IP Intelligence Briefing: 51.222.168.44
*Generated using IPDebrief analytics*
---
**Core Profile**
- Risk Score: Moderate (50/100)
- Provider: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (OVH-CUST-281059697)
- Geolocation:
- Country: Canada (CA)
- City: Singapore (discrepancy noted)
- Latitude/Longitude: Unverified (RTT anomaly detected)
- Network Role: CloudCompute (OVH-hosted)
---
**Threat Indicators**
- No direct malicious indicators (no abuse confidence scores, spam, or known attacker flags).
- Subnet Analysis:
- 51.222.168.44/24 has high abuse density (0.56).
- 140/250 sibling IPs flagged as threats.
- 202 active IPs in subnet, 6 low-risk, 93 medium-risk, 0 high-risk.
---
**Observation History**
- Recent Activity (2026-06-14):
- DNS: Resolves to `proxy-ca018-san44.ahrefs.net` (no verified PTR).
- Geolocation Anomaly: RTT of 25ms (<112ms expected for 5,598km distance).
- Network Stability: Unstable BGP route (route changes in 30 days).
---
**Relationships**
- Linked Entities:
- Subnet: `51.222.168.44/24` (OVH-owned).
- Hostnames: `proxy-ca018-san44.ahrefs.net` (DNS).
- Organization: Ahrefs Pte Ltd (OVH customer).
---
**Actionable Insights**
1. Monitor Subnet: High abuse density in the subnet suggests potential for lateral movement or network compromise.
2. Verify Geolocation: Discrepancy between reported city (Singapore) and RTT (Canada) may indicate spoofing.
3. Check Cloud Compute: OVH-hosted infrastructure may require additional logging or access controls.
4. Neighboring IPs: 93% of subnet IPs are medium-risk; consider correlating with other threats.
---
Recommendation:
- Block or monitor traffic from this subnet based on risk tolerance.
- Validate geolocation data with alternative sources (e.g., IP geolocation APIs).
- Investigate Ahrefs Pte Ltdโs network for potential compromises.
*Data sourced from IPDebrief analytics as of 2026-06-14.*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059697 |
| CIDR Block | 51.222.168.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca018-san44.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca018-san44.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 | 39% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 12% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 37% | 2 | 3 |
| Overall | 22% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-11 21:44:40 UTC |
| Last Seen | 2026-06-27 20:30:27 UTC |
| Profile Built | 2026-06-28 14:36:19 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 25 |
Full dossier details are available via our API.