51.195.183.171
IP Intelligence Briefing: 51.195.183.171
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: 0 (Low Risk)
- Provider: OVH (CloudCompute infrastructure)
- Ownership: Ahrefs Pte Ltd Dmytro (AS16276)
- Geolocation:
- Country: United Kingdom (GB)
- City: London
- Region: England
- Coordinates: Inconsistent (latitude/longitude null)
- Threat Indicators: Clean (no malware, phishing, or abuse signals detected).
- Network Role: Hosting provider (OVH CloudCompute, non-residential).
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**2. Historical Observations**
- Stability: Stable over 30 days (no route changes).
- Geolocation Variability:
- Reported as "France" (FR) in May 2026.
- Consistently linked to London, UK, in June 2026.
- No Malicious Activity: No DNS anomalies, TLS cert issues, or honeypot interactions.
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**3. Relationships**
- Linked Entities:
- Network: OVH_282347339 (AS16276)
- Subnet: 51.195.183.0/24
- Domains: `proxy-uk003-san171.ahrefs.net` (PTR record).
- No Known Campaigns or Threat Feeds: No correlation with malicious clusters.
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**4. Neighborhood Analysis**
- Subnet: 51.195.183.0/24
- Abuse Density: 0.1793 (mostly clean).
- Neighbor Risk:
- Total Siblings: 251 IPs
- Active Siblings: 33
- Threat Siblings: 45 (low-risk, no malicious indicators).
- Subnet Classification: "mostly_clean" with inherited risk score of 7.
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**5. Actionable Insights**
- No Immediate Threat: The IP is associated with a legitimate hosting provider and shows no malicious behavior.
- Monitor Subnet: While the IP itself is clean, the /24 subnet has 45 low-risk neighbors. Monitor for unusual activity in the subnet.
- Geolocation Discrepancy: Inconsistent geolocation data (UK vs. France) may warrant further investigation into routing anomalies.
- No Mitigation Required: No firewall rules or security actions recommended for this IP.
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Conclusion:
51.195.183.171 is a low-risk IP owned by Ahrefs, hosted on OVH CloudCompute. It shows no malicious activity and is part of a mostly clean subnet. No immediate defensive action is required, but ongoing monitoring of the subnet is advised.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | — |
| CIDR Block | 51.195.0.0/16 |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-uk003-san171.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk003-san171.ahrefs.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 31% | 2 | 4 |
| routing | 20% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 22% | 3 | 4 |
| reputation | 30% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 25% | 12 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-17 03:09:19 UTC |
| Last Seen | 2026-06-28 04:34:59 UTC |
| Profile Built | 2026-06-29 04:40:50 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 30 |
Full dossier details are available via our API.