I was just wondering; is it possible to track the history of my external ip address? Could I actually find everywhere my IP has been? Just out of curiosity. Thanks.
A free, simple firewall program will keep a log of places that your IP goes. Not only will it track outgoing traffic, it will track incoming. People partially misconstrue the purpose of a firewall. Not only does it stop unsolicited incoming traffic, but also outgoing to help prevent malware from accessing external servers to unleash the payload.
What exactly do you mean by the "net travels"? Find out who else has had your external IP address? Find out where you (or someone else) has connected to using this IP address? Record all the public IP addresses you have ever had?