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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 Japan Network Information Center (JPNIC) is the National Internet Registry in Japan that manages several aspects of Internet operations, including the allocation of IP addresses and AS numbers. Historically, JPNIC managed the .jp top-level domain; on 2003-06-30 the management of the .jp domain was transferred to the Japan Registry Service.
Starting 1991-06-01, was used to map Public Data Network addresses to IP addresses. Returned to IANA 2008-01-22. This network was reclaimed by IANA in 2007 and was subsequently re-allocated in 2010. See RFC 877 and RFC 1356 for historical information. [10] 15.0.0.0/8 ARIN: 1991-09
A local Internet registry (LIR) is an organization that has been allocated a block of IP addresses by a RIR, and that assigns most parts of this block to its own customers. [11] Most LIRs are Internet service providers, enterprises, or academic institutions. Membership in a regional Internet registry is required to become a LIR.
APNIC provides an alternative to the whois called the Registration Data Access protocol (RDAP), which was designed to address issues in the whois service, the most important of which are: standardization of queries and responses; internalization considerations to cater for languages other than English in data objects; and redirection ...
An Internet Protocol address (IP address) is a numerical label such as 192.0.2.1 that is assigned to a device connected to a computer network that uses the Internet Protocol for communication. [1] [2] IP addresses serve two main functions: network interface identification, and location addressing.
The Internet Assigned Numbers Authority (IANA) is a standards organization that oversees global IP address allocation, autonomous system number allocation, root zone management in the Domain Name System (DNS), media types, and other Internet Protocol–related symbols and Internet numbers.
While any party with a Japanese mailing address can get a second-level domain (example.jp) there are several restricted-use second-level domains, listed below. [4] ac.jp: higher level academic institutions, such as universities; ad.jp: JPNIC members; co.jp: most forms of incorporated companies, including foreign companies registered in Japan