15.235.98.181
IP Intelligence Briefing: 15.235.98.181/32
*Generated from IPDebrief analysis*
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**1. Risk Profile**
- Reputation: Low Risk (Risk Score: 25)
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Geolocation: Singapore (CA), no precise coordinates
- Threat Indicators: No malicious activity detected (no indicators, blacklists, or campaigns)
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**2. Network & Hosting Context**
- Network Role: Hosting provider (not residential, not CDN/VPN)
- Subnet: 15.235.98.0/24
- Subnet Abuse Density: 48.44% (mixed classification, 124 threat siblings)
- Neighbor Risk: 85% of subnet IPs flagged as medium/high risk
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**3. Observation History**
- Recent Activity:
- DNS resolution for `proxy-ca019-san181.ahrefs.net` (forwarded once).
- Scanned for open ports (no active services detected).
- BGP route stability: unstable (route changes in last 30 days).
- Signal Confidence: Moderate (0.24–0.75) across network, DNS, and service checks.
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**4. Relationships & Associations**
- Linked Entities:
- Same network: OVH-CUST-281059698
- DNS hostname: `proxy-ca019-san181.ahrefs.net` (owned by Ahrefs)
- Email Security: No SPF/DKIM records detected.
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**5. Neighborhood Analysis**
- Subnet Summary:
- Total IPs: 256
- Active IPs: 209
- Threat IPs: 124 (48.44% abuse density)
- Notable Neighbors:
- 15.235.98.0–15.235.98.4: Moderate risk (scores 40–50)
- 15.235.98.181: Low risk (25)
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**6. Actionable Recommendations**
- Monitor Subnet: High abuse density in 15.235.98.0/24 suggests potential for lateral movement or compromised hosts.
- Verify Hosting Provider: Confirm OVH’s security practices for hosting IPs.
- DNS Monitoring: Track `proxy-ca019-san181.ahrefs.net` for unusual traffic patterns.
- Firewall Rules: No immediate action required, but consider restricting access to this subnet if sensitive services are exposed.
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Conclusion: 15.235.98.181 is low-risk but resides in a subnet with significant abuse. While no direct threats are detected, the surrounding network warrants closer scrutiny.
*Data sourced from IPDebrief intelligence tools (profile, history, relationships, and neighbors).*
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-san181.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san181.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 | 36% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 32% | 1 | 3 |
| geolocation | 34% | 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 | 2026-05-25 18:47:08 UTC |
| Last Seen | 2026-06-29 01:56:24 UTC |
| Profile Built | 2026-06-29 07:59:05 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.