Find Your IP

If you want to connect to a PC via Remote Desktop (RDC), you need to know the IP address provided by your ISP. This page is an easy way to see the IP address provided by your ISP.

If you need to know the IP address of your computer on your home network, click Start > Run type cmd in the Run open box and click OK. When the command prompt window opens, type ipconfig -all to see your computer's IP address on the network, your default gateway (the IP address of your router), and the MAC address of your network card (which comes in handy for MAC address filtering on your router).

in reference to:

"If you want to connect to a PC via Remote Desktop (RDC), you need to know the IP address provided by your ISP. This page is an easy way to see the IP address provided by your ISP. If you need to know the IP address of your computer on your home network, click Start > Run type cmd in the Run open box and click OK. When the command prompt window opens, type ipconfig -all to see your computer's IP address on the network, your default gateway (the IP address of your router), and the MAC address of your network card (which comes in handy for MAC address filtering on your router)."
- What is My IP Address - IP Devil Girl - IP Address Lookup (view on Google Sidewiki)