimensions covered)
• 2026-06-10 11:30: Ownership persistence: 0 changes, not persistently malicious
• 2026-06-10 11:26: Provider confirmed as OVH, cloud/hosting classification

Persistence Indicators:

• Ownership changes: 0
• Threat persistence days: 0
• Is persistently malicious: False
• Threat observation count: 1

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## RELATIONSHIP MAPPING

Network Associations: Multiple same-network relationships to OVH-CUST-281059691 (16+ entries)

DNS Associations: 17 DNS record associations to proxy-ca012-san89.ahrefs.net

Entity Links:

• Target Network: OVH-CUST-281059691
• Primary Hostname: proxy-ca012-san89.ahrefs.net
• Domain: ahrefs.net

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## RECOMMENDED ACTIONS

Risk-Based Guidance: No immediate blocking recommended.

Justification:

• IP is legitimate cloud hosting infrastructure for Ahrefs
• No active threat indicators or malicious reputation
• Risk score of 40 is moderate and within normal hosting provider ranges
• Subnet abuse density is inherited from hosting provider context

Monitoring Recommendations:

• Monitor for unusual outbound patterns from this IP
• Track neighborhood-level risk escalation
• Maintain awareness of subnet abuse trends

Firewall Rule Status: No specific firewall rules generated (actions.empty in profile).

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## INTELLIGENCE NOTES

This IP represents legitimate hosting infrastructure with elevated neighborhood risk exposure. The high abuse density (0.7539) in the /24 subnet reflects OVH's multi-tenant hosting environment rather than targeted malicious activity. No evidence suggests this specific IP is compromised or being used for malicious purposes. Standard monitoring practices are appropriate.

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Sources: IPDebrief Intelligence Platform

Data Confidence: High

Last Updated: 2026-06-15 21:02 UTC

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