51.195.244.188
IP Intelligence Briefing: 51.195.244.188
Date: 2026-06-08
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Owned by Ahrefs Pte Ltd (AS16276, OVH).
- Geolocation: London, England (GB).
- Network Role: CloudCompute infrastructure (OVH).
- Threat Indicators: No direct malicious activity detected.
- DNS: Linked to `proxy-uk000-san188.ahrefs.net` (ahrefs.net).
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**2. Observation History**
- Recent Activity:
- Detected in a high-abuse subnet (51.195.244.188/24) with 0.5257 abuse density.
- Threat Signals: 7 pulse alerts (unknown campaigns), 133 threat siblings in subnet.
- Geo Validation: Plausible (473.7 km from claimed location, 92ms avg RTT).
- Stability: Subnet has 140 active IPs, 133 flagged as threats.
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**3. Relationships**
- Network Associations:
- Part of OVH network (AS16276).
- Linked to ahrefs.net (DNS PTR, CAA records).
- Subnet Context:
- High-abuse classification with 21 inherited risk points.
- 140 active siblings, 133 flagged as threats.
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**4. Neighborhood Analysis**
- Subnet: 51.195.244.188/24.
- Risk Distribution:
- 98 IPs rated medium risk (40–50 score).
- 2 IPs rated low risk.
- Abuse Density: 0.5257 (high risk).
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**5. Recommendations**
- Monitor Subnet: The high abuse density and 133 threat siblings suggest potential for lateral movement or compromised hosts.
- Verify DNS: Confirm `proxy-uk000-san188.ahrefs.net` is legitimate, as no malicious indicators were found.
- Block Subnet: Consider blocking the entire 51.195.244.0/24 subnet if traffic from this range is suspicious.
- Check for Campaigns: Investigate if the 7 pulse alerts correlate with known Ahrefs or OVH campaigns.
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Note: No direct malicious activity detected, but the subnet’s abuse classification warrants closer scrutiny.
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-san188.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk000-san188.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 | 29% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 09:25:03 UTC |
| Last Seen | 2026-06-28 07:14:17 UTC |
| Profile Built | 2026-06-29 01:19:41 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
Full dossier details are available via our API.