If you mean Proxy then theres trillions on the internet, just give google a search for "Free Proxy" and you'll get quite the many, but you may have to sort through lists. I like to scan my own...
If you're looking for IP Spoofing Utilities, good luck on finding one that works.
If you're just wanting to surf anonymously check out http://www.anonymizer.com/
I think they have banners though.