51.222.168.83
IP Intelligence Briefing: 51.222.168.83
*Generated via IPDebrief tools (June 6, 2026)*
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**1. Risk Assessment**
- Overall Risk Score: 25 (Low Risk)
- Provider Score: 0 (No provider risk indicators)
- Authority Score: 0 (No authoritative malicious activity)
- Stability Score: 0 (Unstable network behavior)
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**2. Ownership & Geolocation**
- ISP/Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059697)
- Geolocation:
- Country: Canada (CA)
- City: Singapore (discrepancy noted; may indicate misconfigured DNS or spoofing)
- Coordinates: Latitude 56.13, Longitude -106.35 (3000km accuracy radius)
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**3. Network & Infrastructure**
- Network Role: CloudCompute (OVH-hosted, no residential/mobile traffic)
- Services: No open ports, no TLS/HTTP services detected
- DNS:
- PTR hostname: `proxy-ca018-san83.ahrefs.net`
- Linked domain: `ahrefs.net` (legitimate, no email auth records)
- BGP:
- Origin ASN: 16276 (OVH)
- Route stability: Unstable (route changes in last 30 days)
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**4. Threat Indicators**
- Malicious Activity: None detected (no indicators, blacklists, or campaigns)
- DNSBL: Listed in 1/8 DNSBLs (low priority)
- Historical Signals:
- Minimal operator risk (0.2174 score)
- Subnet abuse density: 0.3775 (mixed classification, 94/249 siblings flagged)
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**5. Neighborhood Analysis**
- Subnet: 51.222.168.0/24
- Abuse Density: 37.75% (149 active IPs, 94 flagged as risky)
- Notable Neighbors:
- 51.222.168.1: Risk 40/100
- 51.222.168.2–4: Risk 50/100
- 51.222.168.0: Risk 25/100 (own IP)
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**6. Recommendations**
- Monitor Neighbors: Focus on high-risk siblings (e.g., 51.222.168.1–4) for potential lateral movement.
- Verify Geolocation: Investigate Singapore/Canada discrepancy (DNS misconfiguration or spoofing).
- Cloud Security: Ensure Ahrefs infrastructure is properly configured to prevent unintended exposure.
- DNS Validation: Confirm PTR records and domain ownership for `ahrefs.net` to rule out spoofing.
Conclusion: Low-risk IP associated with a legitimate cloud provider. No immediate threat detected, but subnet-wide abuse suggests broader monitoring is warranted.
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-281059697 |
| CIDR Block | 51.222.168.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca018-san83.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca018-san83.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 | 24% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 12% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 31% | 2 | 3 |
| Overall | 20% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-12 03:44:12 UTC |
| Last Seen | 2026-06-27 21:00:42 UTC |
| Profile Built | 2026-06-28 15:06:16 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 26 |
Full dossier details are available via our API.