54.39.203.250📋 Copy

INTELLIGENCE BRIEFING: 54.39.203.250/32

Executive Summary

IP 54.39.203.250 presents moderate risk (score 40/100) as a cloud-hosting address within OVH infrastructure (ASN 16276) in Beauharnois, QC, Canada. The address is associated with domain ahrefs.net but shows elevated neighborhood abuse density requiring defensive monitoring.

Ownership & Network Context

• ASN: 16276 (OVH SAS)
• Organization: Dmytro, Ahrefs Pte Ltd
• CIDR: 54.39.203.0/24
• Infrastructure: Cloud compute environment (OVH hosting)
• PTR Hostname: proxy-ca008-san250.ahrefs.net
• Geolocation: Canada, QC, Beauharnois (3000km accuracy radius)

Threat Indicators

• Risk Score: 40 (Moderate Risk)
• Blacklist Status: 1 of 8 DNSBL listings active
• Operator Score: 0.2174 (Minimal)
• DNSSEC: Valid
• No active services detected (open ports: none)
• No known campaigns or threat feeds matched
• Not identified as Tor exit, VPN, proxy, or spam source

Neighborhood Analysis (54.39.203.0/24)

• Abuse Density: High-abuse classification
• Sampled Neighbors: 100 IPs analyzed
• Risk Distribution: 96 medium risk, 4 low risk, 0 high risk
• Sibling IPs: 191 active out of 256 total in subnet
• Inherited Risk: 22

Observation History

• Total Observations: 23 signals recorded
• Recent Activity: Multiple signals observed 2026-06-25
• Geolocation Signals: CA country code confirmed, latitude/longitude varying by source
• Domain Signals: ahrefs.net domain consistently resolved
• Threat Persistence: Not persistently malicious
• Ownership Changes: None recorded

Control Plane & Routing

• BGP Prefix: 54.39.0.0/16
• Route Stability: False (route changes detected in 30-day window)
• RPKI State: Not verified
• Hops: 18 (6 timed out)
• Transit Networks: Comcast

Recommended Defensive Actions

No specific threat-based recommendations generated due to moderate risk profile and lack of active service indicators. The following firewall rules may be applied if policy requires blocking based on risk score:

• iptables: `iptables -A INPUT -s 54.39.203.250 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 54.39.203.250 drop`
• nginx: `deny 54.39.203.250;`
• pfSense: Block 54.39.203.250/32
• Cloudflare WAF: Block with expression `ip.src eq 54.39.203.250`
• AWS WAF: Add IP 54.39.203.250/32 to blacklist set

Assessment

This IP operates within legitimate cloud infrastructure (OVH) but demonstrates moderate risk characteristics including DNSBL listings and elevated neighborhood abuse density. The association with ahrefs.net suggests potential association with SEO or web analytics services. Current risk profile does not indicate active malicious activity, but monitoring is recommended given the subnet's high-abuse classification.

Recommendation: Monitor for behavioral changes; implement firewall rules only if broader threat context warrants. No immediate blocking recommended without additional corroborating signals.

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