54.39.203.86
IP Intelligence Briefing: 54.39.203.86
Date: 2026-06-03
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059687)
- Geolocation: Canada (QC, Beauharnois)
- Network Role: CloudCompute (OVH infrastructure)
- Threat Indicators: No direct malicious activity detected.
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**2. Threat Observations**
- Subnet Abuse Density: 0.506 (High Abuse classification).
- Inherited Risk: 20% (subnetwork risk).
- Recent Activity:
- Subnet abuse density observed (June 3, 2026).
- No active open ports, TLS certificates, or banners detected.
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**3. Network Relationships**
- Shared Network: OVH-CUST-281059687 (54.39.203.0/24).
- Domain Link: PTR hostname `proxy-ca008-san86.ahrefs.net` (Ahrefs Pte Ltd).
- DNSSEC: Validated.
- CAA Records: Present.
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**4. Neighborhood Analysis**
- Subnet: 54.39.203.0/24 (256 IPs).
- Risk Distribution:
- 85 IPs: Medium risk (score 40).
- 15 IPs: Low risk (score 25).
- Abuse Density: 50.6% (high abuse classification).
- Notable Neighbors:
- IPs with risk scores ≥40 are flagged for further investigation.
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**5. Behavioral Insights**
- Cloud Compute: Likely a virtualized instance (no services exposed).
- Proxy Activity: Associated with Ahrefs' proxy infrastructure.
- BGP Stability: Route stability flagged as "not stable."
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**6. Recommendations**
1. Monitor Subnet: High abuse density in 54.39.203.0/24 suggests potential lateral movement risks.
2. Check Ahrefs Infrastructure: Verify if the proxy domain is linked to known malicious campaigns.
3. Network Segmentation: Isolate cloud instances from critical assets due to inherited subnet risk.
4. Continuous Scanning: Re-evaluate the subnet for emerging threats due to dynamic abuse density.
Note: No direct malicious indicators found, but subnet-level risks warrant closer scrutiny.
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Source: IPDebrief Threat Intelligence Platform
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059687 |
| CIDR Block | 54.39.203.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca008-san86.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san86.ahrefs.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 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 | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:29 UTC |
| Last Seen | 2026-06-27 08:27:42 UTC |
| Profile Built | 2026-06-28 02:34:00 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 27 |
Full dossier details are available via our API.