54.39.6.169
IP Intelligence Briefing: 54.39.6.169/32
Date: 2026-06-14
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**1. Core Profile**
- Reputation: Moderate Risk (Risk Score: 40)
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Geolocation:
- Claimed: Beauharnois, Quebec, Canada (latitude 45.3161, longitude -73.8736)
- Validation: Geo-plausible flag false; RTT (30ms) inconsistent with 5,629km distance.
- Network Role: Hosting provider (OVH-CUST-281059680)
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**2. Threat Indicators**
- No direct malicious indicators: No malware, phishing, or exploit activity observed.
- DNS:
- PTR hostname: `proxy-ca001-san169.ahrefs.net`
- No email authentication (SPF/DKIM/DMArC) detected.
- Subnet Abuse:
- /24 subnet (54.39.6.0/24): Abuse density 0.5142 (high), with 81/100 neighbors classified as medium risk.
- Inherited risk: 20% from subnet-level abuse.
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**3. Historical Observations**
- RTT Anomalies:
- Multiple observations show RTT < 112.6ms (minimum expected for 5,629km), suggesting:
- Data center/CDN infrastructure.
- Potential routing manipulation or spoofing.
- Network Stability:
- Subnet classification: "high_abuse".
- 127/144 active neighbors flagged as high-risk.
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**4. Relationships & Dependencies**
- Linked Entities:
- OVH-CUST-281059680 (same subnet).
- Ahrefs.net (hostname: `proxy-ca001-san169.ahrefs.net`).
- Control Plane:
- DNSSEC valid, CAA records present.
- Listed in 1/8 DNSBLs (low priority).
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**5. Actionable Insights**
- Risk Context: While the IP itself is not malicious, its subnet has a high abuse density.
- Mitigation:
- Monitor traffic to/from this subnet for unusual patterns.
- Consider blocking high-risk neighbors (81/100) if they are not critical.
- Validate geolocation discrepancies (low RTT vs. distance).
- Investigation: Cross-check with Ahrefs' infrastructure to confirm legitimate hosting use.
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Summary: 54.39.6.169 is part of a high-abuse subnet linked to Ahrefs. No direct threats detected, but the surrounding network poses risks. Prioritize subnet-level analysis and traffic filtering.
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-281059680 |
| CIDR Block | 54.39.6.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca001-san169.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca001-san169.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 | 28% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:29 UTC |
| Last Seen | 2026-06-27 08:40:26 UTC |
| Profile Built | 2026-06-28 02:46:34 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 27 |
Full dossier details are available via our API.