IP Intelligence Briefing: 54.39.210.165
Date: 2026-06-10
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Geolocation: Canada (QC, Beauharnois)
- Network Role: CloudCompute (OVH infrastructure)
- Threat Indicators: No malicious activity detected (no indicators, blacklists, or campaigns).
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**2. Observation History**
- Recent Activity:
- Geolocation inferred as Canada (56.13°N, -106.35°W) with 3000km accuracy.
- Subnet abuse density: 49.6% (mixed classification).
- DNS resolution tied to `ahrefs.net` (likely legitimate).
- Temporal Trends:
- No persistent malicious behavior; threat observation count: 1.
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**3. Relationships & Dependencies**
- Network Associations:
- Linked to OVH subnet `54.39.210.0/24` (252 IPs, 130 active).
- 125 neighbors flagged as high-risk (abuse density: 49.6%).
- DNS Connections:
- Resolves to `proxy-ca007-san165.ahrefs.net` (Ahrefs service).
- No email authentication (SPF/DKIM) detected.
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**4. Subnet Analysis**
- Neighboring IPs:
- 100 total IPs in subnet; 78 medium-risk, 21 low-risk.
- High-risk neighbors: 78 (abuse density: 49.6%).
- Recommendation:
- Monitor subnet for lateral movement or malicious activity.
- Consider blocking high-risk neighbors if traffic is suspicious.
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**5. Actionable Insights**
- SOC Analyst Guidance:
- Monitor: Subnet `54.39.210.0/24` for unusual traffic patterns.
- Verify: Ensure DNS resolution to `ahrefs.net` is legitimate (e.g., check SSL/TLS certificates).
- Mitigate: Block high-risk neighbors in the subnet if unauthorized access is suspected.
- Context: IP appears benign but resides in a moderately risky subnet.
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Note: No direct malicious activity detected, but subnet-level risks warrant further investigation.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059686 |
| CIDR Block | 54.39.210.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca007-san165.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san165.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ 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 | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 39% | 2 | 3 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-23 12:24:26 UTC |
| Last Seen | 2026-06-28 21:58:16 UTC |
| Profile Built | 2026-06-29 10:03:45 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.