Remote access to work computer?

[Joey Cupcakes]

Assuming your work's broadband signal is coming from a router, you would need is for your IT dept. to open the right port(s) for whatever software you'd want to use (which could be control software like Timbuktu or VNC, or an ftp or afp networking port) and then forward that port using NAT to your machine's local IP address.

Then the external IP address you're seeing would be what you'd direct your home/remote machine to.