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This is a list of countries by IPv4 address allocation. The Internet Assigned Numbers Authority (IANA) distributes large blocks of addresses to regional Internet registries (RIRs), which then assign them to national Internet registries and local Internet registries within their respective service regions. [ 1 ]
Some address space previously reserved by IANA has been added to the available pool. There have been proposals to use the class E network range of IPv4 addresses [76] [77] (which would add 268.4 million IP addresses to the available pool) but many computer and router operating systems and firmware do not allow the use of these addresses.
Mobile IP (or MIP) is an Internet Engineering Task Force (IETF) standard communications protocol that is designed to allow mobile device users to move from one network to another while maintaining a permanent IP address. Mobile IP for IPv4 is described in RFC 5944, and extensions are defined in RFC 4721. Mobile IPv6, the IP mobility ...
IANA delegates allocations of IP address blocks to regional Internet registries (RIRs). Each RIR allocates addresses for a different area of the world. [7] Collectively the RIRs have created the Number Resource Organization formed as a body to represent their collective interests and ensure that policy statements are coordinated globally. [8]
This is the list of countries by number of Internet hosts, based on 2012 figures from the CIA World Factbook. [2] Several dependent territories, not fully recognized states, and non-state territories are also listed.
In 2015, the International Telecommunication Union estimated about 3.2 billion people, or almost half of the world's population, would be online by the end of the year. Of them, about 2 billion would be from developing countries, including 89 million from least developed countries .
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Globe Telecom has already set in motion the transition of its core IP network to IPv6, noting that it is now fully prepared even as the Internet runs out of IPv4 addresses. Globe claims it is the first local telecommunication company to test IPv6 with Department of Science and Technology (Philippines) .