54.39.0.128
IP Intelligence Briefing: 54.39.0.128/32
*Generated via IPDebrief Analysis*
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**Key Risk Indicators**
- Risk Score: Moderate (50/100) | Subnet Abuse Density: High (0.548)
- Threat Status: No direct malicious indicators detected.
- Geolocation: Canada (QC, Beauharnois) | ISP: OVH (Dmytro, Ahrefs Pte Ltd)
- Network Role: Hosting provider (OVH CloudCompute) | Subnet: 54.39.0.0/24
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**Threat & Observations**
- Historical Activity:
- Detected as a cloud hosting IP (OVH) since 2026-06-05.
- Subnet abuse density classified as "high_abuse" with 21 inherited risks.
- Geo-validation violations: RTT (24ms) inconsistent with claimed distance (5,629km).
- Control Plane:
- BGP prefix: `54.39.0.0/16` | Route stability: Unstable (100% route changes in 30 days).
- DNSSEC valid, CAA records present, but DNSBL listed in 2/8 total lists.
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**Network Relationships**
- Connected Entities:
- Linked to OVH-CUST-281059683 (ASN 16276, Ahrefs Pte Ltd).
- Subnet peers: 250 IPs (131 active, 137 flagged as threats).
- DNS:
- PTR hostname: `proxy-ca004-san128.ahrefs.net` (ahrefs.net domain).
- No email authentication records (SPF/DMArc).
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**Subnet Neighborhood**
- Risk Distribution:
- 89 IPs flagged as low/medium risk, 11 as high risk.
- Subnet classification: High abuse with 21 inherited risks.
- Neighbor IPs:
- Example IPs: 54.39.0.0–54.39.0.4 (all risk scores: 40–50).
- Note: Subnet shows signs of malicious activity (high abuse density).
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**Actionable Intelligence**
1. Monitor Subnet: The 54.39.0.0/24 subnet has high abuse density. Investigate potential botnet or compromised host activity.
2. Verify Geolocation: Geo-validation violations suggest spoofing; confirm IP origin with OVH or network logs.
3. Review Hosting Provider: Assess OVH’s security practices for cloud infrastructure hosting this IP.
4. Block Subnet: If further threats are detected in the subnet, consider blocking the entire 54.39.0.0/24 range.
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*End of Briefing*
*Data sourced from IPDebrief threat intelligence platform.*
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-281059683 |
| CIDR Block | 54.39.0.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca004-san128.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca004-san128.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 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 31% | 2 | 3 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-08 17:18:10 UTC |
| Last Seen | 2026-06-27 14:04:16 UTC |
| Profile Built | 2026-06-28 08:09:15 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
Full dossier details are available via our API.