54.39.89.88
IP Intelligence Briefing: 54.39.89.88
Date: 2026-06-10
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership:
- AS: AS16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059691)
- Geolocation: Canada (QC, Beauharnois)
- Network Role: CloudCompute (OVH-hosted, no public services)
- Threat Indicators: No direct malicious activity detected (no malware, phishing, or known attacker associations).
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**2. Subnet & Neighborhood**
- Subnet: 54.39.89.88/24
- Abuse Density: 0.6 (High Risk Subnet)
- Neighbor Analysis:
- Total Siblings: 255 IPs
- Active Siblings: 101
- Threat Siblings: 153 (60% of subnet flagged as high-risk)
- Neighbor IPs: 100 IPs with mixed risk scores (40–50), suggesting a compromised subnet.
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**3. Relationships & Context**
- Linked Entities:
- Domain: ahrefs.net (PTR hostname: `proxy-ca012-san88.ahrefs.net`)
- DNS:
- CAA Records: Present (valid DNSSEC).
- Email Security: No SPF/DKIM records.
- BGP:
- Prefix: 54.39.0.0/16
- AS Path: 57866 16276 (OVH)
- RPKI State: Unverified.
- Operator Score: 0.4348 (Basic, low trustworthiness).
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**4. Historical Observations**
- Observation Count: 1 (last 30 days)
- Key Trends:
- No persistent malicious activity.
- Subnet abuse density increased to 0.6 (high risk).
- DNS and BGP records stable, no recent changes.
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**5. Recommendations**
- Monitoring:
- Track subnet activity for unusual traffic patterns (high abuse density).
- Validate DNSSEC and CAA records for ahrefs.net.
- Mitigation:
- Consider blocking the subnet (54.39.89.0/24) if exposure to high-risk IPs is unacceptable.
- Investigate potential cloud infrastructure misuse (OVH-hosted).
- Further Action:
- Cross-reference with threat feeds for emerging risks.
- Validate BGP route stability and RPKI compliance.
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Note: This IP appears benign but resides in a high-risk subnet. Prioritize monitoring and subnet-level analysis.
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-san88.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san88.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 | 20% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 30% | 3 | 3 |
| reputation | 32% | 1 | 3 |
| geolocation | 26% | 2 | 2 |
| Overall | 25% | 12 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 18:30:58 UTC |
| Last Seen | 2026-06-28 23:06:18 UTC |
| Profile Built | 2026-06-29 05:09:46 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 26 |
Full dossier details are available via our API.