You can use the DynDNS updater to get your IP. On my Vista machine it stores the IP it updates in the C ProgramData\DynDNS\Updater\ directory in a file named config.dyndns. The 15th line has the ...
Every device on the internet is identified by an IP address, which your Internet Service Provider (ISP) assigns to your home network. This is essentially your "address" online, and ISPs assign these ...