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🦧 LAN Orangutan
Self-hosted network discovery for homelabbers
Developed by 291 Group
Scan your networks, discover devices, label and track them — all from a clean web UI or CLI.
Auto-Discovery
Discover devices using nmap with MAC addresses and vendor lookup
Persistent Labeling
Label, group, and add notes to devices that persist across scans
Multi-Network & Tailscale
Support for multiple networks with Tailscale integration built-in
Single Binary
Cross-platform (Linux, macOS, Windows) with no dependencies
Up and Running in Seconds
Three simple steps to start discovering devices on your network
Install nmap
# macOS
brew install nmap
# Ubuntu/Debian
sudo apt install nmap
Download & Run
# Download from GitHub Releases
chmod +x orangutan
# Run with sudo for full info
sudo ./orangutan serve
Open Dashboard
# Open in your browser
http://localhost:291
# Start discovering devices! 🦧
Everything You Need
Built for homelabbers, by homelabbers
Auto-discover devices
Using nmap for reliable network scanning
Label & organize
Group devices and add notes
Multi-network
Scan multiple networks at once
Tailscale integration
See your Tailnet devices too
Modern web UI
Clean dashboard with light/dark mode
Full CLI
JSON output for scripting
Cross-platform
Linux, macOS, Windows
Single binary
No dependencies, just run it
Accessible
Usage from browser or command line
Easy to use
No more unknown device IP problems on your LAN
Command Line Usage
Full control from your terminal
# Scan network (use sudo for MAC addresses and vendor info)
sudo orangutan scan # Scan default network
sudo orangutan scan 192.168.1.0/24 # Scan specific network
sudo orangutan scan all # Scan all detected networks
# Start web server
sudo orangutan serve # Default port 291
sudo orangutan serve --port 8080 # Custom port
# List devices
orangutan list # List all devices
orangutan list --online # List online devices only
orangutan list --format json # JSON output
# Export
orangutan export devices.csv # Export to CSV
# Check status
orangutan status # Show system status
orangutan version # Show version infoMore Projects Coming
We're just getting started. Follow us on GitHub to stay updated.
More Software Tools
Additional networking, security, and automation tools in development
Open Source Hardware
PCB designs, schematics, and hardware projects you can build yourself
Ready to Try LAN Orangutan?
Free, open source, and built by veterans. Star us on GitHub if you find it useful!