Don't waste more time, use this promo to get thousand of different IP addresses from US, UK and more for $6.55 per month! Or read a little more about proxy tools and VPNs before buy proxies.
Online Proxy Checker - IP Checker - Check ProxyOnline tool to unlimited check proxy servers (IP:port) list to know if they are fresh-open-alive. The fastest and free online proxy checker available on the web.
Here is an example of a quality HTTP proxy list, when you don't find working HTTP proxies anywhere that site usually have a few open and quite fast.