15.235.27.232
IP Intelligence Briefing: 15.235.27.232
*Generated via IPDebrief Analysis*
---
**1. Core Profile**
- Risk Score: Moderate (40/100)
- Ownership: Registered to Ahrefs Pte Ltd (OVH ASN 16276).
- Geolocation:
- Country: Canada (CA)
- City: Singapore (geolocation plausibility flagged as *false*).
- RTT anomaly detected: 26ms latency inconsistent with 6082km distance.
- Network Role: CloudCompute (OVH infrastructure).
- DNS:
- PTR hostname: `proxy-ca013-san232.ahrefs.net`
- No email authentication records (SPF/DKIM).
- Threat Indicators: None detected.
---
**2. Observation History**
- Recent Activity (June 13–17, 2026):
- Geolocation: Confirmed as Canada (CA) via 5 probes.
- Network Stability: Route stability flagged as *unstable* (BGP route changes).
- Subnet Abuse: Subnet `15.235.27.0/24` has 57.42% abuse density, with 147 threat siblings.
- DNSSEC: Valid; CAA records present.
---
**3. Network Relationships**
- Shared Network: Linked to OVH-CUST-281059692 (ASN 16276).
- Subnet Context:
- 15.235.27.0/24 contains 256 IPs (182 active, 147 flagged as threats).
- Inherited Risk: 22/100 (subnetwork abuse).
- Neighbors:
- 100 IPs in subnet; 98 scored *medium* risk, 2 *low*.
- Notable: IPs like `15.235.27.0` and `15.235.27.1` share same risk profile.
---
**4. Threat Context**
- No Malicious Indicators: No blacklists, spam, or campaign associations.
- Cloud Compute Risk: While legitimate, cloud instances may host compromised workloads. Monitor for unexpected outbound traffic.
- Geolocation Discrepancy: Singapore (city) vs. Canada (country) raises spoofing concerns. Verify DNS/AS origin authenticity.
---
**5. Recommendations**
- Monitor Subnet: High abuse density in `15.235.27.0/24` warrants closer scrutiny.
- Validate Geolocation: Investigate RTT anomaly to rule out IP spoofing.
- Secure Cloud Instance: Ensure Ahrefs Pte Ltd’s cloud infrastructure is configured with firewall rules (e.g., restrict inbound ports).
- DNS Hardening: Enforce SPF/DKIM for `ahrefs.net` to mitigate email spoofing risks.
---
*End of Briefing*
*Generated by IPDebrief | © 2026 Jason Alberino*
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-281059692 |
| CIDR Block | 15.235.27.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca013-san232.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca013-san232.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 | 25% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 27% | 1 | 3 |
| geolocation | 30% | 2 | 3 |
| Overall | 21% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-07 23:03:45 UTC |
| Last Seen | 2026-06-27 00:03:08 UTC |
| Profile Built | 2026-06-27 20:15:35 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 29 |
Full dossier details are available via our API.