51.161.65.165
IP Intelligence Dossier
Your IP: 216.73.216.123
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing: 51.161.65.165
Date: 2026-06-13
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Registered to Ahrefs Pte Ltd (OVH ASN 16276), Singapore.
- Geolocation: Confirmed in Singapore (CA/CA discrepancy in historical data).
- Network Role: Cloud compute instance (OVH Hosting).
- Threat Indicators: No malicious activity, spam, or known attacker associations.
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**2. Observation History**
- Stability: Low confidence in geolocation (0.35) but consistent ownership (0.95).
- Risk Trends: No persistent threats; zero threat observations in 30 days.
- Abuse Density: Subnet (51.161.65.0/24) shows 0% abuse density.
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**3. Relationships**
- DNS Associations: Linked to `proxy-ca011-san165.ahrefs.net` (Ahrefs infrastructure).
- Network: Part of OVH-CUST-281059690 subnet.
- No connections to known malicious entities, campaigns, or C2 servers.
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**4. Neighborhood Analysis**
- Subnet: 51.161.65.0/24 with 100 total IPs.
- Risk Distribution: 77% low-risk neighbors, 23% medium-risk (no malicious activity).
- Notable Neighbors:
- 51.161.65.0 (risk: 40), 51.161.65.2 (risk: 50), etc.
- Subnet Abuse: No evidence of botnets, DDoS, or spoofing.
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**5. Security Recommendations**
- Firewall Rules: No actionable rules generated (low risk).
- Monitoring: Track geolocation inconsistencies and monitor for unexpected DNS changes.
- Context: Legitimate cloud instance; no immediate mitigation required.
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Conclusion:
51.161.65.165 is a low-risk cloud compute node operated by Ahrefs, with no malicious activity or threat indicators. While geolocation data shows inconsistency, the subnet’s abuse density and ownership history suggest it is a legitimate, stable asset. Continue monitoring for anomalies.
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-281059690 |
| CIDR Block | 51.161.65.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca011-san165.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca011-san165.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
No certificate
Issued by —
N/A
| 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 | 3 |
| routing | 13% | 1 | 1 |
| services | 21% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 17% | 1 | 2 |
| geolocation | 13% | 1 | 1 |
| Overall | 19% | 9 | 11 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Claimed geolocation contradicts RTT physics measurement
📅 Observation Timeline 🔄 Live
| First Seen | 2026-06-06 07:27:53 UTC |
| Last Seen | 2026-06-21 13:00:49 UTC |
| Profile Built | 2026-06-21 13:10:59 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
🔍 22 signal types · 25 observations collected
This report is generated from 22+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.