Wntipcfg is a graphical tool that gives you information about your IP configuration.
To use wntipcfg
1. At the command prompt, type:
wntipcfg2. The resulting screen identifies your IP address and the IP address of your default gateway.
Note When you make a PPTP connection, Dial-Up Networking changes your default gateway to be the IP address of the PPTP server.
3. Click More info.
4. The resulting screen identifies your IP address, subnet mask, and default gateway for each of your network interfaces, including the interface for your network adapter, your Dial-Up Networking interface, and your PPTP interface.