54.39.6.71
IP Intelligence Dossier
Your IP: 216.73.216.123
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing: 54.39.6.71
Date: 2026-06-06
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**1. Risk Profile**
- Risk Score: Moderate (50/100)
- Provider: OVH (AS16276)
- Ownership: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059680)
- Geolocation: Canada (QC, Beauharnois)
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**2. Network & Infrastructure**
- Network Role: CloudCompute / Hosting (OVH infrastructure)
- Subnet: 54.39.6.0/24
- Subnet Risk: High abuse density (0.512), 250 total IPs, 128 threat siblings
- Neighbor Risk: 98% medium/low risk, 2% high risk
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**3. Threat & Behavior**
- Threat Indicators: None detected (no malware, spam, or campaign links)
- DNS: Resolves to `proxy-ca001-san71.ahrefs.net` (Ahrefs, SEO tools)
- Services: No open ports or TLS certificates identified
- Traffic: No suspicious activity in 1-day observation window
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**4. Relationships & Context**
- Shared Network: OVH-CUST-281059680 (250 IPs, 145 active)
- Hosting: Likely part of Ahrefs' cloud infrastructure (DNS and ownership align)
- Routing: BGP prefix `54.39.0.0/16`, stable route with OVH
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**5. Recommendations**
- Monitor Subnet: High abuse density in 54.39.6.0/24 suggests potential for malicious activity.
- Validate DNS: Confirm legitimacy of `proxy-ca001-san71.ahrefs.net` and check for DNS hijacking.
- Traffic Analysis: Scrutinize traffic patterns for anomalies, given the subnet’s risk profile.
- Firewall Rules: Consider blocking high-risk neighbors (e.g., IPs with >50 risk score) to mitigate lateral movement risks.
Note: No direct malicious indicators found, but the subnet’s high abuse density warrants closer scrutiny.
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*Generated by IPDebrief. All data sourced from IP intelligence and network telemetry.*
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-san71.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca001-san71.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
No certificate
Issued by —
N/A
| 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 | 31% | 2 | 3 |
| Overall | 22% | 10 | 16 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Claimed geolocation contradicts RTT physics measurement
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-11 02:51:45 UTC |
| Last Seen | 2026-06-27 18:59:07 UTC |
| Profile Built | 2026-06-28 13:05:50 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
🔍 22 signal types · 28 observations collected
This report is generated from 22+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.