54.38.147.16
IP Intelligence Briefing: 54.38.147.16
Date: 2026-06-09
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Ahrefs Pte Ltd (OVH network, ASN 16276)
- Geolocation: London, England, UK (inferred via multi-signal inference)
- Network Role: Cloud hosting infrastructure (OVH provider, no residential/mobile indicators)
- Threat Indicators: No malicious activity detected (no known campaigns, blacklists, or abuse reports).
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**2. Observation History**
- Recent Signals (30 Days):
- Stable network routing (BGP route stability score: 0.4348).
- Geolocation inferred via 2 data sources (accuracy ~750km).
- Subnet abuse density: 0.1984 (mostly clean, 50 threat siblings in /24).
- Behavioral Notes: No honeypot hits, no TLS/HTTP services detected, and no DNS anomalies.
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**3. Relationships**
- Network Associations:
- Linked to OVH network (AS16276) and Ahrefs' DNS hostname `proxy-uk005-san16.ahrefs.net`.
- Subnet Context:
- Part of `54.38.147.16/24` with 252 total IPs (56 active, 50 flagged as high-risk).
- Subnet abuse density: 19.84% (mixed risk, 60% medium-risk neighbors).
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**4. Threat & Mitigation**
- No Immediate Threats: No malware, phishing, or C2 indicators.
- Recommendations:
- Monitor subnet for unusual activity due to mixed risk neighbors.
- Validate DNS associations with Ahrefs' infrastructure.
- Maintain firewall rules to restrict access to this IP if it hosts sensitive services.
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Summary: 54.38.147.16 is a legitimate cloud-hosted IP associated with Ahrefs. While no direct threats are detected, its subnet contains a mix of high-risk and clean IPs. SOC teams should monitor for unexpected behavior in this subnet.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | — |
| CIDR Block | 54.38.0.0/16 |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-uk005-san16.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk005-san16.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 | 26% | 2 | 4 |
| routing | 20% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 22% | 3 | 4 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 12 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 23:50:45 UTC |
| Last Seen | 2026-06-28 10:44:03 UTC |
| Profile Built | 2026-06-29 04:48:47 UTC |
| Data Freshness | Live |
| Signal Types | 28 |
| Total Observations | 33 |
Full dossier details are available via our API.