51.195.244.63📋 Copy

# IP Intelligence Briefing: 51.195.244.63/32

Classification: Moderate Risk | Last Updated: 2026-06-28

---

## Executive Summary

IP address 51.195.244.63 is an OVH cloud infrastructure endpoint associated with Ahrefs Pte Ltd, resolving to proxy-uk000-san63.ahrefs.net. The IP maintains a moderate risk score of 40 with no direct threat indicators. However, the originating /24 subnet exhibits elevated abuse density (0.8314), requiring contextual risk assessment.

---

## Infrastructure Profile

---

## Risk Assessment

Current Risk Score: 40 (Moderate)

Risk Factors:

• DNSBL listed on 1 of 8 total blacklists
• Subnet classification: high_abuse (abuse density 0.8314)
• Inherited risk from neighborhood: 33

Mitigating Factors:

• No known attacker indicators
• No spam source designation
• No Tor exit node status
• No active threat campaigns
• No open ports or exposed services detected

---

## Historical Observations (20 Observations)

The IP demonstrates consistent infrastructure behavior:

• DNS Stability: Persistent resolution to ahrefs.net domains
• Provider Consistency: Continuous OVH hosting classification
• Ownership Stability: No ownership changes observed
• Threat Persistence: No persistent malicious activity detected

Key observation timestamps:

• 2026-06-28: DNS resolution to ahrefs.net (confidence: 0.80)
• 2026-06-20: Provider classification OVH hosting (confidence: 0.85)

---

## Network Relationships

• Total Relationships: 52
• Primary Network: OVH_282347336
• Subnet: 51.195.244.0/24
• Siblings: 255 total, 207 active, 212 threat-flagged

Neighboring IP risk distribution:

• High risk: 0
• Medium risk: 35
• Low risk: 65

---

## Recommended Security Actions

Firewall Rules

```bash

# iptables

iptables -A INPUT -s 51.195.244.63 -j DROP

# nftables

nft add rule inet filter input ip saddr 51.195.244.63 drop

# nginx

deny 51.195.244.63;

# pfSense

51.195.244.63/32

# Cloudflare WAF

{"description":"Block 51.195.244.63 — IPDebrief risk score 40","action":"block","filter":{"expression":"ip.src eq 51.195.244.63"}}

# AWS WAF

{"Addresses":["51.195.244.63/32"],"Description":"IPDebrief risk 40"}

```

---

## Analyst Notes

This IP represents legitimate cloud infrastructure for Ahrefs, a commercial SEO tool provider. The moderate risk score and single DNSBL listing likely stem from the subnet's high abuse density rather than specific malicious activity. No actionable threat indicators were identified.

Recommendation: Monitor subnet-level activity; consider contextual blocking if receiving traffic from this range correlates with suspicious behavior patterns. No immediate threat action required based on current indicators.

---

*Report generated by IPDebrief Intelligence Platform*

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