54.39.0.151
IP Intelligence Briefing: 54.39.0.151
Date: June 15, 2026
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**1. Risk Assessment**
- Overall Risk Score: Low (25/100)
- Provider Score: 0 (OVH)
- Authority Score: 0
- Stability Score: 0
- Threat Indicators: No malicious activity detected (no blacklists, spam, or campaigns).
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**2. Ownership & Geolocation**
- ASN: 16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Geolocation:
- Country: Canada (QC, Beauharnois)
- Latitude/Longitude: Unavailable
- Geo Plausibility: False (RTT anomaly suggests potential misclassification)
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**3. Network Role**
- Infrastructure: Cloud Compute (OVH)
- Services: No open ports or TLS certificates detected
- Hosting: Yes (likely a server instance)
- Subnet: 54.39.0.0/24
- Subnet Abuse Density: 0% (clean network)
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**4. Threat Observations**
- Historical Signals (Last 15 Days):
- Minimal risk consistently reported (operator score: 0.2174).
- No DNS anomalies, spam, or malware indicators.
- Geolocation inconsistencies (RTT mismatch for distance).
- Threat Persistence: No observed malicious activity.
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**5. Relationships & Dependencies**
- DNS Associations:
- Linked to `proxy-ca004-san151.ahrefs.net` (Ahrefs domain).
- Network Relationships:
- Shares subnet with 248 IPs (125 active, 121 flagged as high-risk).
- No direct connections to known malicious entities.
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**6. Recommendations**
- Monitoring: Track subnet (54.39.0.0/24) for unusual traffic due to mixed risk sibling IPs.
- Validation: Verify geolocation accuracy, as RTT data suggests potential spoofing.
- DNS Security: Ensure DNSSEC and CAA records are enforced for `ahrefs.net`.
- Firewall: No immediate action required for this IP, but consider rate-limiting subnet traffic if anomalies emerge.
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Conclusion: 54.39.0.151 is a low-risk cloud compute instance associated with Ahrefs. While the IP itself is benign, its subnet contains a mix of high-risk and low-risk IPs, warranting closer monitoring.
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-281059683 |
| CIDR Block | 54.39.0.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca004-san151.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca004-san151.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 | 34% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 40% | 2 | 3 |
| Overall | 23% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 12:24:21 UTC |
| Last Seen | 2026-06-28 21:46:12 UTC |
| Profile Built | 2026-06-29 03:49:18 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 22 |
Full dossier details are available via our API.