15.235.98.29
IP Intelligence Briefing: 15.235.98.29
*Generated via IPDebrief Threat Intelligence Platform*
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**Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership: Registered to Dmytro, Ahrefs Pte Ltd (OVH ASN 16276).
- Geolocation: Singapore, CA (latitude 56.13, longitude -106.35).
- Network Role: Cloud compute instance (OVH infrastructure, hosted).
- Threat Indicators: No known malicious activity (no malware, phishing, or exploit indicators).
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**Observation History (30-Day Trend)**
- Abuse Density: 0.3882 (moderate risk in subnet).
- Stability: Route stability score 0.2174 (Minimal operator risk).
- DNSSEC/Caa: Validated.
- DNSBL: Listed in 1 DNSBL (low priority).
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**Network Relationships**
- Subnet: 15.235.98.0/24 (OVH-CUST-281059698).
- Neighbors: 100 IPs in subnet (60% low risk, 40% medium risk).
- Key Links:
- DNS hostname: `proxy-ca019-san29.ahrefs.net` (Ahrefs.net domain).
- BGP prefix: 15.235.0.0/17 (OVH route).
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**Threat Context**
- No Campaigns: No correlated malicious activity or known exploits.
- Subnet Risk: Moderate abuse density (99 malicious siblings in /24).
- DNS Security: Valid CAA records but no SPF/DKIM email authentication.
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**Recommended Actions**
1. Monitor Subnet: Track neighbors with medium risk scores (e.g., 15.235.98.0, 15.235.98.2).
2. Verify DNSBL: Investigate DNSBL listing context (e.g., false positives or misconfigurations).
3. Network Segmentation: Consider isolating high-risk neighbors in the 15.235.98.0/24 subnet.
4. DNS Hardening: Enable SPF/DKIM for `ahrefs.net` to improve email security.
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*End of Briefing*
*Generated by IPDebrief 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-281059698 |
| CIDR Block | 15.235.98.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca019-san29.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san29.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 | 12% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 31% | 2 | 3 |
| Overall | 20% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-09 17:41:10 UTC |
| Last Seen | 2026-06-27 16:01:23 UTC |
| Profile Built | 2026-06-28 10:06:59 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 25 |
Full dossier details are available via our API.