54.39.210.88
IP Intelligence Briefing: 54.39.210.88
Date: 2026-06-15
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**1. Core Profile**
- Risk Score: Moderate (40/100)
- Ownership: Registered to Ahrefs Pte Ltd (OVH ASN 16276), Canada.
- Geolocation: Quebec, Canada (Beauharnois), inferred via DNS and network signals.
- Network Role: Cloud infrastructure (OVH-hosted), no public services detected.
- Threat Indicators: No direct malicious activity (no spam, malware, or known attackers).
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**2. Observation History**
- Recent Activity:
- DNS resolution to `proxy-ca007-san88.ahrefs.net` (Ahrefs subdomain).
- Subnet analysis (`54.39.210.88/24`) shows high abuse density (62.11%), with 159/256 IPs flagged as abusive.
- No recent scans, scans, or suspicious traffic observed.
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**3. Relationships**
- DNS Associations:
- Linked to `proxy-ca007-san88.ahrefs.net` (Ahrefs subdomain).
- Network Connections:
- Part of OVH-managed subnet (`54.39.210.88/24`), shared with 159 high-risk IPs.
- No Known Campaigns: No correlation with known malicious campaigns or threat groups.
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 62.11% (high abuse).
- Neighbor Risk:
- 98% of subnet IPs have medium/high risk (score ≥40).
- 100 neighbors analyzed; no direct malicious activity detected on this IP.
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**5. Recommendations**
- Monitor Subnet: The high abuse density in the subnet (`54.39.210.88/24`) suggests potential lateral movement risks.
- Verify DNS Associations: Investigate traffic to `proxy-ca007-san88.ahrefs.net` to ensure it aligns with expected Ahrefs infrastructure.
- Block Subnet (if applicable): Consider blocking the entire subnet if the network allows, given the elevated risk profile.
- Check for Anomalies: Monitor for unexpected DNS or network activity from this IP, especially given its association with a cloud provider.
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Note: The IP itself is not directly malicious, but its subnet’s high abuse density warrants closer scrutiny.
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-281059686 |
| CIDR Block | 54.39.210.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca007-san88.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san88.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 | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 21% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 12:24:28 UTC |
| Last Seen | 2026-06-28 22:01:37 UTC |
| Profile Built | 2026-06-29 10:04:54 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.