## IP Intelligence Briefing: 198.244.240.159
Classification: Moderate Risk | Provider: OVH | Location: London, GB
Executive Summary
IP 198.244.240.159 is a cloud hosting infrastructure address operated by OVH (ASN 16276) under Ahrefs Pte Ltd Dmytro. The IP resolves to a DNS hostname (proxy-uk006-san159.ahrefs.net) within the ahrefs.net domain and is classified as cloud compute infrastructure. Current risk assessment indicates moderate risk (score 40) with no active threat indicators or known malicious campaigns.
Infrastructure Profile
| Attribute | Value |
|---|---|
| **Risk Score** | 40 (Moderate Risk) |
| **Provider** | OVH |
| **Organization** | Ahrefs Pte Ltd Dmytro |
| **ASN** | 16276 |
| **Country** | GB (London) |
| **Infrastructure Type** | CloudCompute / Hosting |
| **DNS Resolution** | proxy-uk006-san159.ahrefs.net |
| **Open Services** | None detected |
Neighborhood Context
The IP resides in subnet 198.244.240.0/24, which demonstrates elevated abuse density:
- Abuse Density: 0.7031 (high_abuse classification)
- Total Siblings: 256 IPs
- Active Siblings: 158
- Threat Siblings: 180
- Inherited Risk: 28
All sampled neighbors in the /24 subnet maintain medium risk scores (40-50), indicating consistent operational patterns within the infrastructure block rather than isolated malicious activity.
Observational History
Analysis of 23 observations reveals:
- Recent classification: high_abuse subnet density
- Provider identification: OVH cloud infrastructure
- DNS activity: Consistent ahrefs.net domain resolution
- Geographic inference: GB with 750km accuracy radius
- Operator score: 0.2174 (Minimal threat operator)
- No ownership or threat persistence changes detected
Control Plane Indicators
- BGP Prefix: 198.244.128.0/17
- Route Stability: Unstable (false)
- DNSSEC: Valid
- DNSBL Listings: 1 of 8 total lists
- RPKI State: Not verified
- IRR Consistency: Not verified
Threat Assessment
Current Status: No active threat indicators detected
- Known Campaigns: None
- Blacklist Count: 0
- Tor Exit/Proxy/VPN: False
- Known Attacker: False
- Spam Source: False
- Certificate Matches: 0
Risk Factors:
1. Subnet classified as high_abuse due to density metrics
2. Route instability detected in control plane
3. Single DNSBL listing among 8 evaluated lists
Recommended Actions
1. Monitoring: Maintain standard monitoring; no immediate blocking required
2. Allow Rules: Permitted traffic from ahrefs.net infrastructure
3. Firewall Configuration: No specific iptables/nftables rules recommended
4. Investigation Priority: Medium (contextual risk from neighborhood density, not IP-specific threat)
---
Generated: IPDebrief Intelligence Platform
Status: Information current as of most recent observation
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-uk006-san159.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk006-san159.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 | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 17% | 2 | 3 |
| reputation | 27% | 1 | 3 |
| geolocation | 37% | 2 | 3 |
| Overall | 21% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-11 21:44:05 UTC |
| Last Seen | 2026-06-27 20:22:34 UTC |
| Profile Built | 2026-06-28 14:28:09 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 27 |
Full dossier details are available via our API.