IP Intelligence Briefing: 54.39.210.55
Date: 2026-06-15
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**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership: Owned by OVH (AS16276) under Dmytro, Ahrefs Pte Ltd.
- Geolocation: Canada (QC, Beauharnois).
- Network Role: CloudCompute infrastructure, part of OVH's hosting services.
- Threat Indicators: No malicious activity detected; no known campaigns, spam, or blacklists.
- DNS: Resolves to `proxy-ca007-san55.ahrefs.net` (Ahrefs.net).
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**2. Observation History**
- Recent Activity (Last 30 Days):
- Consistently classified as cloud hosting with no suspicious behavior.
- No scans, port scans, or DNS anomalies detected.
- Risk score stable at 50; no upward trends.
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**3. Relationships & Network Context**
- Subnet: `54.39.210.55/24`
- Subnet Abuse Density: 59.45% (high abuse risk).
- Neighboring IPs:
- 100 total IPs in subnet.
- 95% rated low/medium risk (40β50 score), but 15% show higher risk.
- Subnet classification: high_abuse.
- Control Plane:
- BGP prefix: `54.39.0.0/16` (OVH).
- DNSSEC and CAA records valid; 2 DNSBL listings.
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**4. Recommendations**
- Monitor Subnet: Given high abuse density, monitor neighboring IPs for anomalous behavior.
- Access Control: Restrict access to this IP if not required, as itβs part of a cloud-hosted environment.
- Threat Hunting: Investigate if this IP correlates with other high-risk neighbors in the subnet.
- DNS Security: Ensure DNS validation for `ahrefs.net` to prevent spoofing.
Conclusion: This IP is a legitimate cloud-hosting asset with no direct malicious indicators. However, its subnetβs high abuse density warrants closer scrutiny.
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Source: IPDebrief Threat Intelligence Platform
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ 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 | β |
π DNS Intelligence
| PTR | proxy-ca007-san55.ahrefs.net |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san55.ahrefs.net |
π DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 32% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 31% | 2 | 3 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-11 21:11:23 UTC |
| Last Seen | 2026-06-27 20:14:01 UTC |
| Profile Built | 2026-06-28 14:20:03 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 27 |
Full dossier details are available via our API.