54.39.203.178
IP Intelligence Briefing: 54.39.203.178
Date: 2026-06-08
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**1. IP Profile**
- Risk Score: 25 (Low Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Subnet: 54.39.203.0/24
- Geolocation:
- Country: Canada (QC, Beauharnois)
- Geo-Plausibility: False (RTT anomaly: 26ms vs. expected 112.6ms for 5,629km)
- Network Role:
- Cloud Compute (OVH-hosted)
- No open services or TLS certificates detected
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**2. Threat & Abuse Indicators**
- No Threat Indicators:
- No malware, spam, or malicious campaign associations.
- Zero DNSBL listings (1/8 lists checked).
- Abuse Density: 0% (subnet abuse density: 0.4458, but no active malicious IPs in neighbors).
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**3. Observation History**
- Recent Activity (Last 30 Days):
- 16 observations, with 1 geo-validation violation (RTT discrepancy).
- No persistent malicious behavior or ownership changes.
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**4. Relationships & DNS**
- Linked Entities:
- DNS hostname: `proxy-ca008-san178.ahrefs.net` (Ahrefs, legitimate).
- Subnet: 54.39.203.0/24 (OVH network).
- Email Reputation: No SPF/DKIM records detected.
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**5. Subnet Neighbors**
- Subnet: 54.39.203.0/24 (256 IPs)
- Neighbor Risk:
- 94 IPs flagged as medium risk, 6 as low risk.
- No malicious IPs in active siblings (122/249 total).
- Abuse Density: 0.4458 (mixed classification, but no direct threats).
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**6. Recommendations**
- Monitor Geo-Plausibility: Investigate the RTT anomaly (26ms vs. 112.6ms) for spoofing or proxy activity.
- Verify Ownership: Confirm Ahrefs' legitimate use of the subnet, as geo-Plausibility is false.
- Network Segmentation: Ensure cloud-hosted IPs are isolated from sensitive systems.
- DNS Monitoring: Track DNS associations for `proxy-ca008-san178.ahrefs.net` for unexpected changes.
Conclusion: This IP is associated with a legitimate cloud provider (OVH) and shows no direct malicious activity. The geo-validation discrepancy warrants further investigation, but the overall risk remains low.
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-281059687 |
| CIDR Block | 54.39.203.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca008-san178.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca008-san178.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 | 33% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 39% | 2 | 3 |
| Overall | 23% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-17 09:11:22 UTC |
| Last Seen | 2026-06-28 04:59:38 UTC |
| Profile Built | 2026-06-28 23:06:02 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.