54.39.203.85
IP Intelligence Briefing: 54.39.203.85
*Generated via IPDebrief tools: Profile, History, Relationships, Neighbors*
---
**Core Profile**
- Risk Score: 40 (Moderate Risk)
- Provider: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (Dmytro)
- Geolocation: Registered to Quebec, Canada, but geo-validation flags it as implausible (RTT discrepancy suggests potential spoofing).
- Network Role: Cloud compute infrastructure (OVH Hosting).
- Threat Indicators: No malicious activity detected (no abuse confidence, blacklists, or campaigns).
---
**Observation History**
- Recent Activity:
- Subnet abuse density: 0.5469 (high abuse classification).
- 17 observations over 30 days, with stable ownership and no persistent threats.
- Geo-validation anomalies (RTT < minimum possible for distance).
---
**Network Relationships**
- Connected Entities:
- Same network: OVH-CUST-281059687 (54.39.203.0/24).
- DNS association: proxy-ca008-san85.ahrefs.net (hostname linked to Ahrefs).
- Subnet Analysis:
- 256 total IPs, 183 active, 140 flagged as threats.
- Abuse Density: 54.69% (high-risk subnet).
---
**Neighbor Risk**
- Subnet: 54.39.203.85/24
- Risk Distribution:
- 98 IPs: Medium risk (score 40).
- 2 IPs: Low risk.
- Inherited Risk: 21 (substantial exposure from neighboring IPs).
---
**Actionable Insights**
1. Monitor Subnet: The high abuse density in 54.39.203.0/24 suggests potential compromise or shared infrastructure risks.
2. Verify DNS: Investigate proxy-ca008-san85.ahrefs.net for legitimacy, as it is linked to this IP.
3. Geo-Validation: Consider spoofing or misconfiguration risks due to implausible geolocation.
4. Network Segmentation: Isolate cloud compute workloads to limit lateral movement if compromised.
Conclusion: While the IP itself shows no direct malicious activity, its association with a high-risk subnet warrants closer scrutiny. SOC teams should prioritize monitoring this subnet and validating DNS associations.
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-san85.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san85.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 | 37% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 32% | 1 | 3 |
| geolocation | 40% | 2 | 3 |
| Overall | 26% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-24 12:35:27 UTC |
| Last Seen | 2026-06-29 00:16:00 UTC |
| Profile Built | 2026-06-29 06:18:11 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 21 |
Full dossier details are available via our API.