# IP Intelligence Briefing: 51.195.183.114
## Executive Summary
IP 51.195.183.114 is a cloud compute resource operated by OVH (ASN 16276) in London, England. The IP resolves to the ahrefs.net domain with PTR hostname proxy-uk003-san114.ahrefs.net. Current risk assessment indicates moderate risk (score: 40) with classification as "high_abuse" subnet. The IP is currently firewalled with no active services detected.
## Technical Profile
Ownership & Infrastructure:
- ASN: 16276 (OVH)
- Organization: Ahrefs Pte Ltd Dmytro
- Registration: ARIN
- Infrastructure Type: CloudCompute (Hosting service)
- Anycast: No
Geolocation:
- Country: United Kingdom (GB)
- Region: England
- City: London
- Coordinates: 51.8582°N, 0.0874°E (claimed)
- Distance from claim: 500.4 km
- Minimum possible RTT: 10.01ms
- Observed RTT: 86-91ms
DNS Configuration:
- Domain: ahrefs.net
- PTR: proxy-uk003-san114.ahrefs.net
- Forward Resolution: 1 hostname
- DNSSEC: Valid
- CAA Records: Present
Network State:
- Open Ports: None detected
- Status: Firewalled / No Services
- Route Stability: Unstable
- DNSBL: Listed on 1 of 8 feeds
## Threat Assessment
Current Risk Score: 40 (Moderate Risk)
Threat Indicators:
- Is Tor Exit: No
- Is Known Attacker: No
- Is Spam Source: No
- Blacklist Count: 0
- Threat Feeds: None active
- Known Campaigns: None identified
Control Plane:
- BGP Prefix: 51.195.0.0/16
- Route Changes (30d): 0
- MOAS: No
- RPKI State: Not reported
## Neighborhood Analysis
Subnet: 51.195.183.0/24
Abuse Profile:
- Abuse Density: 76.95% (High)
- Classification: high_abuse
- Inherited Risk: 30
- Total Siblings: 256
- Active Siblings: 225
- Threat Siblings: 197
Risk Distribution (Sampled): 100 neighbors analyzed
- High Risk: 0
- Medium Risk: 15
- Low Risk: 85
## Observation History
Total Observations: 18
Recent Signals (June 2026):
- Abuse classification consistently marked as "high_abuse"
- Provider identified as OVH
- Geographic signals consistently point to GB
- DNS resolution consistently confirmed to ahrefs.net
- RTT measurements stable: 86-91ms
Temporal Analysis:
- Threat Persistence Days: 0
- Threat Observation Count: 1
- Ownership Changes: 0
- Not Persistently Malicious: True
## Relationships
Detected Relationships: 40 total
- Primary Classification: Same Network (OVH_282347339)
- All relationships map to OVH network infrastructure
## Security Recommendations
Firewall Rules:
- No specific blocking recommendations due to lack of active threat indicators
- Monitor for outbound connections from this IP to external services
- Consider rate limiting if traffic patterns indicate abuse
Monitoring Priorities:
1. Track subnet-level abuse trends (51.195.183.0/24 shows 76.95% abuse density)
2. Monitor for service activation on previously firewalled ports
3. Watch for DNSBL additions or removals
4. Correlate with other 197 threat siblings in subnet
## Conclusion
IP 51.195.183.114 presents moderate risk within a high-abuse density OVH subnet. While no active threat indicators are present, the subnet classification warrants continued monitoring. The IP belongs to a legitimate hosting infrastructure (ahrefs.net) but operates in a network environment with elevated abuse characteristics. Recommend baseline monitoring without immediate blocking.
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 | โ |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | proxy-uk003-san114.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk003-san114.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 | Hosting โ Infrastructure provider without advanced routing |
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 | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 21% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-22 09:13:24 UTC |
| Last Seen | 2026-06-28 18:47:44 UTC |
| Profile Built | 2026-06-29 06:53:02 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.