51.161.37.248
IP Intelligence Briefing: 51.161.37.248
Date: 2026-06-10
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**1. IP Profile**
- Risk Score: 25 (Low Risk)
- Owner: Dmytro, Ahrefs Pte Ltd (OVH network, ASN 16276)
- Geolocation: Montreal, Quebec, Canada (CIDR 51.161.37.0/24)
- Network Role: Hosting (OVH infrastructure, no CDN/VPN/Proxy flags)
- Threat Indicators: No malicious activity detected (no abuse confidence, blacklist, or campaign ties).
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**2. Observation History**
- Last 30 Days:
- Detected as a hosting server with no open ports or active services.
- DNS records linked to `proxy-ca005-san248.ahrefs.net` (Ahrefs domain).
- Subnet analysis (51.161.37.0/24) shows abuse density of 42.86%, but this IP has no direct threat signals.
- Geo-validation indicates plausible location (Montreal, CA) with minimal RTT variance.
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**3. Network Relationships**
- DNS Associations:
- Linked to `proxy-ca005-san248.ahrefs.net` (Ahrefs subdomain).
- Network Context:
- Part of OVH network (ASN 16276), with no Tor, VPN, or proxy flags.
- Subnet (51.161.37.0/24) contains 252 IPs, 108 flagged as high-risk.
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**4. Neighborhood Analysis**
- Subnet (51.161.37.0/24):
- Abuse Density: 42.86% (mixed classification).
- High-Risk Neighbors: 70 IPs (40% of subnet).
- Active IPs: 145 (61.5% of subnet).
- This IP’s Risk: Low (25/100), with no direct threat indicators.
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**5. Recommendations**
- Monitor Subnet: The subnet has a high abuse density; investigate neighboring IPs for potential risks.
- Verify DNS: Confirm `proxy-ca005-san248.ahrefs.net` is legitimate (Ahrefs is a known domain).
- No Immediate Action: No evidence of malicious activity, but subnet-level risks warrant closer scrutiny.
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End of Briefing
*Generated by IPDebrief Intelligence Platform*
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-281059684 |
| CIDR Block | 51.161.37.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca005-san248.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca005-san248.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 | 34% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 22% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 12:23:58 UTC |
| Last Seen | 2026-06-28 21:34:27 UTC |
| Profile Built | 2026-06-29 03:37:48 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 22 |
Full dossier details are available via our API.