54.38.147.166
IP Intelligence Briefing: 54.38.147.166
*Generated via IPDebrief Analysis*
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**1. Core Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership: Ahrefs Pte Ltd (AS16276, OVH provider)
- Geolocation: London, England, GB (inferred via DNS and network signals)
- Network Role: Cloud compute instance (OVH infrastructure, no residential/mobile indicators)
- Threat Indicators: No malicious activity detected (no indicators, blacklists, or campaigns)
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**2. Observation History**
- Recent Activity:
- Last observed June 8, 2026, with stable network configuration.
- Subnet abuse density: 48.83% (historical data) but current neighborhood analysis shows 0% abuse density.
- No persistent malicious behavior or ownership changes.
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**3. Relationships & DNS**
- DNS Associations:
- Linked to `proxy-uk005-san166.ahrefs.net` (likely internal proxy infrastructure).
- No external domains or email authentication records.
- Network Relationships:
- Part of OVH network (AS16276), with 142 active siblings in the 54.38.147.166/24 subnet.
- 125 siblings flagged as high-risk, suggesting potential subnet compromise.
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**4. Neighborhood Analysis**
- Subnet: 54.38.147.166/24
- Risk Distribution:
- 51 IPs with medium risk (40–60 score), 49 with low risk.
- 0% abuse density reported, but historical data indicates 48.83% abuse density.
- Neighbor Risks:
- Mixed risk profile; recommend monitoring for lateral movement or compromised hosts.
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**5. Recommendations**
- Monitor Subnet: High-risk siblings in the subnet may indicate broader compromise.
- Verify DNS: Confirm `proxy-uk005-san166.ahrefs.net` is legitimate (no phishing or C2 indicators).
- Network Segmentation: Consider isolating cloud compute instances to limit lateral access.
- Subnet Scanning: Use active reconnaissance to validate neighbor risks, given conflicting abuse density data.
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*End of Briefing*
*Generated by IPDebrief – Threat Intelligence for SOC Analysts*
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-san166.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk005-san166.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 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 31% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 09:25:07 UTC |
| Last Seen | 2026-06-28 07:19:39 UTC |
| Profile Built | 2026-06-29 07:25:15 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.