51.89.129.241
IP Intelligence Briefing: 51.89.129.241
*Last Updated: 2026-06-06*
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Owner: Ahrefs Pte Ltd Dmytro (ASN 16276, OVH provider)
- Geolocation: London, England (GB)
- Network Role: Hosting infrastructure (OVH)
- Threat Indicators: No malicious activity detected; no DNS/IP threats, spam, or known attacker associations.
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**2. Observation History**
- Recent Activity:
- DNS resolution for `proxy-uk008-san241.ahrefs.net` (2026-06-06).
- Subnet abuse density analysis (51.89.129.241/24) showing mixed classification with 115/256 IPs flagged as threats.
- Geo-validation confirmed plausible UK origin (473.7 km from probe, 92 ms avg RTT).
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**3. Network Relationships**
- Linked Entities:
- OVH_282347344 (same network, 59 instances).
- Ahrefs.net (DNS hostname, no email/auth records).
- Subnet Context:
- 51.89.129.241/24 has 0.4492 abuse density (115/256 IPs flagged).
- 97 active IPs, 17 inherited risk from subnet.
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**4. Neighborhood Risk**
- Neighbor Risk Distribution:
- Low Risk: 87 IPs (riskScore 25).
- Medium Risk: 13 IPs.
- High Risk: 0 IPs.
- Notable Neighbors:
- IPs like `51.89.129.0` and `51.89.129.1` show similar risk profiles (authorityScore 50).
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**5. Actionable Insights**
- SOC Guidance:
- Monitor Subnet: The 51.89.129.241/24 subnet has moderate abuse density; investigate potential lateral movement or related campaigns.
- Verify DNS: Confirm DNS resolution for `ahrefs.net` to ensure no spoofing or misconfiguration.
- No Immediate Mitigation: The IP itself is low risk, but its subnet warrants closer scrutiny due to neighboring threats.
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*Generated by IPDebrief. All data sourced from verified intelligence feeds.*
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-san241.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk008-san241.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 | 25% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 17% | 2 | 3 |
| reputation | 27% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 22% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-12 15:48:22 UTC |
| Last Seen | 2026-06-27 21:48:52 UTC |
| Profile Built | 2026-06-28 21:54:56 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
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