51.195.244.203
IP Intelligence Briefing: 51.195.244.203
Date: 2026-06-15
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**Core Profile**
- Reputation: Moderate Risk (Risk Score: 40)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Ahrefs Pte Ltd (Singapore)
- Geolocation: London, England, UK (latitude/longitude unconfirmed)
- Network Role: CloudCompute infrastructure (OVH-hosted)
- Threat Indicators: No malicious activity detected (no blacklists, Tor, or spam sources).
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**Key Observations**
1. Subnet Analysis:
- Subnet: 51.195.244.203/24
- Abuse Density: 64.71% (high abuse risk in subnet)
- Neighbor Risk: 100 IPs in subnet; 165 are flagged as threats.
2. Historical Activity:
- Stable over 30 days; no significant changes in risk signals.
- Consistent geolocation and network ownership.
3. Relationships:
- Linked to OVH network (ASN 16276).
- Resolves to `proxy-uk000-san203.ahrefs.net` (Ahrefs infrastructure).
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**Actionable Insights**
- Subnet Risk: The subnet has a high abuse density, suggesting potential for lateral movement or shared infrastructure risks. Monitor neighboring IPs for suspicious activity.
- Cloud Infrastructure: As part of OVH's cloud compute network, ensure proper segmentation and access controls to isolate this IP from critical systems.
- DNS Configuration: No SPF/DKIM/DMArc records detected for `ahrefs.net`—consider email security hardening if this IP handles email services.
- Threat Mitigation: No immediate action required for this IP, but prioritize monitoring the subnet due to its high abuse risk.
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Recommendation:
- Investigate the subnet's abuse patterns and correlate with other IPs in the same OVH ASN.
- Validate geolocation accuracy, as coordinates are unconfirmed.
- Review Ahrefs' security posture for cloud-hosted assets.
Source: IPDebrief Threat Intelligence Platform
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 | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-uk000-san203.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk000-san203.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 | 39% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 21% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 27% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 21:28:56 UTC |
| Last Seen | 2026-06-28 08:05:16 UTC |
| Profile Built | 2026-06-29 02:10:10 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.