15.235.27.30
IP Intelligence Briefing: 15.235.27.30
Date: 2026-06-14
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**1. Risk Assessment**
- Overall Risk: Moderate (Risk Score: 50/100)
- Threat Indicators: No active malicious activity detected. No known campaigns, spam, or attacker associations.
- Network Role: Cloud-hosted infrastructure (OVH CloudCompute).
- Geolocation: Registered to Singapore (CA), with plausible geolocation data.
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**2. Observation History**
- Recent Activity (Last 30 Days):
- Minimal risk signals (operator score: 0.2174).
- DNSSEC and CAA records validated, no DNSBL listings.
- No spikes in threat indicators or network anomalies.
- Long-Term Trends: Stable ownership (OVH) and consistent network classification.
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**3. Relationships & Dependencies**
- Network Affiliation:
- Subnet: `15.235.27.0/24` (OVH-CUST-281059692).
- Linked to Ahrefs Pte Ltd (proxy hostname: `proxy-ca013-san30.ahrefs.net`).
- Certificates & Services:
- TLS/SSL: No active certificates detected.
- DNS: PTR record resolves to a proxy hostname, no email authentication (SPF/DKIM).
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**4. Neighborhood Analysis**
- Subnet Abuse Density: Low (0.498).
- Neighbor Risk Distribution:
- High Risk: 0 IPs
- Medium Risk: 95 IPs
- Low Risk: 5 IPs
- Notable Neighbors:
- `15.235.27.0/24` (OVH subnet) with mixed risk scores.
- No high-risk neighbors detected.
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**5. Recommendations**
- Monitoring: Track DNS activity and network traffic for anomalies.
- Firewall Rules: Consider allowing traffic to this IP for legitimate cloud services (OVH).
- Validation: Verify Ahrefs proxy hostname legitimacy via domain reputation checks.
Conclusion: This IP is part of a legitimate cloud infrastructure with no immediate threat indicators. Monitor for unexpected changes in network behavior or DNS activity.
Source: IPDebrief Threat Intelligence Platform
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059692 |
| CIDR Block | 15.235.27.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca013-san30.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca013-san30.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 26% | 2 | 4 |
| routing | 33% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 37% | 3 | 5 |
| reputation | 28% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 27% | 12 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-13 00:03:03 UTC |
| Last Seen | 2026-06-27 22:18:35 UTC |
| Profile Built | 2026-06-28 16:23:32 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 30 |
Full dossier details are available via our API.