The most reliable way to hide your IP from casinos is using a VPN. VPN or virtual private network hide your IP address and makes you completely safe and anonymous on-line.
sorry corrected links https://aeroshield.org
http://sahrzad.net
Also it is better to test vpn before ordering. As I know some vpn services provide 3 days free trial, such as https://aeroshield.org or http://sahrzad.net
