54.39.6.194
IP Intelligence Briefing: 54.39.6.194
Date: 2026-06-10
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**1. IP Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059680)
- Geolocation: Canada (QC, Beauharnois)
- Network Role: CloudCompute (Hosting Provider)
- Threat Indicators: No malicious activity detected (empty threat indicators).
- DNS:
- PTR hostname: `proxy-ca001-san194.ahrefs.net`
- Linked domain: `ahrefs.net` (no email auth records).
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**2. Observation History**
- Recent Activity (Last 30 Days):
- 1 observation with 0.75 confidence (subnet abuse density: 57.65%).
- No persistent malicious behavior (threat persistence days: 0).
- Geolocation Plausibility: Flagged as implausible (geoPlausible: false).
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**3. Network Relationships**
- Shared Subnet: `54.39.6.0/24` (OVH-CUST-281059680).
- Key Connections:
- Same network as 158 active IPs (147 flagged as threats).
- No direct links to known malicious entities or campaigns.
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**4. Neighborhood Analysis**
- Subnet: `54.39.6.0/24` (255 IPs).
- Risk Distribution:
- 100 neighbors with medium risk (40 average risk score).
- Abuse Density: 0% (low risk).
- Notable Neighbors:
- IPs like `54.39.6.0`, `54.39.6.1`, and `54.39.6.2` show similar risk profiles.
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**5. Recommendations**
- Monitor: Track changes in threat indicators or DNS behavior, as the IP is part of a subnet with moderate abuse density.
- Verify: Confirm legitimacy of `ahrefs.net` and ensure no unexpected traffic patterns emerge.
- Firewall Rules: Consider blocking or monitoring traffic from this subnet if it aligns with known malicious activity.
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Summary: This IP is associated with a legitimate cloud hosting provider (OVH) and shows no direct malicious activity. However, its subnet has a moderate abuse density, warranting further monitoring for potential lateral movement or network compromise.
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-281059680 |
| CIDR Block | 54.39.6.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca001-san194.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca001-san194.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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 12:24:28 UTC |
| Last Seen | 2026-06-28 22:03:38 UTC |
| Profile Built | 2026-06-29 10:07:13 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.