You can access cPanel using the following url:
www.yourdomain.com/cpanel
Note: www.yourdomain.com is the name of the domain you have with us (the url of your website).

You will find the access data in our activation email, that is sent to your email address right after your account has been activated from our system.
If you lost your password you can check the tutorial edit cPanel password.
Your Ip might be blocked if you try to access to many times with wrong credentials (more than 5 attempts in a 5 minute span).