51.195.244.187
IP Intelligence Briefing: 51.195.244.187
*Generated via IPDebrief Analysis*
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**Key Risk Indicators**
- Risk Score: 50 (Moderate Risk)
- Subnet Abuse Density: 69% (high_abuse classification)
- Network Provider: OVH (ASN 16276)
- Geolocation: London, UK (inferred via DNS and geolocation signals)
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**Ownership & Infrastructure**
- Registered Owner: Ahrefs Pte Ltd (legitimate domain: ahrefs.net)
- Network Role: CloudCompute Hosting (OVH infrastructure)
- Subnet: 51.195.244.187/24
- Neighbor Risk: 100 IPs in subnet classified as medium/high risk (abuse density: 69%)
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**Threat & Behavior Analysis**
- Malicious Indicators: No direct threats (no blacklists, campaigns, or DNS abuse detected).
- DNS: Resolves to `proxy-uk000-san187.ahrefs.net` (valid domain, no malicious subdomains).
- Network Activity:
- BGP Prefix: 51.195.0.0/16 (OVH-managed)
- Route Stability: Unstable (route changes in last 30 days)
- DNSSEC: Validated
- CAA Records: Present (no misconfigurations detected)
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**Observation History**
- Recent Activity:
- High abuse density in subnet observed on 2026-06-09.
- No persistent malicious behavior (threat persistence days: 0).
- No DNS or geolocation anomalies detected.
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**Neighborhood Analysis**
- Subnet Siblings: 255 IPs (197 active, 176 flagged as threats).
- Risk Spread: 100% of neighbors classified as medium/high risk (abuse density: 69%).
- Notable Neighbors:
- 51.195.244.0–51.195.244.4: All flagged as medium risk.
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**Recommended Actions**
1. Monitor Subnet: Due to high abuse density, closely monitor traffic from 51.195.244.187/24 for unusual patterns.
2. Verify Access Controls: Ensure cloud compute instances (OVH) have strict access policies.
3. Check for Compromised Hosts: Investigate potential lateral movement within the subnet.
4. DNS Validation: Confirm DNSSEC and CAA records are correctly configured for `ahrefs.net`.
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Conclusion: While the IP itself shows no direct malicious activity, its subnet has a high risk profile. The SOC should prioritize monitoring the 51.195.244.0/24 subnet and validate the security posture of associated cloud infrastructure.
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-san187.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk000-san187.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 | 36% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-21 21:00:55 UTC |
| Last Seen | 2026-06-28 16:19:49 UTC |
| Profile Built | 2026-06-29 04:24:50 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.