See also: Top Level Domain, Internet Assigned Numbers Authority

CIMM DEFINITION: An organization that coordinates the Domain Name System (DNS) of the internet, Internet Protocol (IP) addresses, space allocation, protocol identifier assignment, generic (gTLD) and country code (ccTLD) top-level domain name system management and root server system management function. Once performed under U.S. Government contract by the Internet Assigned Numbers Authority (IANA), ICANN now performs the IANA function. (Source: ICANN.org)