54.38.147.103
IP Intelligence Briefing: 54.38.147.103
Date: 2026-06-08
---
**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership: Ahrefs Pte Ltd (OVH ASN 16276)
- Geolocation: London, England, UK (GeoPlausible: True)
- Network Role: CloudCompute (OVH infrastructure, hosting provider)
- Threat Indicators: No direct malicious activity detected (no DNSBL listings, no known campaigns).
---
**2. Network Context**
- Subnet: 54.38.147.103/24
- Subnet Abuse Density: 37.89% (mixed classification, 97 threat siblings in 256 total IPs)
- Neighbor Risk: 17 high-risk IPs, 83 low-risk IPs in subnet.
---
**3. Observational History**
- Last 30 Days:
- Stable network role (CloudCompute, OVH).
- No spikes in threat signals (abuse confidence score: 0).
- DNS resolution consistent (proxy hostname: `proxy-uk005-san103.ahrefs.net`).
---
**4. Relationships**
- Linked Entities:
- Subnet: `OVH_282347341` (high overlap with neighboring IPs).
- DNS: `ahrefs.net` (CAA records validated, DNSSEC enabled).
- No direct connections to known malicious networks or domains.
---
**5. Recommendations**
- Monitoring: Watch subnet for unusual activity due to mixed abuse density.
- Firewall Rules:
- Allow traffic from trusted networks; block unknown sources in the subnet.
- Monitor DNS queries to `ahrefs.net` for anomalies.
- Validation: Confirm Ahrefs’ use of this IP via WHOIS or direct contact.
---
Conclusion: This IP is a legitimate OVH-hosted cloud server associated with Ahrefs. No immediate threat detected, but subnet-level monitoring is advised due to surrounding network risks.
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 | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-uk005-san103.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk005-san103.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 | 35% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 22% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 23% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 03:36:41 UTC |
| Last Seen | 2026-06-28 08:34:08 UTC |
| Profile Built | 2026-06-29 02:38:39 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.