42 US 100 101. G and S: Providing an on-line computerized databases in the field of computer network address management services that enables persons to reserve and use computer network addresses and to search, access, add, modify or delete information relating to computer network addresses; computer services, namely, providing search engines for obtaining data on the Internet; providing temporary use of on-line non-downloadable software for registering and tracking addresses on the Internet; computer services in the field of domain name reservation, registration, maintenance and management services, namely hosting on-line interactive web facilities for others for administering a top-level domain name whereby domain name registrars may register domain names, reserve blocks of domain names for future registration, maintain registered domain names and allow for renewal of registered domain names, manage domain names by facilitating the transfer and renewal of domain names; computer services, namely, providing customized searching service whereby information regarding the availability of desired domain names can be determined at the specific request of end-users by means of global computer networks; computer software development for third parties in relation to electronic mail, domain name reservation, registration, maintenance and management applications