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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]
The original list of IPv4 address blocks was published in September 1981. [3] In previous versions of the document, [19] [20] network numbers were 8-bit numbers rather than the 32-bit numbers used in IPv4. At that time, three networks were added that were not listed earlier: 42.rrr.rrr.rrr, 43.rrr.rrr.rrr, and 44.rrr.rrr.rrr.
List of countries by IPv4 address allocation; E. IPv4 address exhaustion; H. Internet checksum; L. List of assigned /8 IPv4 address blocks This page was last edited ...
There are two primary types of IP addresses in use today: IP version 4 (IPv4) and IP version 6 (IPv6). The former has been around since January 1983, and is still the most common. These are 32-bit ...
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. The European Union host is mostly composed of French, Polish and German hosts.
For many years, the RIPE NCC has followed strict guidelines on how to assign IPv4 addresses according to policy developed by the RIPE Community, as outlined in the RIPE Document ripe-498. [10] As the last /8 block has been assigned from IANA to all the RIRs, the RIPE NCC will only have new IPv4 addresses available for allocation for a certain ...
The following is a list providing an overview of sovereign states around the world with information on their status and recognition of their sovereignty. The 205 listed states can be divided into three categories based on membership within the United Nations System : 193 UN member states , [ 1 ] two UN General Assembly non-member observer ...
List of countries by IPv4 address allocation; List of countries by mobile banking usage; List of countries by number of Internet users; List of countries by number of mobile phones in use; List of countries by number of scientific and technical journal articles; List of countries by number of telephone lines in use