51.195.215.157
IP Intelligence Briefing: 51.195.215.157
*Generated via IPDebrief tools: Profile, History, Relationships, Neighbors*
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**Key Findings**
1. Ownership & Geolocation
- Registrar: Ahrefs Pte Ltd (OVH ASN 16276).
- Location: London, England (GB).
- Network Role: CloudCompute infrastructure (OVH-hosted, no residential/mobile indicators).
2. Threat Indicators
- No direct malicious activity detected (zero threat indicators, spam, or known attacker flags).
- Subnet Context: Part of 51.195.215.0/24, classified as high_abuse with 138 threat siblings (68% of subnet).
3. Network Behavior
- Subnet Risk: Abuse density of 0.6758 (recent observation) and 0.5391 (historical).
- Neighbor Analysis: 82% of subnet IPs flagged as medium-risk, 18% low-risk.
4. Relationships
- Linked to OVH_282347345 network (repeated entries in relationships).
- No direct connections to Tor, CDN, or VPN infrastructure.
5. Historical Observations
- First recorded on June 3, 2026, with consistent high_abuse classification.
- No significant changes in risk score or network behavior over 11 days.
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**Actionable Insights**
- Subnet-Level Risk: Despite the IP’s clean profile, its subnet exhibits high abuse activity. Monitor for lateral movement or shared infrastructure risks.
- Provider Context: OVH’s cloud infrastructure may require additional scrutiny, especially given the subnet’s abuse classification.
- Recommendation: Block the entire 51.195.215.0/24 subnet via firewall rules to mitigate potential indirect threats.
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Note: The IP appears legitimate but is part of a high-risk subnet. Further investigation into OVH’s network segmentation or Ahrefs’ infrastructure may reveal mitigations.
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-uk009-san157.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk009-san157.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 | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 32% | 2 | 3 |
| Overall | 22% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:04:25 UTC |
| Last Seen | 2026-06-27 06:38:01 UTC |
| Profile Built | 2026-06-28 00:44:33 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 30 |
Full dossier details are available via our API.