54.39.210.123📋 Copy

# IP Intelligence Briefing: 54.39.210.123/32

## Executive Summary

IP address 54.39.210.123 presents a MODERATE RISK profile (risk score: 40) with no current active threat indicators. The address is associated with OVH cloud infrastructure in Quebec, Canada, operating under the Ahrefs Pte Ltd organization. While no direct attack signatures were detected, the subnet demonstrates elevated abuse density requiring situational awareness.

## Ownership and Infrastructure Profile

• Organization: Dmytro, Ahrefs Pte Ltd
• ASN: 16276 (OVH)
• Network Block: 54.39.210.0/24
• Infrastructure Type: Cloud Compute / Hosting
• Geolocation: Beauharnois, Quebec, Canada (CA)
• PTR Record: proxy-ca007-san123.ahrefs.net
• Service Status: Firewalled / No Services Detected

## Risk Assessment

## Subnet Analysis (54.39.210.0/24)

• Abuse Density: 0.7969 (High Abuse Classification)
• Threat Siblings: 204 of 256 total IPs (80%)
• Active Siblings: 178
• Inherited Risk Score: 31
• Risk Distribution: 100 medium-risk neighbors, 0 high-risk detected in sample

## Historical Observation (21 signals)

Recent observations indicate stable infrastructure with minimal threat activity:

• 2026-06-28: Minimal operator score (0.1), single signal
• 2026-06-20: High abuse subnet classification confirmed
• Ownership Stability: No changes recorded
• Persistence: Not classified as persistently malicious

## Control Plane Indicators

• Route Stability: FALSE
• BGP Prefix: 54.39.0.0/16
• RPKI State: Not Available
• DNSSEC: Valid
• RTT Validation: Geo-validation discrepancy noted (RTT 27ms vs minimum possible 112.6ms for 5,629km distance)

## Recommended Actions

Firewall Rules:

```

iptables: iptables -A INPUT -s 54.39.210.123 -j DROP

nftables: nft add rule inet filter input ip saddr 54.39.210.123 drop

nginx: deny 54.39.210.123;

```

WAF Rules:

• Cloudflare: Block with expression `ip.src eq 54.39.210.123`
• AWS WAF: Add 54.39.210.123/32 to blocked addresses

## Intelligence Conclusion

The IP address 54.39.210.123 represents a low-priority threat with moderate risk scoring. No active malware, botnet, or campaign indicators were observed. However, the /24 subnet demonstrates high abuse density (0.7969) with 204 threat siblings, suggesting potential for opportunistic abuse. Network defenders should monitor subnet activity while applying default-deny firewall rules. The IP's association with Ahrefs infrastructure indicates legitimate hosting use, but the elevated neighborhood abuse metrics warrant continued observation.

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