IP Intelligence Briefing: 51.222.168.100
Date: 2026-06-16
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Subnet: 51.222.168.0/24
- Geolocation:
- Country: Singapore (geoplaced via ARIN)
- Region: QC (possibly a data entry error, as the IP is registered to Singapore)
- Network Role:
- Cloud Hosting: Yes (OVH infrastructure)
- Services: No open ports or TLS services detected
- Threat Indicators: No malicious activity, spam, or known attacker associations
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**2. Observation History**
- Latest Scan (2026-06-16):
- No active services or TLS certificates detected.
- Subnet (51.222.168.0/24) shows mixed risk: 100 neighbors, 99 with medium risk, 1 with low risk.
- Trends:
- No significant changes in risk scores or geolocation over time.
- Low confidence in geolocation data (accuracy radius: 3000 km).
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**3. Relationships**
- DNS Associations:
- Linked to `proxy-ca018-san100.ahrefs.net` (Ahrefs Pte Ltd).
- Network Affiliation:
- Part of OVH-CUST-281059697 subnet, managed by OVH.
- Threat Context:
- No direct ties to known campaigns, malware, or blacklists.
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**4. Neighborhood Analysis**
- Subnet Abuse Density: 0% (low risk).
- Neighbor Risk Distribution:
- High Risk: 0 IPs
- Medium Risk: 99 IPs
- Low Risk: 1 IP (itself)
- Notable Neighbors:
- IPs like `51.222.168.0` and `51.222.168.1` show medium risk scores.
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**5. Threat Assessment**
- Likelihood of Malicious Activity: Low.
- Potential Red Flags:
- Geolocation inconsistency (Singapore vs. Canada).
- Subnet contains medium-risk neighbors, warranting closer scrutiny.
- Recommendations:
- Monitor subnet for unusual traffic patterns.
- Verify geolocation accuracy via additional probes.
- Ensure DNS records (`proxy-ca018-san100.ahrefs.net`) are legitimate and not misused.
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Conclusion:
The IP 51.222.168.100 is associated with a legitimate cloud hosting provider (OVH) and is part of a subnet with mixed risk. While no direct threats are detected, the subnet's medium-risk neighbors suggest potential network-level risks. SOC teams should monitor for anomalies and validate geolocation data. No immediate mitigation required, but ongoing observation is advised.
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-san100.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca018-san100.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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 21% | 2 | 2 |
| ownership | 24% | 2 | 2 |
| reputation | 17% | 1 | 1 |
| geolocation | 21% | 2 | 2 |
| Overall | 18% | 9 | 9 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-06-08 23:44:23 UTC |
| Last Seen | 2026-06-25 20:09:47 UTC |
| Profile Built | 2026-06-21 15:43:17 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
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