# IP INTELLIGENCE BRIEFING: 51.195.244.205/32
Date: 2026-06-14
Classification: Moderate Risk / Cloud Infrastructure
Risk Score: 40/100
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## EXECUTIVE SUMMARY
IP address 51.195.244.205 is a cloud computing resource operated by OVH (ASN 16276) within the United Kingdom. The IP is associated with the Ahrefs.net domain and is classified as hosting infrastructure. While the individual IP shows moderate risk (score 40), it resides within a high-abuse density subnet (51.195.244.0/24) with a 0.7137 abuse density score. The IP is currently firewalled with no services exposed.
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## OWNERSHIP & INFRASTRUCTURE
| Attribute | Value |
|---|---|
| **Provider** | OVH (ASN 16276) |
| **Organization** | Ahrefs Pte Ltd Dmytro |
| **Geolocation** | London, England, GB |
| **Infrastructure Type** | CloudCompute (Hosting) |
| **DNS Hostname** | proxy-uk000-san205.ahrefs.net |
| **Domain** | ahrefs.net |
| **Registration** | ARIN |
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## THREAT ASSESSMENT
Risk Indicators
- Risk Score: 40 (Moderate Risk)
- Abuse Confidence Score: Not available
- Blacklist Count: 0
- DNSBL Listed: 1 of 8 lists
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
Network Classification
- Cloud Provider: Yes (OVH)
- Hosting: Yes
- CDN: No
- VPN/Proxy: No
- Mobile: No
- Anycast: No
- Bogon: No
Service Status
- Open Ports: None detected
- TLS Certificate: None detected
- HTTP Title: None detected
- Status: Firewalled / No Services
---
## SUBNET ANALYSIS (51.195.244.0/24)
| Metric | Value |
|---|---|
| **Abuse Density** | 0.7137 (HIGH ABUSE) |
| **Inherited Risk** | 28 |
| **Total Siblings** | 255 |
| **Active Siblings** | 198 |
| **Threat Siblings** | 182 |
| **Risk Distribution** | 100 Medium Risk |
Observation: The /24 subnet exhibits high abuse density with approximately 71% of IPs classified as potential threats. This contextual information should be considered when assessing traffic from this CIDR block.
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## OBSERVATION HISTORY
Recent monitoring shows consistent infrastructure classification:
- Last Observed: 2026-06-14 11:56 UTC
- Operator Score: 0.2174 (Minimal)
- Geolocation Consensus: GB (55.38°N, -3.44°W)
- Subnet Classification: High Abuse (inherited risk: 28)
- Infrastructure: CloudCompute (OVH)
No significant risk escalation patterns detected in the observation window.
---
## NETWORK RELATIONSHIPS
- Total Relationships Identified: 58
- Primary Association: OVH_282347336 (Same Network)
- Correlated Entities: Multiple network-level relationships to OVH infrastructure
---
## RECOMMENDED ACTIONS
Firewall/IPS Rules
No specific firewall rules are recommended at this time. The IP is currently firewalled with no services exposed.
Monitoring Recommendations
1. Monitor Subnet Activity: Consider broader monitoring of 51.195.244.0/24 given the 0.7137 abuse density
2. DNS Query Monitoring: Track DNS queries to ahrefs.net for this IP's associated domains
3. Traffic Pattern Analysis: Monitor for any service discovery attempts (ports opening, banners)
Contextual Notes
- IP is associated with Ahrefs, a legitimate SEO analytics company
- Hosting infrastructure typically used for web services and analytics
- Moderate risk score within high-abuse subnet context
- No immediate threat indicators at the individual IP level
---
END OF BRIEFING
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-uk000-san205.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk000-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 | 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 | 32% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 24% | 2 | 3 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 23% | 2 | 2 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-08 17:18:08 UTC |
| Last Seen | 2026-06-27 13:59:25 UTC |
| Profile Built | 2026-06-28 08:04:44 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 28 |
Full dossier details are available via our API.