51.195.244.100
IP Intelligence Dossier
Your IP: 216.73.216.123
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing for 51.195.244.100
Date: 2026-06-09
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Registered to Ahrefs Pte Ltd (OVH ASN 16276).
- Geolocation: London, England, UK (inferred via DNS and routing signals).
- Network Role: Hosting provider (OVH) with no active services or open ports detected.
- Threat Indicators: No malware, phishing, or campaign activity observed.
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**2. Observation History**
- Stability: Stable over 30 days (0 route changes).
- Risk Trends: Consistent low-to-moderate risk score (40).
- Abuse Confidence: Low (0.54 abuse density in subnet).
- DNS: Resolves to `proxy-uk000-san100.ahrefs.net` (Ahrefs infrastructure).
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**3. Relationships**
- Network: Linked to OVH network (ASN 16276).
- DNS: Associated with Ahrefs domain (`proxy-uk000-san100.ahrefs.net`).
- Subnet: Part of 51.195.244.0/24, with 168 active IPs (137 flagged as high-risk).
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 54% (moderate risk).
- Neighbor Risk: 98% of neighbors scored low/medium risk; 2% high risk.
- Notable IPs: 51.195.244.0–3, 51.195.244.100 (self) show similar risk profiles.
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**5. Recommended Actions**
- Firewall Rules:
- Block IP using standard rules (iptables/nftables/nginx).
- Add to Cloudflare/AWS WAF for traffic filtering.
- Monitoring: Track DNS activity and subnet changes due to moderate abuse density.
- Context: No immediate threat, but monitor for anomalies given hosting role.
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Conclusion:
51.195.244.100 is a low-to-moderate risk IP associated with Ahrefs' OVH infrastructure. No active threats detected, but its subnet shows moderate abuse. Use standard blocking rules and monitor for unexpected behavior.
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-san100.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk000-san100.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
No certificate
Issued by —
N/A
| 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 | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 39% | 2 | 3 |
| Overall | 23% | 10 | 16 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-22 09:13:29 UTC |
| Last Seen | 2026-06-28 18:53:53 UTC |
| Profile Built | 2026-06-29 06:58:42 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
🔍 21 signal types · 23 observations collected
This report is generated from 21+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.