54.39.0.161📋 Copy

IP Intelligence Briefing: 54.39.0.161/32

Date: 2026-06-14

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**1. Risk Profile**

• Risk Score: 40 (Moderate Risk)
• Provider: OVH (ASN 16276)
• Organization: Dmytro, Ahrefs Pte Ltd
• Geolocation: Canada (QC, Beauharnois) | Plausibility: False (RTT discrepancy)
• Threat Indicators: No known malware, spam, or attacker associations.

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**2. Network Context**

• Subnet: 54.39.0.0/24 (OVH-CUST-281059683)
• Subnet Abuse Density: 0.53 (High Abuse)
• Neighbor Risk: 89 medium-risk IPs, 11 low-risk IPs in the subnet.
• Network Role: Hosting provider (OVH) | Cloud infrastructure.

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**3. Observational History**

• DNSBL Listings: Listed in 1/8 DNSBLs (high severity).
• Geo Validation: Unplausible (RTT 27ms vs. expected 112.6ms for 5,629km).
• Network Stability: Route changes in last 30 days: 0.
• Ownership: Stable (no recent changes).

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**4. Relationships**

• Linked Entities:

- Subnet: 54.39.0.0/24 (OVH)

- Domain: `ahrefs.net` (PTR hostname: `proxy-ca004-san161.ahrefs.net`)

• No direct ties to campaigns, TLS certs, or C2 servers.

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**5. Recommended Actions**

• Block/monitor: Given the DNSBL listing and geo plausibility mismatch, consider blocking or monitoring traffic from this IP.
• Firewall Rules (Example):

```bash

iptables -A INPUT -s 54.39.0.161 -j DROP

nft add rule inet filter input ip saddr 54.39.0.161 drop

```

• Contextual Note: OVH is a legitimate hosting provider, but the IP’s DNSBL listing and unusual geolocation warrant closer scrutiny.

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Next Steps:

• Validate DNSBL listing sources.
• Monitor for changes in subnet abuse density or threat indicators.
• Cross-check with internal threat intelligence feeds.

Threat Level: Moderate | Action Required: Conditional (based on operational context).

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