Additional
Information: The IPv4 and IPv6 address space is controlled by ICANN and is divided into four regional internet registries (RIR). Those Registries have different processes and steps for the users in the appropriate regions.
Assignment Sites:
American Registry for Internet Numbers American Registry for Internet Numbers: ARIN is the regional registry of IP and ASN numbers for North America, South America, the Caribbean, and sub-Saharan Africa. (Assignment) http://www.arin.net/
RIPE Network Coordination Centre RIPE Network Coordination Centre: Responsible registry for europe, north africa and russian area. (Assignment) http://www.ripe.net/
Internet Assigned Numbers Authority Internet Assigned Numbers Authority: IANA controls numbers for protocols, the Country Code Top Level Domains and maintains the IP Address allotments. (Assignment) http://www.iana.org/
Asian Pacific Network Information Center Asian Pacific Network Information Center: Processes applications for IP address space within the Asia Pacific region. Has search engine for "whois" to see if domain name is already in use. Maintains mailing lists for the region. (Assignment) http://www.apnic.net/