Internet Assigned Numbers Authority (IANA) is the main authority for international IP address allocation, Domain Name assignment as well as protocol number allocation. This entity is controlled by ICANN. You can find a wealth of information on their practices and assignments on their site. You can also read up on their procedures and even report abuses to them. All documents or information on this site is available freely to the public. You can even view public comments on their procedures and practices as well. All information are archived - Read more