51.195.244.253
IP Intelligence Briefing: 51.195.244.253
*Generated via IPDebrief tools: profile, history, relationships, and neighborhood analysis*
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**1. IP Profile**
- Risk Score: Moderate (50/100)
- Ownership: Ahrefs Pte Ltd (OVH ASN 16276)
- Geolocation: London, England, United Kingdom
- Network Role: Hosting service (firewalled, no open ports)
- Threat Indicators: No malicious activity detected (no DNS anomalies, spam, or known attackers).
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**2. Observation History**
- Risk Trends: Stable over 30 days; highest recorded risk (66) linked to proxy detection via proxycheck.io.
- Key Signals:
- BGP route stability (operator score: 0.43).
- DNSSEC valid, CAA records present.
- No recent scans or honeypot interactions.
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**3. Relationships**
- Network Affiliation: Part of OVH network (ASN 16276).
- Linked Entities:
- Subnet: `51.195.244.0/24` (OVH infrastructure).
- Hosted domain: `ahrefs.net` (proxy hostname: `proxy-uk000-san253.ahrefs.net`).
- No direct malicious relationships identified.
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**4. Neighborhood Analysis**
- Subnet: `51.195.244.0/24` (OVH network).
- Abuse Density: Subnet has 61% abuse density, but this IP shows no direct abuse.
- Neighbor Risk: 156 of 255 IPs in the subnet are flagged as threats.
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**5. Actionable Insights**
- SOC Recommendation:
- Monitor the `51.195.244.0/24` subnet for lateral movement or unusual traffic patterns.
- Investigate the `ahrefs.net` domain for potential proxy or CDN misuse.
- No immediate blocking required for this IP, but isolate it if it begins exhibiting scan activity.
- Context: The IP is likely a legitimate proxy/server under Ahrefs, but its subnet has a high abuse density, warranting closer scrutiny.
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*End of Briefing*
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-uk000-san253.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk000-san253.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 27% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 27% | 3 | 4 |
| reputation | 31% | 1 | 3 |
| geolocation | 39% | 2 | 3 |
| Overall | 28% | 12 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-15 08:44:34 UTC |
| Last Seen | 2026-06-28 02:11:45 UTC |
| Profile Built | 2026-06-28 20:17:17 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 29 |
Full dossier details are available via our API.