54.39.210.197📋 Copy

# IP INTELLIGENCE BRIEFING

Target IP: 54.39.210.197/32

Analysis Date: 2026-06-29

Classification: Moderate Risk (Risk Score: 40/100)

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## EXECUTIVE SUMMARY

IP 54.39.210.197 is a Canadian OVH hosting infrastructure address associated with the ahrefs.net domain. While the IP shows no active threat indicators, it resides within a high-abuse subnet (54.39.210.0/24) where 80% of active sibling IPs are flagged as threats. The IP is firewalled with no open services detected. Recommended action is to block at the firewall/WAF level due to neighborhood context.

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## OWNERSHIP & GEOLOCATION

DNS PTR resolution confirms association with ahrefs.net (proxy-ca007-san197.ahrefs.net), indicating this IP is part of an infrastructure service rather than an end-user device.

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## THREAT ASSESSMENT

The IP shows no direct malicious activity. However, the 1 DNSBL listing (out of 8 total checks) and high neighborhood abuse density warrant caution.

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## NEIGHBORHOOD ANALYSIS

Subnet: 54.39.210.0/24

Abuse Density: 0.8008 (High Abuse)

Classification: high_abuse

The /24 subnet exhibits extremely high abuse correlation. Of 206 active IP addresses, 205 are flagged as threats. This suggests the IP is part of a broader infrastructure environment with elevated risk characteristics.

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## OBSERVATION HISTORY

Total Observations: 22 signals over monitoring period

Recent Trends:

• 2026-06-29: Abuse density 0.5156, classification high_abuse, inherited risk 20
• 2026-06-21: Abuse density 0.8008, classification high_abuse, inherited risk 32

The subnet shows consistent high_abuse classification with fluctuating abuse density. No persistent malicious behavior observed at the IP level.

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## NETWORK RELATIONSHIPS

37 relationships identified, primarily network-level associations to OVH-CUST-281059686. No direct associations to hostnames, organizations, or certificates beyond the network infrastructure level.

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## RECOMMENDED ACTIONS

Based on risk profile and neighborhood context, the following rules are recommended:

Firewall Rules:

```bash

# iptables

iptables -A INPUT -s 54.39.210.197 -j DROP

# nftables

nft add rule inet filter input ip saddr 54.39.210.197 drop

# nginx

deny 54.39.210.197;

```

WAF Rules:

• Cloudflare WAF: Block 54.39.210.197 (Risk Score: 40)
• AWS WAF: Add 54.39.210.197/32 to IP set

Recommendation: Block this IP at perimeter defenses due to high neighborhood abuse density, despite moderate individual risk score.

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## RISK CONCLUSION

This IP presents moderate risk with no direct malicious indicators. However, the surrounding subnet exhibits 80%+ threat prevalence. SOC teams should:

1. Block at firewall/WAF level as precautionary measure

2. Monitor for any service activity changes

3. Consider subnet-level blocking if traffic patterns warrant

*Analysis generated by IPDebrief intelligence platform.*

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