15.235.98.25
IP Intelligence Briefing: 15.235.98.25
*Generated from IPDebrief analysis*
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**Overview**
- Risk Profile: Moderate Risk (Risk Score: 50)
- Provider: OVH (ASN: AS16276)
- Organization: Dmytro, Ahrefs Pte Ltd (OVH-CUST-281059698)
- Geolocation:
- Country: Canada (CA) per geolocation data, but DNS records link to Singapore (ahrefs.net).
- Coordinates: Latitude 56.13, Longitude -106.35 (approx. 3000km accuracy).
- Network Role: Cloud Compute (OVH infrastructure, no residential/mobile indicators).
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**Threat Indicators**
- No direct malicious activity: No indicators of spam, attacks, or blacklisted status.
- DNS Associations:
- Linked to `proxy-ca019-san25.ahrefs.net` (ahrefs.net), a legitimate domain with SPF/DKIM records.
- Subnet Analysis:
- 15.235.98.0/24 subnet:
- Abuse Density: 38.74% (mixed classification).
- Threat Siblings: 98 IPs in subnet flagged as risky.
- Active IPs: 176 total, 15 with inherited risk.
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**Observation History**
- Recent Activity (2026-06-11):
- Listed in 1 threat feed (confidence: 85%).
- DNS resolution confirmed for `proxy-ca019-san25.ahrefs.net`.
- Historical Trends:
- Subnet abuse density detected since 2026-06-01.
- Geolocation inferred as Canada (possibly misattributed).
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**Relationships**
- Network: Same subnet (`15.235.98.0/24`) with OVH.
- DNS: Strong ties to `ahrefs.net` (proxy hostname).
- No direct links to known malicious organizations or campaigns.
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**Recommendations**
1. Monitor Subnet: The 15.235.98.0/24 subnet has a 38.74% abuse density; investigate neighboring IPs for potential risks.
2. Verify Geolocation: Discrepancy between Canada (geolocation) and Singapore (DNS) warrants further validation.
3. Check DNS Behavior: Ensure `ahrefs.net` is not being used for malicious purposes (e.g., C2, phishing).
4. Baseline Risk: No immediate action required for this IP, but continuous monitoring is advised due to subnet-level risks.
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*End of briefing*
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-san25.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san25.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 | 33% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 22% | 10 | 15 |
| Data Coherence | Mixed Signals (60%) — 2 contradiction(s) |
| Attribution | Very Low (20%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Geo sources disagree on country: US, CA
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-26 12:51:04 UTC |
| Last Seen | 2026-06-29 03:00:58 UTC |
| Profile Built | 2026-06-29 03:17:13 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 23 |
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