51.222.95.134
IP Intelligence Briefing: 51.222.95.134/32
Date: 2026-06-09
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership:
- ISP: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (netname: OVH-CUST-281059689)
- Geolocation: Canada (CA), Quebec (QC), city inferred as Singapore (geoPlausible: false).
- Threat Indicators:
- No direct malicious activity detected (no indicators, blacklists, or campaigns).
- DNS PTR record points to `proxy-ca010-san134.ahrefs.net` (likely a cloud proxy).
- Network Role:
- Cloud compute infrastructure (OVH-hosted).
- No open ports, TLS, or HTTP services detected.
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**2. Observation History**
- First Seen: 2026-06-09
- Signals Observed:
- Subnet abuse density: 59.77% (high_abuse classification).
- 153 threat siblings in the 51.222.95.0/24 subnet.
- DNS resolution to `ahrefs.net` (CAA records present, no email auth).
- Trend: No historical data prior to this observation.
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**3. Relationships**
- Linked Entities:
- Subnet: `51.222.95.0/24` (OVH-CUST-281059689).
- Domain: `ahrefs.net` (proxy hostname).
- No direct links to known malicious organizations or campaigns.
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**4. Neighborhood Analysis**
- Subnet: `51.222.95.0/24` (256 IPs).
- Risk Distribution:
- 78 IPs with medium risk (score 40–50).
- 22 IPs with low risk.
- 0 high-risk IPs.
- Notable Neighbors:
- `51.222.95.0` (riskScore: 40, authorityScore: 50).
- `51.222.95.1` (riskScore: 40, authorityScore: 50).
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**5. Recommendations**
- Monitor Subnet: The 51.222.95.0/24 subnet has a high abuse density (59.77%). Investigate neighboring IPs for potential lateral movement or compromised hosts.
- DNS Security: Ensure DNSSEC validation is enforced for `ahrefs.net` and monitor for unexpected DNS changes.
- Geolocation Discrepancy: The IP reports a city in Singapore but is geolocated to Canada. Verify if this is a false positive or indicative of spoofing.
- Firewall Rules: Consider blocking traffic from this subnet if it aligns with known malicious patterns.
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Note: This IP is associated with a legitimate cloud hosting provider (OVH) and appears to be a proxy server for Ahrefs. No direct malicious activity detected, but its subnet shows elevated abuse risk. Further investigation into the subnet’s activity is recommended.
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-281059689 |
| CIDR Block | 51.222.95.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca010-san134.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca010-san134.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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 39% | 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 | 2026-05-21 21:00:56 UTC |
| Last Seen | 2026-06-28 16:24:13 UTC |
| Profile Built | 2026-06-29 04:28:14 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.