Where i can find the list contains IP of all EU realms?
For connection testing purposes, you can find a list of IP’s you can test to at this article.
Those are the only publicly facing IP’s we have listed on our website and should be all you need in order to test a connection issue. If you do have a connection problem and need help with it though, be sure to let us know 
Sounds like you are encountering IP filter issues, too.