# IP Intelligence Briefing: 54.38.147.243
## Executive Summary
IP 54.38.147.243 is a cloud compute infrastructure endpoint associated with Ahrefs Pte Ltd operating under OVH cloud services. The IP carries a moderate risk score of 40 and is classified within a high-abuse density subnet. The address hosts no active services and appears to be a proxy endpoint for ahrefs.net.
## Technical Profile
- Risk Score: 40/100 (Moderate Risk)
- Provider: OVH (AS16276)
- Organization: Ahrefs Pte Ltd Dmytro
- Geolocation: London, England, GB (750km accuracy radius)
- Network Role: CloudCompute infrastructure
- Infrastructure Type: Cloud provider
- DNS Resolution: proxy-uk005-san243.ahrefs.net (ahrefs.net)
## Threat Indicators
- DNSBL Listings: Listed on 1 of 8 total blacklists
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Active Threat Indicators: None detected
- Open Ports: None detected (firewalled/no services)
- TLS/Certificates: None active
## Network Neighborhood Analysis
- Subnet: 54.38.147.0/24
- Total Siblings: 256 IPs
- Active Siblings: 193
- Threat Siblings: 160
- Abuse Density: 62.5% (High Abuse classification)
- Inherited Risk: 25/100
- Neighbor Risk Distribution: 85 medium-risk, 15 low-risk neighbors
## Control Plane Analysis
- BGP Prefix: 54.38.0.0/16
- Route Stability: Unstable (isRouteStable: false)
- Operator Score: 0.2174 (Minimal)
- RPKI State: Not reported
- Route Changes (30-day): 0
- DNSSEC: Valid
## Observation History
The IP has 22 total observations recorded. Key temporal patterns include:
- Latest Observation (2026-06-18): Confirmed high-abuse subnet classification with 62.5% abuse density
- Threat Persistence: 0 days (not persistently malicious)
- Ownership Changes: 0
- Campaign Correlation: None detected
## Intelligence Assessment
The IP address functions as a cloud-hosted proxy endpoint for ahrefs.net infrastructure. While the individual IP shows moderate risk, the subnet exhibits elevated abuse density. The absence of active services and open ports suggests this is a controlled endpoint rather than an actively exploited system. The high-abuse neighborhood indicates broader subnet-level activity that warrants monitoring.
## SOC Recommendations
1. Monitoring Priority: Medium โ Monitor for anomalous traffic patterns from this subnet
2. Firewall Rules: Apply rate limiting for outbound connections to this IP
3. Threat Hunting: Investigate if traffic patterns correlate with known Ahrefs service endpoints
4. Geofencing: Consider restricting access based on London, GB geolocation if business requirements demand
5. DNSBL Monitoring: Track changes in blacklist listings for this IP
Classification: Cloud Infrastructure โ Moderate Risk
Last Updated: 2026-06-18
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-uk005-san243.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk005-san243.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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 23% | 10 | 16 |
| 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 23:04:28 UTC |
| Last Seen | 2026-06-27 07:53:50 UTC |
| Profile Built | 2026-06-28 01:59:47 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 27 |
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