54.39.210.91
IP Intelligence Briefing: 54.39.210.91/32
Date: 2026-06-09
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Owned by OVH-CUST-281059686 (Dmytro, Ahrefs Pte Ltd, AS16276).
- Geolocation:
- Country: Canada (QC, Beauharnois).
- Plausibility: Partially validated (3000km accuracy radius).
- Network Role:
- Cloud Compute: Hosted by OVH, no public services (firewalled).
- Subnet: 54.39.210.0/24.
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**2. Threat & Behavior**
- Threat Indicators:
- No malicious indicators, abuse confidence score not reported.
- DNS: Resolves to `proxy-ca007-san91.ahrefs.net` (Ahrefs).
- Services:
- No open ports or TLS certificates detected.
- No HTTP server banners or domain associations.
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**3. Observation History**
- Recent Activity:
- Subnet abuse density: 61.72% (high_abuse classification).
- Inherited risk: 24 (from subnet).
- Stability: Route stability score: 0.2174 (Minimal operator risk).
- Geolocation Consistency:
- Inferred location (latitude 45.3161, longitude -73.8736) matches Quebec, Canada.
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**4. Network Relationships**
- Linked Entities:
- OVH-CUST-281059686 (same network).
- Ahrefs (hosted domain: `ahrefs.net`).
- BGP:
- Origin ASN: AS16276.
- BGP prefix: 54.39.0.0/16.
- Route stability: 0 changes in 30 days.
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**5. Neighborhood Analysis**
- Subnet: 54.39.210.0/24 (256 IPs).
- Risk Distribution:
- High Risk: 0 IPs.
- Medium Risk: 98 IPs (61.72% abuse density).
- Low Risk: 1 IP.
- Notable Neighbors:
- 54.39.210.0–54.39.210.4 show similar risk scores (40–50).
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**6. Recommendations**
- Monitor Subnet: High abuse density in 54.39.210.0/24 warrants closer scrutiny.
- Verify Geolocation: Validate Canadian origin with additional probes.
- Check Cloud Provider: Ensure OVH compliance with security best practices for hosted infrastructure.
- Track DNS: Monitor `ahrefs.net` for potential domain-based threats.
Note: No immediate mitigation required, but ongoing monitoring is advised due to subnet risk context.
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*Generated by IPDebrief. All data sourced from real-time intelligence feeds.*
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-281059686 |
| CIDR Block | 54.39.210.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca007-san91.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san91.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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 22% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-21 14:58:06 UTC |
| Last Seen | 2026-06-28 14:46:10 UTC |
| Profile Built | 2026-06-29 02:51:06 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.