IP Intelligence Briefing: 51.222.168.188
*Last Updated: 2026-06-18*
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Subnet: 51.222.168.0/24
- Geolocation:
- Country: Canada (QC, Montreal)
- Latitude/Longitude: Unavailable
- GeoValidation: Invalid (RTT 25ms inconsistent with 5598km distance)
- Threat Indicators:
- No malicious indicators, spam, or blacklisted activity.
- Not associated with Tor, known attackers, or campaigns.
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**2. Network Context**
- Subnet Abuse Density: 66.8% (High Abuse)
- Total Siblings: 256 IPs in 51.222.168.0/24
- Active Threat Siblings: 171 (66.8% of subnet)
- Inherited Risk: 26 (moderate)
- Network Role:
- Cloud Compute (OVH hosting)
- No CDN/VPN/Proxy/Residential activity.
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**3. Observational History**
- Recent Activity (Last 30 Days):
- 1 observation (June 18, 2026) with moderate confidence.
- Subnet abuse density increased to high_abuse (0.668).
- No persistent malicious activity detected.
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**4. Relationships & DNS**
- Linked Entities:
- DNS: `proxy-ca018-san188.ahrefs.net` (Ahrefs, Singapore)
- Certificates: No TLS/SSL certificates found.
- Email: No SPF/DKIM records; no email reputation data.
- Network Relationships:
- Same network: OVH-CUST-281059697 (256 IPs).
- No direct links to known malicious organizations or domains.
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**5. Neighborhood Analysis**
- Subnet Neighbors (51.222.168.0/24):
- 100 IPs with medium risk scores (average 45).
- Abuse Density: 66.8% (High Abuse).
- Key Neighbor IPs:
- 51.222.168.0 (risk 40)
- 51.222.168.1 (risk 40)
- 51.222.168.2 (risk 50)
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**6. Recommendations**
- Monitor Subnet: High abuse density in 51.222.168.0/24 warrants closer scrutiny.
- Verify DNS: Confirm legitimacy of `ahrefs.net` DNS resolution.
- Geolocation Discrepancy: Investigate the geovalidation anomaly (25ms RTT vs. 5598km distance).
- Network Segmentation: Isolate cloud-hosted assets (OVH) to limit lateral movement risks.
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*This IP appears legitimate but resides in a high-risk subnet. Prioritize subnet-level analysis and validate DNS/geo inconsistencies.*
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-san188.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca018-san188.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 | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 23% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:04:26 UTC |
| Last Seen | 2026-06-27 06:52:35 UTC |
| Profile Built | 2026-06-28 00:58:14 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 27 |
Full dossier details are available via our API.