15.235.98.40
IP Intelligence Briefing: 15.235.98.40
Date: June 9, 2026
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**Risk Profile**
- Reputation: Moderate Risk (Risk Score: 50)
- Ownership: Owned by Dmytro, Ahrefs Pte Ltd (OVH ASN 16276).
- Geolocation: Registered to Singapore (country code CA), with inferred coordinates (56.13°N, -106.35°W).
- Network Role: Cloud compute infrastructure (OVH-hosted, no residential/mobile attributes).
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**Threat Observations**
- Recent Activity (Last 30 Days):
- Listed in 8 threat feeds (confidence: 85%), including high-severity indicators.
- DNS records resolve to proxy-ca019-san40.ahrefs.net (linked to Ahrefs).
- No known malicious campaigns, spam, or Tor associations.
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**Network Relationships**
- Subnet: 15.235.98.0/24 (OVH-CUST-281059698).
- Neighbors:
- 253 IPs in subnet (155 active, 87 flagged as high/medium risk).
- Abuse Density: 34.4% (mixed risk profile).
- DNS Associations:
- Linked to ahrefs.net (CAA records present, no email auth detected).
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**Behavioral Indicators**
- Services: No open ports or TLS certificates detected.
- Hosting: Likely legitimate cloud infrastructure (OVH-hosted).
- BGP: Stable route (no recent changes), RPKI valid.
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**Recommendations**
1. Monitor Threat Listings: The IP is listed in 8 feeds with high confidence. Investigate if these are false positives or legitimate threats.
2. Verify DNS Associations: Confirm if Ahrefs’ DNS infrastructure is under attack or if the IP is a legitimate proxy.
3. Subnet Analysis: Prioritize monitoring high-risk neighbors in the 15.235.98.0/24 subnet.
4. Check for Anomalies: Ensure no unexpected traffic patterns or DNS resolution issues.
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Source: IPDebrief Threat Intelligence Platform
Note: This IP is part of a hosting provider’s infrastructure; further context may require correlation with internal logs or additional threat feeds.
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-san40.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san40.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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-21 14:56:17 UTC |
| Last Seen | 2026-06-28 13:48:51 UTC |
| Profile Built | 2026-06-29 07:55:37 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.