51.89.129.254
IP Intelligence Briefing: 51.89.129.254
Date: 2026-05-31
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**1. Core Profile**
- Risk Score: Low Risk (25/100)
- Ownership:
- AS: AS16276 (OVH)
- Organization: Ahrefs Pte Ltd Dmytro
- Location: London, England (GB)
- Network Role: CloudCompute infrastructure (OVH)
- Threat Indicators: No malicious activity detected; no known attacker, spam, or Tor associations.
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**2. Observation History**
- Latest Activity: 2026-05-31
- Geolocation: Inferred as London, GB (accuracy ±750km).
- Network Context: Part of OVH-managed subnet `51.89.0.0/16`, with moderate abuse density (0.46).
- DNS: Resolves to `proxy-uk008-san254.ahrefs.net` (Ahrefs hostname).
- Threat Feeds: Listed in 1 DNSBL (low severity).
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**3. Relationships**
- Network Associations:
- Linked to OVH subnet `51.89.0.0/16` (same provider).
- DNS ties to `ahrefs.net` (hosting provider).
- No Direct Threat Links: No known campaigns, honeypot hits, or malicious banners.
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**4. Neighborhood Analysis**
- Subnet: `51.89.129.254/24`
- Risk Distribution:
- High Risk: 0 IPs
- Medium Risk: 19 IPs (46% of subnet)
- Low Risk: 81 IPs (78% of subnet)
- Abuse Density: 0.46 (moderate risk).
- Notable Neighbors:
- 118 IPs flagged as potentially malicious in the subnet.
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**5. Recommendations**
- Monitoring: Track the subnet for emerging threats, as 19% of neighbors show medium risk.
- Network Segmentation: Consider isolating this IP if it hosts sensitive services, given its cloud infrastructure role.
- DNS Validation: Verify `ahrefs.net` DNS records for anomalies, as the IP resolves to a hosting-related hostname.
Conclusion: This IP is low risk but resides in a subnet with moderate abuse density. No immediate action required, but ongoing monitoring is advised.
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-uk008-san254.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk008-san254.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 | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 09:25:06 UTC |
| Last Seen | 2026-06-28 07:18:09 UTC |
| Profile Built | 2026-06-29 01:23:10 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 24 |
Full dossier details are available via our API.