15.235.27.47
IP Intelligence Briefing: 15.235.27.47
*Last Updated: 2026-06-15*
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**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership:
- ISP: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Network: OVH-CUST-281059692
- Geolocation:
- Country: Canada (CA)
- City: Singapore (geo plausibility: False)
- Coordinates: Latitude 56.13, Longitude -106.35 (discrepancy noted)
- Network Role:
- Cloud Compute: Hosting provider (OVH), no CDN/VPN/Proxy detected.
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**2. Threat Indicators**
- Malicious Activity: None detected (no blacklists, campaigns, or DNS-based threats).
- Services: No open ports or TLS/HTTP services identified.
- DNS:
- PTR record: `proxy-ca013-san47.ahrefs.net` (linked to Ahrefs).
- No email authentication (SPF/DKIM) detected.
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**3. Observation History**
- Geo Validation:
- RTT (Round Trip Time) of 28ms reported for 6,082km distance, which is inconsistent with expected latency (minimum 121.6ms).
- Plausibility Flag: False (potential spoofing or proxy).
- Network Stability:
- Subnet `15.235.27.47/24` shows high abuse density (0.53), with 136 threat siblings (risky neighbors).
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**4. Relationships & Neighborhood**
- Network Connections:
- Linked to OVH-CUST-281059692 (same network).
- DNS associations with Ahrefs subdomains.
- Subnet Analysis:
- Total IPs: 256 (15.235.27.0/24).
- Active IPs: 168, Threat IPs: 136 (abuse density: 53%).
- Risk Distribution: 97 IPs flagged as medium risk, 3 as low.
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**5. Recommendations**
- Monitor Subnet: The high abuse density in `15.235.27.47/24` suggests potential for lateral movement or compromised hosts.
- Verify Geolocation: Investigate the geo plausibility discrepancy (6,082km vs. 28ms RTT).
- DNS Monitoring: Track DNS associations with Ahrefs to ensure no unauthorized use of the domain.
- Firewall Rules: Consider restricting access to this subnet if it’s not required for legitimate traffic.
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Next Steps:
- Correlate with internal logs for unusual traffic patterns.
- Validate if the IP is part of a larger malicious infrastructure (e.g., botnets, C2 servers).
- Review Ahrefs’ network for potential compromises.
Threat Level: Moderate (requires monitoring due to subnet risk).
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-san47.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca013-san47.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 | Hosting — Infrastructure provider without advanced routing |
🔌 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 | 30% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 39% | 2 | 3 |
| Overall | 23% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-22 03:08:33 UTC |
| Last Seen | 2026-06-28 17:07:37 UTC |
| Profile Built | 2026-06-29 05:12:01 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
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