54.39.0.125
IP Intelligence Briefing: 54.39.0.125
Date: June 14, 2026
---
**1. Core Profile**
- Risk Score: Moderate (40/100)
- Ownership: OVH (ASN 16276), registered to *Dmytro, Ahrefs Pte Ltd*.
- Geolocation: Canada (QC, Beauharnois), 3000km accuracy radius.
- Network Role: Hosting service (firewalled, no public services).
- Threat Indicators: No direct malicious activity detected (no blacklists, Tor, or spam).
---
**2. Observation History**
- Recent Activity:
- Last observed June 14, 2026 (confidence 60%).
- Subnet abuse density: 0.5341 (high_abuse classification).
- Stability score: Minimal (operator score 0.2174).
- Historical Trends:
- No persistent malicious behavior (threat persistence days: 0).
- Subnet risk inherited from 21% of neighbors.
---
**3. Relationships & Connections**
- Network Affiliation:
- Part of OVH-CUST-281059683 (54.39.0.0/24).
- Linked to Ahrefs Pte Ltd via DNS hostname *proxy-ca004-san125.ahrefs.net*.
- DNS Configuration:
- PTR record: *proxy-ca004-san125.ahrefs.net*.
- No SPF/DMArc records; DNSSEC and CAA records present.
- Control Plane:
- BGP prefix: 54.39.0.0/16; route stability: unstable.
- RPKI state: Not validated; IRR consistency: unknown.
---
**4. Neighborhood Analysis**
- Subnet: 54.39.0.0/24 (249 IPs).
- Risk Distribution:
- 133 IPs flagged as high-risk (medium-low abuse density).
- 11 IPs with low risk; 89 IPs with medium risk.
- Neighbor Risks:
- 100% of neighbors in subnet show no direct malicious activity.
- Subnet abuse density: 0.5341 (high_abuse classification).
---
**5. Actionable Insights**
- SOC Recommendations:
- Monitor subnet for lateral movement or coordinated attacks.
- Block high-risk neighbors (133 IPs) in 54.39.0.0/24.
- Verify Ahrefs Pte Ltd legitimacy; check for linked campaigns.
- Review DNSSEC/CAA configuration for email security gaps.
- Threat Context:
- IP is part of a hosting network with mixed risk; no direct threat to this IP.
- Subnet’s high abuse density suggests potential for broader network compromise.
---
Product: IPDebrief | Copyright: 2026 Jason Alberino. All rights reserved.
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-san125.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca004-san125.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 | 13% | 1 | 1 |
| services | 20% | 2 | 3 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:28 UTC |
| Last Seen | 2026-06-27 07:57:11 UTC |
| Profile Built | 2026-06-28 02:03:11 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 28 |
Full dossier details are available via our API.