51.75.236.155
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: 51.75.236.155
*Last Updated: 2026-06-18*
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Ahrefs Pte Ltd Dmytro (ASN 16276)
- Geolocation: France (FR), OVH infrastructure
- Network Role: CloudCompute hosting (OVH)
- Threat Indicators: No malicious activity detected (no known attackers, spam, or campaigns).
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**2. Network & Subnet Context**
- Subnet: 51.75.236.155/24
- Subnet Abuse Density: 75% (high abuse classification)
- Neighbor Risk: 31 IPs in subnet, 24 flagged as high/medium risk.
- Key Neighbors:
- 51.75.236.128–159 (risk scores 40–50), 51.75.236.153/156/157 (higher risk).
- Inherited Risk: 30% from subnet abuse density.
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**3. Historical Observations**
- Risk Stability: Consistent moderate risk (40) since June 14, 2026.
- Abuse Density: Subnet classified as "high_abuse" since June 14.
- Activity Trends: No significant changes in geolocation, DNS, or threat signals.
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**4. Relationships & Dependencies**
- Network Relationships: Linked to OVH network (OVH_282114226) via same-subnet connections.
- DNS: PTR record points to `proxy-fr001-san155.ahrefs.net` (Ahrefs domain).
- Services: No open ports, TLS, or HTTP services detected.
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**5. Threat & Security Context**
- No Direct Threats: No malicious indicators (no blacklists, Tor, or spam).
- Subnet Risks: High abuse density suggests potential for lateral movement or compromised neighbors.
- Recommendations:
- Monitor subnet for unusual activity.
- Consider isolating this IP if it handles sensitive data.
- Validate DNS records and ensure no unauthorized subdomains.
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Summary:
The IP 51.75.236.155 is associated with Ahrefs, a legitimate company, but resides in a subnet with high abuse density. While no direct threats are detected, the surrounding network's risk profile warrants closer scrutiny. SOC teams should monitor for anomalies in the subnet and ensure proper segmentation.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-fr001-san155.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-fr001-san155.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 | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 27% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 20% | 10 | 16 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:27 UTC |
| Last Seen | 2026-06-27 07:25:46 UTC |
| Profile Built | 2026-06-28 07:32:52 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 27 |
🔍 22 signal types · 27 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.