15.235.98.51
IP Intelligence Briefing: 15.235.98.51
Date: 2026-06-10
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**1. Core Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: Dmytro, Ahrefs Pte Ltd
- Network: 15.235.98.0/24
- Geolocation:
- Country: Canada (CA)
- City: Singapore (discrepancy noted; geolocation data inconsistent)
- Coordinates: Latitude 43.6319, Longitude -79.3716
- Network Role:
- Provider: OVH (CloudCompute)
- Hosting: Yes
- Subnet Abuse Density: 37.55% (mixed classification)
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**2. Threat Indicators**
- No Direct Threats: No indicators of malicious activity (no spam, attacks, or blacklists).
- DNS Associations:
- Linked to `proxy-ca019-san51.ahrefs.net` (likely a legitimate Ahrefs infrastructure host).
- BGP & Control Plane:
- Route Stability: Unstable (route changes detected).
- RPKI State: Not validated.
- DNSSEC: Valid.
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**3. Observation History**
- Latest Geolocation (2026-06-10):
- Canada (CA) with 70% confidence.
- Earlier records (2026-06-01) show Singapore (43.6319, -79.3716) with 35% confidence.
- Ownership Stability: No ownership changes noted.
- Threat Persistence: No persistent malicious activity detected.
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**4. Network Relationships**
- Subnet: 15.235.98.0/24
- Neighbors:
- Total Siblings: 253 IPs
- Active Siblings: 176
- Threat Siblings: 95 (moderate abuse density).
- Key Associations:
- Same network as OVH-CUST-281059698.
- DNS ties to Ahrefs infrastructure.
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**5. Recommendations**
- Monitor Subnet: The 15.235.98.0/24 subnet has a 37.55% abuse density. Investigate neighboring IPs (e.g., 15.235.98.1–15.235.98.253) for anomalous activity.
- Verify Geolocation: Discrepancy between Canada and Singapore geolocation data may indicate spoofing or misconfigured DNS.
- DNS Security: Ensure DNSSEC validation is enforced for `proxy-ca019-san51.ahrefs.net` to prevent spoofing.
- Route Stability: Investigate BGP instability (route changes) for potential network manipulation.
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Source: IPDebrief (2026-06-10)
Note: No immediate action required for the IP itself, but subnet and DNS associations warrant further scrutiny.
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-san51.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san51.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 | 40% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 34% | 2 | 3 |
| Overall | 23% | 10 | 13 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-25 18:47:08 UTC |
| Last Seen | 2026-06-29 01:56:34 UTC |
| Profile Built | 2026-06-29 07:59:05 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.