IP Tools for Windows
Obtain information about your IP address, change it or hide it thanks to these IP tools for Windows, with which you'll also be able to scan ports

Hide you IP address from prying eyes

A graphical interface for the command of the same name

Hide your IP address and your geographic location

Define your IP for each WLAN that you connect to

Assess your network security by scanning ports

Packet capturer based on the Ethereal project

Analyze passively the packets of your local network

Assign a name to your IP address

A simple way to find out MAC addresses

Scan both IPs and port ranges

Analyze the computers connected to your local network

Maintaining your privacy is very simple with this program

Automatically updates your dynamic IP, very useful for dynamic Internet connections