51.161.37.195
IP Intelligence Briefing: 51.161.37.195
Date: 2026-06-18
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Provider: OVH (ASN 16276)
- Ownership: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059684)
- Geolocation:
- Country: Canada (CA)
- City: Singapore (discrepancy noted; geolocation accuracy radius: 3,000 km)
- Network Role:
- CloudCompute (OVH-hosted)
- No open ports/services detected
- TLS/HTTP scans: No active services
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**2. Threat Indicators**
- No malicious signals: No known attackers, spam, or abuse confidence scores.
- DNS:
- PTR hostname: `proxy-ca005-san195.ahrefs.net`
- Domain: `ahrefs.net` (no email auth records)
- Certificates: No TLS certificates detected.
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**3. Observation History**
- Temporal Trends:
- Single observation recorded (June 14, 2026).
- Geolocation inconsistencies noted (Canada vs. Singapore).
- Operator score: Minimal (0.2174).
- Stability:
- Subnet route stability: Unstable (0 route changes in 30 days).
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**4. Network Relationships**
- Linked Entities:
- Same network: OVH-CUST-281059684 (51.161.37.0/24)
- Related domains: `ahrefs.net` (no email security records).
- Control Plane:
- BGP prefix: `51.161.0.0/17`
- RPKI state: Not validated.
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**5. Subnet Analysis (51.161.37.0/24)**
- Abuse Density: 0.29 (low risk).
- Neighbor Risk:
- 61 active IPs (238 total).
- 69 IPs flagged as medium/high risk.
- Notable Neighbors:
- `51.161.37.0` (risk score: 50), `51.161.37.1` (risk score: 40).
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**6. Recommendations**
- Monitor Geolocation Discrepancies: Investigate why the IP reports Canada but is linked to Singapore.
- Subnet Scanning: Focus on high-risk neighbors in the `51.161.37.0/24` subnet.
- Provider Verification: Confirm OVH's compliance with cloud security standards.
- No Immediate Action: Low-risk profile, but ongoing monitoring is advised due to sparse data.
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Source: IPDebrief (https://ipdebrief.com) | Generated by: IP Intelligence Analyst
Note: Data as of 2026-06-18. Use with operational security protocols.
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-san195.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca005-san195.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 | 38% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:25 UTC |
| Last Seen | 2026-06-27 06:12:51 UTC |
| Profile Built | 2026-06-28 00:18:23 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 26 |
Full dossier details are available via our API.