He handed over administration of , the organization that allocates IP addresses , approves new topleve domains , and acts as a registrar for certain important things . ICANN would have very little to do with the ability to censor content in any form on the Internet , other than in particularly technicallyridiculous proposals see RFC 3675 , . sex Considered Dangerous . If someone wanted to censor the Internet for users in their country , they ' d have some sort of blacklist of IP addresses , pass a law requiring ISPs to blackhole traffic to that list , and set up an agency to add and remove entries from that list of addresses . A number of countries have done exactly this , without controlling ICANN . <| sep |> Microsoft released the first set a few days ago , promising the rest sometime 1125