54.39.89.13
IP Intelligence Briefing: 54.39.89.13/32
Date: 2026-06-08
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**1. Risk Profile**
- Overall Risk Score: Low (25/100)
- Provider/Authority Scores: 0/100 (OVH)
- Network Stability: Unstable (route changes detected)
- Threat Indicators: No malicious activity, no blacklists, no known attackers.
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**2. Ownership & Geolocation**
- Organization: Dmytro, Ahrefs Pte Ltd (OVH customer)
- ASN: 16276 (OVH)
- Geolocation: Canada (QC, Beauharnois), inferred with 3,000km accuracy radius.
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**3. Network Role**
- Infrastructure Type: CloudCompute (OVH-hosted)
- Services: No open ports, no TLS certs, no HTTP services detected.
- Subnet: 54.39.89.0/24 (abuse density: 42.39%, 103 malicious siblings).
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**4. Observation History**
- Recent Activity (2026-06-08):
- Consistent classification as a cloud-hosted server.
- No changes in geolocation or threat signals.
- DNSSEC and CAA records validated.
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**5. Relationships**
- Linked Entities:
- Hostname: `proxy-ca012-san13.ahrefs.net` (Ahrefs subdomain).
- Network: OVH-CUST-281059691 (shared subnet).
- Subnet Abuse: 54 malicious IPs in 54.39.89.0/24.
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**6. Neighborhood Analysis**
- Subnet Summary:
- Total Siblings: 243 IPs (54 active, 103 malicious).
- Risk Distribution: 41% low, 59% medium/high risk.
- Abuse Density: 42.39% (moderate risk for the subnet).
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**7. Recommendations**
- Monitor Subnet: The 54.39.89.0/24 subnet has elevated abuse density; investigate anomalous activity.
- Verify DNS: Confirm `proxy-ca012-san13.ahrefs.net` is legitimate (Ahrefs is a known domain).
- Firewall Rules: Consider allowing traffic only from trusted sources, given the subnet’s mixed risk profile.
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Note: This IP is associated with a legitimate cloud provider (OVH) and appears to be a normal server. However, the shared subnet’s abuse density suggests heightened vigilance is warranted.
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-san13.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san13.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 | 25% | 2 | 2 |
| routing | 13% | 1 | 1 |
| services | 21% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 39% | 2 | 3 |
| Overall | 23% | 10 | 12 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 21:28:59 UTC |
| Last Seen | 2026-06-28 08:07:08 UTC |
| Profile Built | 2026-06-29 02:12:26 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 22 |
Full dossier details are available via our API.