54.39.203.237
IP Intelligence Briefing: 54.39.203.237
Date: 2026-06-01
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Network: OVH-CUST-281059687
- Geolocation:
- Country: Canada (QC, Beauharnois)
- Coordinates: Latitude 56.13, Longitude -106.35 (approximate)
- Network Role:
- Type: CloudCompute (OVH)
- Hosting: Yes
- Infrastructure: Cloud-based, no residential/mobile indicators
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**2. Threat & Security Indicators**
- Threat Activity:
- No malicious indicators (no abuse reports, spam, or known attacker associations).
- DNS: Resolves to `proxy-ca008-san237.ahrefs.net` (Ahrefs subdomain).
- Security Controls:
- DNSSEC: Valid
- CAA Records: Present
- Route Stability: Unstable (BGP route changes detected in 30 days).
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**3. Observation History**
- Last 30 Days:
- Risk Trends: Stable low risk.
- Geolocation: Consistent Canadian origin.
- Network Changes: Subnet abuse density increased slightly (0.4578).
- Key Signals:
- No honeypot hits or enumeration attempts.
- No TLS/HTTP services or open ports detected.
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**4. Network Relationships**
- Subnet: 54.39.203.0/24
- Neighbors:
- Total Siblings: 249 IPs
- Active Neighbors: 126
- Threat Neighbors: 114 (45.78% abuse density)
- Key Associations:
- Linked to OVH network (ASN 16276).
- DNS ties to Ahrefs infrastructure.
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**5. Recommendations**
- Monitor Subnet: Elevated abuse density in the 54.39.203.0/24 subnet warrants closer scrutiny of neighboring IPs.
- Verify DNS: Confirm legitimacy of `proxy-ca008-san237.ahrefs.net` through Ahrefs’ public records.
- Baseline Traffic: Establish baseline for cloud-hosted services to detect anomalies (e.g., unexpected outbound connections).
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Conclusion:
54.39.203.237 is a low-risk cloud-hosted IP associated with Ahrefs. While no direct threats are detected, the subnet’s moderate abuse density suggests potential for lateral movement or compromised neighbors. SOC teams should prioritize monitoring the subnet and validating DNS relationships.
Tools Used: `ipdebrief_profile`, `ipdebrief_history`, `ipdebrief_relationships`, `ipdebrief_neighbors`.
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-san237.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san237.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 | 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 18:01:02 UTC |
| Profile Built | 2026-06-29 06:05:37 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.