Free IP Scanner is a free portable network scanning utility that scans local networks and displays information about connected devices, including IP addresses, MAC addresses, hostnames, and open ports. It is commonly used for network troubleshooting, device discovery, and monitoring activity on local area networks.
Free IP Scanner helps identify active devices on a local network by scanning IP ranges and displaying network details such as hostnames, MAC addresses, and open ports.
Free IP Scanner | Portable Network Scanner

This lightweight utility scans local networks to quickly locate active devices and gather useful network information without requiring installation.
Its portable design makes it useful for troubleshooting and network discovery across multiple Windows systems.
How It Works
The application scans a specified IP range and checks which devices respond. When an active device is detected, the scanner attempts to retrieve additional network information.
- Scans IP ranges within a local network or subnet
- Detects active devices
- Retrieves hostnames, MAC addresses, and NetBIOS information
- Checks for open ports
- Exports scan results for analysis or documentation
Key Features
- IP Range Scanning: Scan local subnets and custom IP ranges.
- Port Detection: Identify open TCP and UDP ports.
- Device Information: View IP addresses, MAC addresses, hostnames, and available NetBIOS details.
- Export Support: Save scan results as CSV or text files.
- Custom Scan Settings: Configure timeouts and scan behavior.
- Portable Utility: No installation required.
- Simple Interface: Lightweight and easy to use.
Common Use Cases
- Finding active devices on a home or office network
- Identifying unknown devices connected to a LAN
- Troubleshooting network connectivity issues
- Checking open ports for diagnostics
- Creating network inventory reports
- Running portable scans from a USB drive
Important Notes
This utility is designed primarily for local network scanning and smaller network environments. Larger enterprise networks may require more advanced monitoring solutions.
Some information, such as hostnames or logged-in users, may depend on network permissions, firewall settings, or device configuration.
Frequently Asked Questions (FAQ)
Is Free IP Scanner really free?
Yes. The application is completely free to download and use.
Can it scan devices outside my local network?
No. It is designed mainly for scanning local networks and specified internal IP ranges.
Does it require installation?
No. The utility is fully portable and can run directly from a folder or USB drive.
What information can it retrieve from devices?
It can display IP addresses, MAC addresses, hostnames, NetBIOS information, open ports, and other available network details.
Can it detect unauthorized devices?
Yes. The scanner can help identify unknown or unexpected devices connected to your local network.
Specifications | Official Site | Download
- Extracted Size: Approximately 432 KB
- Author Website: Official Project Page
- Developer: Eusing Software
- License: Freeware
- Platform: Windows
- Supported Operating Systems: Windows 11, Windows 10, Windows 8
- Category: Network Utilities
- Portable: Yes
- Download: Free IP Scanner Download
Final Thoughts
Free IP Scanner is a lightweight and practical network utility for discovering devices, checking connectivity, and gathering basic network information on local area networks. Its speed, portability, and simple interface make it a useful addition to any USB toolkit for network troubleshooting and device discovery.