54.39.89.201
IP Intelligence Briefing: 54.39.89.201
Date: 2026-06-14
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Registered to Ahrefs Pte Ltd (OVH, ASN 16276).
- Geolocation: Quebec, Canada (Beauharnois).
- Network Role: Hosting provider (OVH).
- Threat Indicators: No direct malicious activity detected.
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**2. Threat & Network Analysis**
- Subnet: 54.39.89.0/24
- Abuse Density: 51.41% (High Abuse classification).
- Neighbor Risk:
- 88 IPs flagged as medium-risk.
- 12 IPs flagged as low-risk.
- 0 high-risk IPs in the subnet.
- Subnet Activity:
- 96 active IPs; 128 are associated with threats.
- Inherited risk score: 20.
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**3. Observations & History**
- Recent Activity:
- DNS records linked to proxy-ca012-san201.ahrefs.net.
- BGP prefix: 54.39.0.0/16 (OVH).
- No recent scans or honeypot hits.
- Trend: Stable risk profile with no significant changes over 30 days.
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**4. Relationships**
- Network Connections:
- Linked to OVH-CUST-281059691 (same subnet).
- No direct ties to known malicious campaigns or domains.
- DNS:
- PTR hostname: proxy-ca012-san201.ahrefs.net.
- No email authentication (SPF/DKIM) detected.
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**5. Recommendations**
- Monitor Subnet: High abuse density in 54.39.89.0/24 warrants closer scrutiny.
- Check Hosting Compliance: Verify Ahrefs’ hosting infrastructure for potential compromised servers.
- Block Neighbor IPs: Consider blocking high-risk neighbors (if not already in scope).
- Validate Geolocation: Discrepancy between Canada and OVH’s global infrastructure may require further validation.
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Note: No direct malicious activity detected, but the subnet’s high abuse density and hosting role necessitate continued monitoring.
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-san201.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san201.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 | 30% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 23% | 2 | 2 |
| Overall | 20% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-08 17:18:10 UTC |
| Last Seen | 2026-06-27 14:06:26 UTC |
| Profile Built | 2026-06-28 08:11:34 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
Full dossier details are available via our API.