Get your IP easily: Be it local, public or a virtual interface's,
it's easy to understand and one click away.
Make sure your VPN is working: What IP shows your location based
on your IP address, so that you can make sure your VPN is working.
Test your ports: List the ports listening on your system, and
check if they're publicly reachable.
Discover devices on your LAN: List all devices on your LAN and
easily copy their addresses.