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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 ...
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.
This is a list of Internet exchange points . There are several sources for IXP locations, including Packet Clearing House , who have maintained the earliest list of IXPs, with global coverage since 1994.
The American Registry for Internet Numbers (ARIN) is the regional Internet registry for the United States, Canada, and many Caribbean and North Atlantic islands. ARIN manages the distribution of Internet number resources, including IPv4 and IPv6 address space and AS numbers.
Loopback address—a virtual interface that loops all traffic back to itself, the local host::ffff:0:0/96 ... IPv4-translated addresses 64:ff9b::/96
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