15.235.98.55
IP Intelligence Briefing: 15.235.98.55
Date: 2026-06-09
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership:
- ASN: 16276
- ISP: OVH
- Organization: Ahrefs Pte Ltd (registered with ARIN)
- Network: 15.235.98.0/24
- Geolocation:
- Country: Canada (CA)
- City: Singapore (plausibility flag raised due to RTT mismatch for distance)
- Coordinates: 56.13°N, -106.35°W (inferred from DNS data)
- Network Role:
- Infrastructure: CloudCompute (OVH-hosted)
- Services: No open ports or TLS certificates detected
- Hosting: Likely a firewalled server with no public services
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**2. Threat & Activity History**
- Recent Observations (30 days):
- No malicious indicators, abuse reports, or campaign ties detected.
- Geolocation anomalies: RTT (27ms) inconsistent with 6082km distance (minimum possible RTT: 121.6ms).
- Subnet abuse density: 45.1% (moderate risk in sibling IPs).
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**3. Relationships & Context**
- Linked Entities:
- Subnet: 15.235.98.0/24 (OVH-CUST-281059698)
- DNS: Resolves to `proxy-ca019-san55.ahrefs.net` (Ahrefs Pte Ltd)
- Certificates: No TLS certificates or domain associations detected
- Network Classification:
- Provider: OVH (cloud hosting)
- Infrastructure Type: CloudCompute (no CDN, VPN, or Tor activity)
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**4. Subnet Neighbors**
- Subnet: 15.235.98.0/24 (255 IPs)
- Risk Distribution:
- High Risk: 0 IPs
- Medium Risk: 62 IPs
- Low Risk: 38 IPs
- Notable Neighbors:
- 15.235.98.0–15.235.98.4: Moderate risk (40–50 score)
- 15.235.98.55 (target IP) has no direct threat associations
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**5. Recommendations**
- SOC Action:
- Monitor subnet for unusual traffic patterns or new high-risk neighbors.
- Validate geolocation anomalies (e.g., probe routing paths).
- Ensure no unexpected services are exposed on this cloud-hosted IP.
- Firewall Rules (Example):
- Block high-risk subnet IPs (e.g., `15.235.98.0/24`) if they appear in threat feeds.
- Apply strict egress rules to cloud-hosted infrastructure.
Conclusion: 15.235.98.55 is a low-risk cloud server operated by Ahrefs, with no direct malicious activity. Focus on subnet-level risks and validate geolocation discrepancies.
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-san55.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca019-san55.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 | 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 20:59:21 UTC |
| Last Seen | 2026-06-28 15:31:41 UTC |
| Profile Built | 2026-06-29 03:35:28 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 24 |
Full dossier details are available via our API.