54.39.203.133
IP Intelligence Briefing: 54.39.203.133
Date: 2026-06-12
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**1. Risk Profile**
- Overall Risk: Moderate (Risk Score: 50)
- Provider: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (Hosting provider)
- Geolocation: United States (New York), inferred via DNS and network routing.
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**2. Threat Indicators**
- No Malicious Activity Detected:
- No known attacker, spam source, or blacklist entries.
- Zero threat indicators (DNS, TLS, or network scans).
- Subnet Abuse Density: 0% (low risk in 54.39.203.0/24).
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**3. Network Context**
- Hosting Role: CloudCompute infrastructure (OVH).
- DNS Associations:
- Linked to `proxy-ca008-san133.ahrefs.net` (Ahrefs domain).
- Neighbor Analysis:
- 100 IPs in 54.39.203.0/24 subnet.
- 81 medium-risk IPs, 19 low-risk IPs. No high-risk neighbors.
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**4. Historical Observations**
- Recent Activity (Last 30 Days):
- Minimal risk score (0.2174) with stable routing.
- No persistent malicious behavior or ownership changes.
- DNSSEC and CAA records validated; no DNSBL listings.
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**5. Actionable Insights**
- Monitor Subnet: Track 54.39.203.0/24 for sudden increases in abuse density.
- Verify Legitimacy: Confirm Ahrefs’ use of this IP via domain registration and service contracts.
- No Immediate Mitigation Required: No evidence of active threats or malicious activity.
Recommendation: Maintain current monitoring posture. Block or investigate if this IP is associated with new threats in the future.
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*Generated using IPDebrief threat intelligence tools.*
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-san133.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san133.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 | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 22% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-31 17:24:39 UTC |
| Last Seen | 2026-06-29 08:55:18 UTC |
| Profile Built | 2026-06-29 09:04:36 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 23 |
Full dossier details are available via our API.