As it seems that many of those that hide their IP addresses use web proxies, I gathered several propular proxies including proxies from US, India and Germany. Enjoy!

1. Anonymous.org (IP: Unknown, Location: Unknown)
   This service allows you to surf the web without revealing any personal information.
   It is fast, it is easy, and it is free!
   
2. myUSproxy.info (IP: 66.197.149.15, Location: Scranton, PA United States)
   Browse the internet securely using myUSproxy. You can unblock popular sites such
   as Orkut, Gmail, Yahoo, MySpace, Bebo, Facebook, YouTube, Friendster and many
   other sites.
   
3. Bypassway.net (IP: 66.197.167.120, Location: New Delhi, India)
   Bypassway is your 100% free online proxy service. Bypassway provides anonyomous Web surfing through an intermediary to prevent unauthorized parties from gathering your personal information.
   
4. MisterIP.net (IP: 67.212.184.146, Location: Marina Del Rey, CA United States)
   Welcome to Mister IP – The strongest proxy online! Our site has been specially built for all those who are afraid of being followed or bit paranoid about people checking them and their computers history for trail.
   
5. MySpace-Unblocker.org (IP: 208.43.68.148, Location: Dallas, TX United States)
   This site provides a free anonymous surfing service that allows users from Australia (and the rest of the world) to browse the web without leaving a trace behind.
   
6. Proxy-Service.de (IP: 91.194.84.61, Location: Bocholt, Germany)
7. Proxy420.com (IP: 69.10.44.75, Location: Secaucus, NJ United States)
   You can unblock popular social networking sites such as MySpace, Bebo, Facebook, YouTube, Friendster and many other sites.
8. ProxyTor.net (IP: 89.149.244.184, Location: Frankfurt Am Main, Germany)
   ProxyTor allows you to surf anonymously, mask your IP address and access blocked websites.
   
9. SilverSurf.info (IP: 208.43.68.148, Location: Dallas, TX United States)
   Free web-based proxy sites let you to bypass work and school security by fetching the website’s data themselves, and then sending it to you through the proxy site.

Safe Surfing!