IP Intelligence Briefing: 51.222.95.33
Date: 2026-06-01
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Geolocation:
- Country: Canada (CA)
- City: Singapore (inferred, conflicting with distance metrics)
- RTT Anomaly: 26ms (discrepancy with 5,598km distance; potential spoofing)
- Network Role: CloudCompute (OVH infrastructure, no public services)
- Threat Indicators: None detected (no malware, spam, or attack campaigns).
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**2. Observation History**
- Recent Activity (Last 30 Days):
- Scans: 17 total observations (0.70β0.35 confidence). No malicious payloads or open ports detected.
- Traceroute: Geolocation inconsistency (low RTT vs. long distance).
- Subnet Abuse: Mixed risk (abuse density 0.396; 99/250 siblings flagged as threats).
- DNS: PTR record points to `proxy-ca010-san33.ahrefs.net` (likely legitimate Ahrefs infrastructure).
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**3. Relationships**
- Network Associations:
- Linked to OVH network `OVH-CUST-281059689`.
- DNS hostname `proxy-ca010-san33.ahrefs.net` (Ahrefs Pte Ltd).
- No Known Malicious Connections: No ties to C2 servers, phishing domains, or blacklists.
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**4. Neighborhood Analysis**
- Subnet: `51.222.95.33/24`
- Risk Distribution:
- 69 IPs flagged as medium risk (avg. 40 score).
- 31 IPs low risk (avg. 25 score).
- Abuse Density: 0.396 (moderate risk; 99/250 siblings flagged).
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**5. Actionable Insights**
- Monitor Subnet: The /24 subnet contains mixed-risk IPs; prioritize monitoring high-risk siblings.
- Verify Geolocation: Investigate the RTT anomaly (26ms vs. 5,598km distance) for potential spoofing or misconfigured routing.
- Confirm DNS Validity: Ahrefsβ DNS record appears legitimate but validate against known good lists (e.g., DNSBLs).
- No Immediate Threat: No malicious indicators detected, but the subnetβs abuse density suggests broader network scrutiny.
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Conclusion: 51.222.95.33 is a low-risk cloud instance associated with Ahrefs, with no direct malicious activity. However, its subnet contains moderate-risk neighbors, warranting further investigation into potential lateral movement or shared infrastructure compromises.
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-281059689 |
| CIDR Block | 51.222.95.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | β |
π DNS Intelligence
| PTR | proxy-ca010-san33.ahrefs.net |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca010-san33.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 | Hosting β Infrastructure provider without advanced routing |
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 | 34% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 40% | 2 | 3 |
| Overall | 23% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-23 12:24:15 UTC |
| Last Seen | 2026-06-28 21:44:22 UTC |
| Profile Built | 2026-06-29 03:48:07 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 21 |
Full dossier details are available via our API.