54.39.210.251
IP Intelligence Briefing: 54.39.210.251
*Generated from IPDebrief analysis (June 16, 2026)*
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**Key Risk Profile**
- Risk Score: 40 (Moderate Risk)
- Provider: OVH (AS16276)
- Ownership: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059686)
- Geolocation: Canada (QC, Beauharnois)
- Network Role: CloudCompute Hosting
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**Threat Indicators**
- No direct malicious activity detected (no indicators, blacklists, or campaigns).
- DNS Associations: Linked to `proxy-ca007-san251.ahrefs.net` (no domain hosting).
- Network Stability: Subnet `54.39.210.0/24` shows high abuse density (64.06%) with 164 threat-scorched siblings.
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**Observation History**
- Recent Activity:
- DNS resolution for `ahrefs.net` (June 16, 2026).
- Geolocation confirmed via MaxMind and AlienVault.
- Network classification as "high_abuse" subnet with 256 IPs.
- Trend: No persistent threats or ownership changes.
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**Relationships**
- Network: Same subnet as OVH customer network `OVH-CUST-281059686`.
- DNS: Direct association with `proxy-ca007-san251.ahrefs.net`.
- Subnet: Part of a `/24` block with 160 active IPs, 164 flagged as risky.
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**Neighborhood Analysis**
- Subnet Abuse Density: 64.06% (high risk).
- Neighbor Risk Scores: Mixed, with 98 IPs rated "medium" and 1 "low".
- Notable: Subnet includes 256 IPs, but the specific IP’s neighbors show no direct correlation to threats.
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**Recommended Actions**
1. Monitor Subnet: Given the high abuse density, investigate neighboring IPs for potential compromise.
2. Block IP: Consider blocking traffic from this IP if it’s part of a larger attack surface (e.g., C2, exfiltration).
3. Verify DNS: Confirm DNS associations with `ahrefs.net` for potential spoofing or misconfiguration.
4. Check Hosting: Since it’s a hosting provider, ensure server hardening and log monitoring are in place.
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Conclusion: This IP is part of a high-abuse subnet but shows no direct malicious behavior. Focus on subnet-level monitoring and verify DNS/HTTP configurations. No immediate mitigation required, but contextualize within the broader network risk.
*Data sourced from IPDebrief’s full profile, history, relationships, and subnet analysis.*
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-san251.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san251.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 | 32% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 22% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 34% | 2 | 3 |
| Overall | 23% | 10 | 12 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-26 06:51:32 UTC |
| Last Seen | 2026-06-29 02:56:47 UTC |
| Profile Built | 2026-06-29 08:59:54 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 24 |
Full dossier details are available via our API.