21.1 Network Number and Domain Name Policy: If Customer acquires Service that utilizes Network Numbers or Domain Names, Customer will comply with Network Number and Domain Name policies established by the Company.</p> <p>21.2 Use of Domain Names: Upon termination of Service, use by Customer of all Company Domain Names and TCP/IP Addresses belonging to Company will end. IP assignments are not guaranteed and may be modified by Company or the American Registry for Internet Numbers (ARIN).