54.39.203.8
IP Intelligence Briefing: 54.39.203.8/32
*Generated via IPDebrief Threat Intelligence Platform*
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**1. Core Profile**
- Risk Score: Moderate (40/100)
- Provider: OVH (AS16276)
- Ownership: Registered to Ahrefs Pte Ltd (OVH-CUST-281059687)
- Geolocation:
- Claimed Location: Quebec, Canada (Beauharnois)
- Validation Status: Invalid (RTT anomalies suggest spoofed geolocation)
- Network Role:
- Cloud Compute (OVH hosting infrastructure)
- No open ports/services detected
- No TLS certificates or HTTP banners
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**2. Threat & Abuse Context**
- Threat Indicators:
- No direct malicious activity (no DNS/DCC/ThreatFeeds indicators)
- Subnet Abuse Density: High (0.5373)
- Neighboring IPs: 100 total in 54.39.203.8/24
- 95% Medium Risk (40–50 score)
- 5% Low Risk
- Subnet Classification: High Abuse
- DNS Associations:
- Linked to proxy-ca008-san8.ahrefs.net (Ahrefs infrastructure)
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**3. Temporal Observations**
- Recent Activity:
- Last observed June 15, 2026 (AlienVault OTX signal)
- Stability: Unstable routing (route changes in 30d)
- Geolocation Anomalies:
- RTT of 27ms vs. expected 112.6ms for 5,629km distance
- Likely spoofed or misconfigured geolocation
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**4. Relationships & Network Context**
- Network Relationships:
- Same Subnet: 255 IPs in 54.39.203.8/24
- Same Provider: OVH (AS16276)
- Same Organization: Ahrefs Pte Ltd
- DNS Associations:
- proxy-ca008-san8.ahrefs.net (likely internal proxy or CDN node)
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**5. Recommendations**
1. Monitor Subnet Activity:
- The 54.39.203.8/24 subnet has high abuse density and high-risk neighbors. Investigate if this IP is part of a larger compromised network.
2. Verify Geolocation:
- The IP’s claimed location in Quebec, Canada, is inconsistent with observed RTT. Validate if this is a spoofed or misconfigured geolocation.
3. Check Ahrefs Infrastructure:
- Ahrefs is a legitimate hosting provider, but the subnet’s abuse classification suggests potential misuse. Confirm if this IP is part of a known campaign or compromised node.
4. Implement Network Segmentation:
- Consider isolating this subnet or applying strict access controls due to its high abuse classification.
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*Data sourced from IPDebrief. Use with operational security protocols.*
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-san8.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san8.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 | 36% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 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 | 2026-05-22 03:10:33 UTC |
| Last Seen | 2026-06-28 18:02:24 UTC |
| Profile Built | 2026-06-29 06:05:37 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.