54.39.89.43
IP Intelligence Briefing: 54.39.89.43
Date: 2026-06-08
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**1. Risk Profile**
- Risk Score: 25 (Low Risk)
- Provider Score: 0 (No provider-specific risk)
- Authority Score: 0 (No authoritative malicious indicators)
- Stability: Minimal (stable network role)
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**2. Ownership & Geolocation**
- Registrar: OVH (AS16276)
- Organization: Ahrefs Pte Ltd
- Geolocation:
- Country: Canada (CA)
- Region: Quebec (QC)
- City: Beauharnois (approximate)
- Accuracy Radius: 3,000 km (low precision)
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**3. Threat Indicators**
- No malicious activity detected:
- No known attackers, spam, or Tor exit nodes.
- Zero indicators in threat feeds or DNS blacklists.
- TLS/Services: No open ports or certificates observed.
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**4. Network Role**
- Infrastructure: CloudCompute (OVH)
- Subnet: 54.39.89.0/24
- Subnet Analysis:
- Abuse Density: 42.39% (mixed classification)
- Active Siblings: 54 IPs
- Threat Siblings: 103 IPs (moderate risk in subnet)
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**5. Relationships & DNS**
- Linked Hostname: `proxy-ca012-san43.ahrefs.net` (DNS PTR confirmed)
- Network Relationships:
- Same subnet (`OVH-CUST-281059691`)
- No CDN/VPN/Proxy flags
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**6. Observation History**
- Recent Activity (June 8, 2026):
- Minimal risk score (0.2174)
- DNSSEC and CAA records validated
- No significant changes in threat or routing signals
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**7. Recommendations**
- Monitor Subnet: The 54.39.89.0/24 subnet has a moderate abuse density (42.39%) with 103 risky siblings.
- Verify DNS: Confirm `proxy-ca012-san43.ahrefs.net` is legitimate and associated with Ahrefs.
- No Immediate Action: No firewall rules or blocking required for this IP, but subnet-level monitoring is advised.
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Source: IPDebrief Threat Intelligence Platform
Note: This IP is registered to a legitimate cloud provider (OVH) and appears to be a normal infrastructure asset. Subnet-level risks warrant further investigation.
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-281059691 |
| CIDR Block | 54.39.89.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca012-san43.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san43.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 | 3 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 20% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 03:36:43 UTC |
| Last Seen | 2026-06-28 08:36:19 UTC |
| Profile Built | 2026-06-29 02:40:51 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.