of IP addresses.

Originally, the IETF intended that new infrastructure databases would be created in the top-level domain ''int''. In May 2000, this policy was reversed and it was decided that the top-level domain int should be restricted to use by international organizations. Arpa was retained for its long-standing purpose, but its full name was changed to the Address and Routing Parameter Area, making the zone name a backronym. Registrations of internet infrastructure