54.39.203.236
IP Intelligence Briefing: 54.39.203.236
Date: 2026-06-14
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**1. Core Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership:
- ASN: AS16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Subnet: 54.39.203.0/24
- Geolocation:
- Country: Canada (QC, Beauharnois)
- Plausibility: Low (RTT anomaly detected)
- Network Role:
- CloudCompute instance (OVH)
- Hosting: Yes | CDN: No | Mobile: No | Residential: No
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**2. Threat Indicators**
- Malicious Activity: None detected
- DNS:
- PTR hostname: `proxy-ca008-san236.ahrefs.net`
- No email auth (SPF/DKIM) or domain hosting detected
- Services:
- No open ports or TLS certificates identified
- No HTTP server banners or vulnerabilities
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**3. Historical Observations**
- Consistency: Stable over 30 days
- Key Trends:
- No spikes in threat signals or geolocation changes
- Subnet abuse density increased slightly (0.4472)
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**4. Network Relationships**
- Linked Entities:
- Subnet: `54.39.203.0/24` (OVH)
- Organization: Ahrefs Pte Ltd
- Control Plane:
- BGP prefix: `54.39.0.0/16`
- Route stability: Low (frequent changes)
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**5. Neighborhood Analysis**
- Subnet Overview:
- Total IPs: 246 | Active IPs: 69 | Threat IPs: 110
- Risk Distribution:
- High: 0 | Medium: 84 | Low: 16
- Neighbors:
- Most IPs have low to medium risk scores (e.g., 54.39.203.0: 40/50).
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**6. Recommendations**
- Monitoring: Track subnet abuse density and ensure cloud instance compliance.
- Firewall: Consider restricting access to known services if unauthenticated traffic is observed.
- Validation: Verify geolocation anomalies (RTT mismatch for distance).
Conclusion: This IP is a legitimate OVH cloud instance associated with Ahrefs. While no direct threats are detected, its subnet contains mixed-risk activity. Monitor for unexpected behavior or lateral movement.
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-san236.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san236.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 | 26% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 22% | 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 23:04:28 UTC |
| Last Seen | 2026-06-27 08:23:41 UTC |
| Profile Built | 2026-06-28 02:29:26 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 27 |
Full dossier details are available via our API.