Japan Network Information Center

The Japan Network Information Center 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.
JPNIC is a non-profit organization, made up of many members of the Japanese Internet community that have a stake in the internet in Japan. As such, JPNIC provides information, research, and education services to its members, and to the Internet community at large.