54.39.0.169
IP Intelligence Briefing: 54.39.0.169/32
*Generated via IPDebrief Analysis*
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1. Core Profile
- Risk Rating: Moderate (Risk Score: 40/100)
- Provider: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (netname: OVH-CUST-281059683)
- Geolocation:
- Country: Canada (QC, Beauharnois)
- Geo Validity: ❌ *Plausibility failed* (RTT anomaly for distance)
- Network Role: Hosting infrastructure (firewalled, no public services)
- DNS:
- PTR hostname: `proxy-ca004-san169.ahrefs.net`
- Domain: `ahrefs.net` (no email auth records)
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2. Threat Indicators
- Malicious Activity: ❌ No direct indicators (no blacklists, spam, or campaigns).
- Subnet Risk:
- Abuse Density: 62.45% (high_abuse classification)
- Threat Siblings: 158/253 IPs in 54.39.0.0/24 flagged as risky.
- Neighbor Risk Distribution:
- 89 medium-risk, 11 low-risk IPs in subnet.
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3. Temporal Observations
- Last 30 Days:
- 22 observations (DNS, geolocation, network role).
- Most recent: DNSSEC validation and CAA record analysis (June 9, 2026).
- Trend: Stable risk profile; no spikes in malicious activity.
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4. Relationships & Context
- Linked Entities:
- Subnet: 54.39.0.0/24 (OVH-CUST-281059683)
- Domain: `ahrefs.net` (no known malicious campaigns).
- Network Classification:
- High Abuse Subnet: 62.45% abuse density.
- Inherited Risk: 24 points (likely from subnet peers).
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5. Actionable Insights
- SOC Recommendations:
- Monitor 54.39.0.0/24 subnet for lateral movement or shared infrastructure compromises.
- Investigate geo validation anomalies (RTT mismatch for distance).
- Validate DNS configurations for `ahrefs.net` to ensure no spoofing.
- Mitigation:
- Consider rate-limiting or blocking high-risk subnet peers (158/253 IPs).
- Review network segmentation to isolate hosting infrastructure.
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Note: While the IP itself shows no direct malicious activity, its subnet’s high abuse density and inherited risk suggest contextual threats. Further analysis of neighboring IPs and network behavior is recommended.
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-san169.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca004-san169.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 | 29% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 39% | 2 | 3 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-22 03:10:28 UTC |
| Last Seen | 2026-06-28 17:57:30 UTC |
| Profile Built | 2026-06-29 06:00:58 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.