IP Intelligence Briefing: 51.195.183.205
Date: 2026-06-14
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**1. Risk Profile**
- Overall Risk: Moderate (Risk Score: 40/100)
- Provider: OVH (ASN: AS16276)
- Geolocation: London, England, UK (High plausibility, 750km accuracy radius)
- Network Role: Cloud compute instance (OVH-hosted, no residential/mobile indicators)
- Threat Indicators: No direct malicious activity (no spam, Tor, or known attacker flags).
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**2. Subnet Analysis**
- Subnet: 51.195.183.205/24
- Abuse Density: 58.59% (high-risk subnet)
- Neighbor Risk Distribution:
- 98 IPs with medium risk (40/100 average)
- 2 IPs with low risk
- No high-risk IPs reported
- Inherited Risk: 23 (likely from subnet-level abuse patterns).
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**3. Ownership & Infrastructure**
- Organization: Ahrefs Pte Ltd (Dmytro)
- Network Classification:
- Hosting: Yes
- CDN/VPN/Proxy: No
- Cloud Compute: Yes (OVH infrastructure)
- DNS:
- PTR hostname: `proxy-uk003-san205.ahrefs.net`
- No email authentication records (SPF/DMArC).
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**4. Observation History**
- Latest Signals (2026-06-14):
- Cloud compute infrastructure (OVH)
- Subnet abuse density: 58.59% (high)
- No recent threat indicators (0 pulses, 0 blacklist hits).
- Historical Trends:
- Stable risk profile over 30 days (no spikes in malicious activity).
- BGP route stability: 100% (no route changes).
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**5. Relationships & Context**
- Linked Networks:
- 37 sibling IPs in OVH network (AS16276)
- 282347339 network group (OVH)
- Threat Correlation:
- No direct campaign or certificate matches.
- Subnet has 150 threat siblings (high abuse density).
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**6. Recommendations**
- Monitor Subnet: The 51.195.183.0/24 subnet has high abuse density. Continuously monitor for suspicious activity.
- Block/Allowlist:
- Consider allowing the IP for legitimate cloud compute traffic (OVH infrastructure).
- If part of a larger attack pattern, block the subnet to mitigate risk.
- Verify DNS: Confirm ownership of `proxy-uk003-san205.ahrefs.net` to ensure no spoofing.
Note: No immediate action required for the IP itself, but subnet-level risks warrant closer scrutiny.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | โ |
| CIDR Block | 51.195.0.0/16 |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | proxy-uk003-san205.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk003-san205.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 31% | 2 | 4 |
| routing | 20% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 26% | 3 | 4 |
| reputation | 30% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 25% | 12 | 19 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:04:25 UTC |
| Last Seen | 2026-06-27 06:34:10 UTC |
| Profile Built | 2026-06-28 06:42:15 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 32 |
Full dossier details are available via our API.