IP Intelligence Briefing: 51.89.129.129
*Generated via IPDebrief Analysis*
---
1. Core Profile
- Risk Rating: Low Risk (Risk Score: 25)
- Ownership: Owned by Ahrefs Pte Ltd (AS16276, OVH)
- Geolocation: London, England, UK (ARIN-registered)
- Network Role: Hosting provider (OVH) with cloud infrastructure
- Threat Indicators: No malicious activity detected (no abuse confidence, blacklists, or campaigns).
---
2. Observation History
- Recent Activity:
- Identified as a cloud-hosted IP (OVH) with no residential/mobile attributes.
- Geolocation inferred via multiple sources (latitude: ~51.5, longitude: ~-0.12).
- Subnet abuse density: 46.09% (mixed classification, 118 threat siblings in /24).
- Temporal Trends:
- No persistent malicious behavior; threat observation count: 1.
---
3. Relationships & Network
- Linked Entities:
- Subnet: `51.89.129.129/24` (OVH infrastructure).
- Associated domain: `ahrefs.net` (CAA records, DNSSEC-valid).
- Neighbor Analysis:
- Subnet contains 256 IPs (114 active, 118 flagged as threat siblings).
- Abuse density: 46.09% (low-risk majority, 22 medium-risk IPs).
---
4. Threat & Security Context
- Threat Feeds: No malicious indicators (no DNSBL listings, spam, or campaigns).
- Control Plane:
- BGP prefix: `51.89.0.0/16` (OVH).
- DNSSEC-valid, CAA records present.
- Behavioral Flags: No honeypot hits or enumeration activity.
---
5. Recommendations
- Monitoring: Track subnet abuse density (46.09%) for potential lateral movement.
- Firewall: Allow traffic via OVH infrastructure (AS16276) but monitor for anomalies.
- Verification: Confirm DNS records (`ahrefs.net`) and ensure CAA/DMARC alignment.
---
Conclusion:
This IP is associated with a legitimate hosting provider (OVH) and appears to be a low-risk cloud-hosted asset. While its subnet shows mixed risk, no direct malicious activity is detected. Continue monitoring for changes in behavior or threat indicators.
*Generated from IPDebrief tools: profile, history, relationships, and neighbors analysis.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | proxy-uk008-san129.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk008-san129.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 29% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-20 05:45:06 UTC |
| Last Seen | 2026-06-28 11:24:00 UTC |
| Profile Built | 2026-06-29 05:28:02 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.