54.39.203.101
IP Intelligence Briefing: 54.39.203.101
Date: 2026-06-15
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership:
- ASN: AS16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Subnet: 54.39.203.0/24
- Geolocation:
- Country: Canada (QC, Beauharnois)
- Coordinates: Latitude 45.3161, Longitude -73.8736
- Network Role:
- Cloud hosting infrastructure (OVH)
- No active services or open ports detected
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**2. Threat Indicators**
- Malicious Activity: None detected (no indicators, spam, or campaigns).
- DNS Associations:
- Linked to `proxy-ca008-san101.ahrefs.net` (Ahrefs).
- Subnet Risk:
- Abuse Density: 0.4578 (moderate).
- Neighbor Analysis: 95/100 IPs in subnet have medium risk; 114 neighbors flagged as threats.
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**3. Historical Observations**
- Geolocation: Consistently reported as Canada (QC) since 2026-06-01.
- Network Stability: No significant changes in routing or ownership.
- Threat Trends: No persistent malicious behavior or campaign ties.
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**4. Relationships & Context**
- Linked Entities:
- Subnet: `54.39.203.0/24` (OVH-CUST-281059687).
- DNS: `proxy-ca008-san101.ahrefs.net` (Ahrefs).
- Infrastructure: Cloud-hosted, likely part of Ahrefs' infrastructure.
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**5. Recommendations**
- Monitoring: Track subnet neighbors for potential lateral movement or shared threats.
- Validation: Verify geolocation accuracy, as coordinates show inconsistency with reported city.
- Context: No immediate action required, but continuous monitoring is advised due to moderate subnet risk.
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Source: IPDebrief Intelligence Platform | Last Updated: 2026-06-15
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-san101.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san101.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 | 39% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 22% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 12:24:24 UTC |
| Last Seen | 2026-06-28 21:53:24 UTC |
| Profile Built | 2026-06-29 09:56:49 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.