15.235.98.135
Threat Intelligence Briefing: IP 15.235.98.135/32
Entity Overview:
- IP Address: 15.235.98.135/32
- Geolocation: Registered to OVH (France) but geolocated to Singapore (latitude 37.75, longitude -97.82).
- Organization: Dmytro, Ahrefs Pte Ltd (OVH customer, ASN 16276).
- Network Role: CloudCompute infrastructure (OVH-hosted, no public services).
- Threat Status: Low risk (risk score: 25/100). No active threats, spam, or malicious indicators detected.
Key Observations:
1. Network Context:
- Part of the `15.235.0.0/17` CIDR block, managed by OVH.
- Subnet abuse density: 0% (no malicious activity in adjacent IPs).
- 100 IPs in the /24 subnet, with 24 medium-risk neighbors and 76 low-risk.
2. DNS & Hosting:
- Resolves to `proxy-ca019-san135.ahrefs.net` (Ahrefs, a legitimate SEO tool provider).
- No open ports or TLS services detected.
- DNSSEC and CAA records are valid, but no email authentication (SPF/DKIM) configured.
3. Historical Activity:
- Stable ownership (no recent changes).
- No persistent malicious activity or campaign correlations.
4. Relationships:
- Linked to OVH infrastructure and Ahrefs domain.
- No known Tor exit nodes, CDN, or proxy services.
Recommendations:
- Monitor: Track for unexpected DNS changes or new service exposure.
- Verify: Confirm geolocation discrepancies (Singapore vs. OVH registration).
- No Action Required: Currently no threat indicators justify blocking or further investigation.
Conclusion:
This IP is part of a legitimate hosting environment with no evidence of malicious activity. While geolocation data is inconsistent, the low risk score and absence of threats suggest it is a benign cloud compute resource. Ongoing monitoring is advised for any anomalies.
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-san135.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san135.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 | 46% | 2 | 5 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 32% | 1 | 3 |
| geolocation | 34% | 2 | 3 |
| Overall | 26% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 18:28:46 UTC |
| Last Seen | 2026-06-28 22:31:49 UTC |
| Profile Built | 2026-06-29 04:34:00 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.