IP Intelligence Briefing: 51.161.65.93
*Generated via IPDebrief tools*
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Owned by Dmytro, Ahrefs Pte Ltd (OVH ASN 16276).
- Geolocation: Registered to Singapore (CA), but geolocation coordinates are unverified.
- Network Role: CloudCompute infrastructure (OVH-hosted, no public services detected).
- Threat Indicators: No malicious activity detected (no indicators, blacklists, or campaigns).
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**2. Observation History**
- Recent Activity:
- 2026-06-07: Subnet abuse density reported at 0.28 (mixed risk).
- 2026-05-31: Network stability flagged as "Basic" (operator score 0.43).
- Trend: No persistent malicious behavior; threat observation count remains low.
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**3. Relationships & Context**
- Network Connections:
- Linked to OVH-CUST-281059690 subnet (51.161.65.0/24).
- DNS Associations: Resolves to `proxy-ca011-san93.ahrefs.net` (likely internal/legitimate).
- Subnet Analysis:
- Abuse Density: 28% (moderate risk).
- Neighbor Risk: 62% low risk, 38% medium risk.
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**4. Recommendations**
- Monitor Subnet: The 51.161.65.0/24 subnet has a moderate abuse density. Investigate medium-risk neighbors for potential compromise.
- Verify DNS: Confirm legitimacy of `proxy-ca011-san93.ahrefs.net` to ensure no DNS hijacking or spoofing.
- Baseline Behavior: Since the IP is low-risk but part of a mixed subnet, establish baseline traffic patterns for anomaly detection.
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Conclusion: 51.161.65.93 is a low-risk cloud infrastructure IP associated with Ahrefs. While no direct threats are detected, its subnetβs moderate abuse density warrants ongoing monitoring. No immediate action required, but maintain situational awareness.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ 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 | β |
π DNS Intelligence
| PTR | proxy-ca011-san93.ahrefs.net |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca011-san93.ahrefs.net |
π DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 β Basic operator with some routing infrastructure |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 26% | 2 | 4 |
| routing | 27% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 26% | 3 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 25% | 12 | 18 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-15 08:44:33 UTC |
| Last Seen | 2026-06-28 02:10:25 UTC |
| Profile Built | 2026-06-28 20:14:58 UTC |
| Data Freshness | Live |
| Signal Types | 25 |
| Total Observations | 29 |
Full dossier details are available via our API.