Network System Information
Discover and identify every device on your network
What is Network System Information?
Network System Information is a powerful yet easy-to-use Windows application that helps you discover and identify all devices connected to your local network. Whether you're troubleshooting network issues, managing your home network, or simply curious about what's connected, this tool provides comprehensive information about every device.
Key Features
Comprehensive Discovery
Active network sweep finds all devices including computers, phones, printers, routers, and smart devices.
Detailed Information
View hostname, manufacturer, operating system, device type, IP address, and MAC address for each device.
Smart & Fast
Local caching provides instant recognition. Scans complete in 30-60 seconds with real-time progress.
System Information
View your local IP, gateway, public IP address, and Internet Service Provider information.
Modern Interface
Clean, intuitive design with real-time updates and easy-to-read device information.
Privacy Focused
All data stored locally. No telemetry or tracking. Open source MIT license.
System Requirements
Minimum Requirements
- Windows 10 or later (64-bit)
- .NET 8.0 Desktop Runtime (installer will check and help you download)
- Network adapter with IPv4 connectivity
- Less than 5 MB disk space
- Internet connection (optional, for manufacturer lookups)
Don't have .NET 8.0 Runtime? No problem! The installer will detect this and guide you to download it. Download .NET 8.0 Runtime here
Installation Instructions
-
Download the installer
Click the download button above to get NetworkSystemInfo-Setup-v1.0.0.exe (1.9 MB) -
Run the installer
Double-click the downloaded file. The installer will check for .NET 8.0 Runtime. -
Install .NET if needed
If prompted, the installer will help you download .NET 8.0 Runtime (one-time, ~50 MB) -
Follow the wizard
Review the Quick Start guide, accept the license, and choose your installation preferences -
Launch and scan
Open from Start Menu or Desktop, click "Scan Network", and discover your devices!
Perfect For
🏠 Home Users
See what devices are connected to your Wi-Fi and identify unknown connections.
💼 IT Professionals
Quick network inventory and troubleshooting tool for your toolkit.
🔧 Network Admins
Identify unknown devices and maintain network documentation.
🔐 Security Conscious
Monitor your network for unauthorized devices and potential security issues.
Frequently Asked Questions
Q: Is this software really free?
A: Yes! Completely free for personal and commercial use under the MIT License. No hidden costs, no subscriptions.
Q: Is my data safe?
A: Absolutely. All device information is stored locally on your computer. No personal data is transmitted. External API calls are limited to public IP lookup, ISP information, and MAC manufacturer lookup.
Q: Why don't I see all my devices?
A: Some devices may be sleeping, powered off, or on a different subnet. Firewall settings can also affect discovery. Guest networks often isolate devices for security.
Q: Do I need administrator rights?
A: No, the application installs to your user profile and doesn't require admin rights to run.
Q: How does it identify devices?
A: The application uses multiple methods: DNS hostname resolution, NetBIOS queries, MAC address manufacturer lookup, TTL-based OS detection, and pattern matching for device type classification.
Q: Will it slow down my network?
A: No, the application limits concurrent pings to 50 to prevent network congestion. Scans are designed to be network-friendly.
Support & Contact
Developer: Andrew Cheyne
Website: andrewcheyne.com
Email: [email protected]
Comprehensive documentation is included with the installer:
- Quick Start Guide
- Troubleshooting Guide
- Complete README
We welcome your feedback, bug reports, and feature suggestions!