There are two addresses in a proxy setup. The gateway is the host you connect to. The exit is the address at the far end, where your request leaves for the website. With a rotating proxy the gateway stays the same and the exit changes.
To see your exit address, fetch a page that prints the visitor's IP through the proxy. Every PiratProxies plan page has a test button that does this from our side and shows the address and its country.
Read next: How to test a proxy