51.195.183.202
IP Intelligence Briefing: 51.195.183.202
Date: 2026-06-15
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Ahrefs Pte Ltd (legitimate SEO/monitoring service)
- Geolocation: London, England, UK (consistent with OVH infrastructure)
- Network Role:
- Cloud compute resource (OVH-hosted)
- No open services or TLS certificates detected
- No Tor, CDN, or residential indicators
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**2. Threat Observations**
- Threat Indicators:
- No malicious activity, spam, or known attacker associations
- No DNS-based threats or blacklisted domains
- History:
- Stable ownership (9251 days since ASN allocation)
- Subnet abuse density: 0.54 (moderate risk for the /24 network)
- No recent changes in threat signals
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**3. Network Relationships**
- Linked Entities:
- Part of OVH network (ASN 16276)
- Subnet: `51.195.183.202/24` (255 total IPs, 116 active)
- 138 neighbors flagged as high-risk (abuse density: 54.12%)
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**4. Neighborhood Analysis**
- Subnet Risk:
- Abuse Classification: High_abuse
- Inherited Risk: 21 (moderate)
- Threat Neighbors: 138 IPs with elevated risk scores
- Recommendation: Monitor neighboring IPs for anomalous behavior, as the subnet contains a mix of legitimate and high-risk assets.
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**5. Control Plane & DNS**
- BGP:
- Prefix: `51.195.0.0/16`
- Route stability: Stable (no recent changes)
- DNS:
- PTR hostname: `proxy-uk003-san202.ahrefs.net`
- No email authentication records (SPF/DKIM)
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**6. SOC Action Plan**
- Short-Term:
- Monitor subnet for lateral movement or unexpected traffic spikes.
- Validate DNS records for `ahrefs.net` to ensure no spoofing.
- Long-Term:
- Segment high-risk neighbors from the core network.
- Review OVH infrastructure for potential misconfigurations.
Conclusion: This IP is part of a legitimate cloud infrastructure with no direct malicious activity. However, the subnet contains a significant number of high-risk neighbors, warranting closer scrutiny to mitigate potential indirect threats.
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-san202.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk003-san202.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 | 26% | 2 | 4 |
| routing | 24% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 35% | 3 | 6 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 26% | 12 | 21 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 23:50:40 UTC |
| Last Seen | 2026-06-28 10:38:00 UTC |
| Profile Built | 2026-06-29 04:43:05 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 31 |
Full dossier details are available via our API.