.jp is the Internet country code top-level domain (ccTLD) for Japan. It is administered by the Japan Registry Services.
.JP domain extension ranks #32 among all domain extensions, and #19 among all country-code extensions (ccTLDs). Currently, there are 1.2 Million registered .jp domain names. JPRS is the registry of .jp extension.
The oldest (still exists) .jp domain name is daito.ac.jp, and it was registered on 15 February 1993.
The most popular .jp domain name is yahoo.co.jp. Its worldwide rank is 31.