15.235.98.251
IP Intelligence Briefing: 15.235.98.251
Date: 2026-06-09
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**1. Risk Profile**
- Risk Score: 25 (Low Risk)
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Geolocation: Singapore (CA), but coordinates and timezone are unverified.
- Threat Indicators: No malicious activity detected (no spam, attacks, or blacklists).
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**2. Network & Hosting**
- Infrastructure: CloudCompute (OVH-hosted)
- Services: No open ports or TLS/HTTP services detected.
- DNS: Linked to `proxy-ca019-san251.ahrefs.net` (Ahrefs subdomain).
- Subnet: 15.235.98.0/24 (OVH network).
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**3. Historical Observations**
- Stability: Route stability confirmed (no recent changes).
- Consistency: DNS and network role data consistent over time.
- Threat Trends: No escalation in risk signals; low threat persistence.
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**4. Relationships & Neighbors**
- Network Peers:
- Same OVH network (`OVH-CUST-281059698`).
- Subnet abuse density: 33% (moderate risk in neighbors).
- DNS Associations:
- Linked to `ahrefs.net` (no email auth records).
- Neighbor Risk:
- 100 IPs in subnet (69 low-risk, 31 medium-risk).
- No high-risk neighbors.
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**5. Actionable Insights**
- SOC Recommendations:
- Monitor subnet for emerging risks (medium-risk neighbors).
- Verify geolocation accuracy, as coordinates are unconfirmed.
- Ensure cloud instance (OVH) is secured against misconfigurations.
- Firewall Rules:
- Allow traffic only to trusted subnets; block unsolicited inbound.
- No immediate mitigation required for this IP.
Conclusion: 15.235.98.251 is a low-risk cloud instance associated with Ahrefs. While its subnet contains some medium-risk neighbors, the IP itself shows no malicious activity. Focus on subnet monitoring and cloud security.
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-san251.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san251.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 | 20% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 26% | 3 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 39% | 2 | 3 |
| Overall | 27% | 12 | 18 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-20 05:43:37 UTC |
| Last Seen | 2026-06-28 10:48:57 UTC |
| Profile Built | 2026-06-29 04:55:42 UTC |
| Data Freshness | Live |
| Signal Types | 28 |
| Total Observations | 32 |
Full dossier details are available via our API.