how can I vist every host by using ipv6 adress

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In my campus using ipv6 adress to surf internet is free of money,but the number of the webs can be visted is limtted.not all hosts can be connected and visted,such as baidu.com,renren.com,qq.com and so on.If I want to vist this hosts I should connect broadband provided by ChinaNet, but it is charged by 0.3yuan per hour. I want to surf internet freely,what shoul i do to vist every web by using ipv6 adress