ccTLD: JP (the date of ccTLD delegation: 1986-08-05)

Population (Year)

     126,925,843 (2000)    126,804,433 (2010)    126,475,664 (2011)

Internet Population (Year)

     47,080,000 (2000)    99,143,700 (2010)    101,228,736 (2011)        

Broadband Population (Year)

      34,044,729 (2010)

IP Address Allocation (Year):

       Number of IPv4 addresses: 202,061,568 (2012)

       Number of IPv6/48s : 717,561,944 (2012)


4 Popular Websites[from alexa.com]:

    Yahoo! Japan : yahoo.co.jp

    Google Japan : google.co.jp

    Youtube: youtube.com

    Google: google.com



[Esaki 2008] Hiroshi Esaki, et al.(Editors), Broadband Deployment in Japan, IOS Press, 2008.

[Ishida 1985] H. Ishida, "Current status of N-1 Network with supercomputer access," Proc. PCCS, Seoul, 1985, pp.571-578.

[Ishida 1991] Haruhisa Ishida, Konpyuta nettowaku (Computer Network), Iwanami Shoten, Japan, 1991.[in Japanese]

[Ishida 1992] Haruhisa Ishida, “Academic internetworking in Japan,” Proc. 1992 INET, Kobe, 1992.

[Konishi 2001] Kazunori Konishi, Introduction to the Internet,” in THE INTERNET (Iwanami Lecture series), Yuji Oie, Shigeki Goto, Shojiro Nishio, Hideo Miyahara, and Jun Murai, Eds, Iwanami ShotenJapan, Mar. 2001.[in Japanese]

[Murai 1985] Jun Murai and Tohru Asami, "A network for research and development communities in Japan - JUNET," Proc. Pacific Computer Communication Symposium, Seoul, 1985.

[Murai 1987] J. Murai and A. Kato, "Researches in network development of JUNET," Proc. ACM SIGCOMM'87 WorkshopStowe, Aug. 1987, pp.68-77.

[Murai 1989] J. Murai, A Kato, H. Kusumoto, S. Yamaguchi, and T. Sato, "Construction of the Widely Integrated Distributed Environment," Proc. IEEE TENCON'89, Bombaym Nov. 1989, pp.413-416.

[Murakami 1992] K. Murakami & T. Sugawara, "ISDN Internet for FIPTH: Fast IP to the Home," Proc. 1992 INET, Kobe, 1992.

[Oie 2001] Yuji Oie, Shigeki Goto, Shojiro Nishio, Hideo Miyahara, and Jun Murai, The Internet (Iwanami Lecture series), Iwanami Shoten, Japan, Mar. 2001.

[WIDE 1999] WIDE, "History of WIDE Project for 10 years," Internet Magazine, Jan. 1999. [English, Japanese] http://hiroshi1.hongo.wide.ad.jp/hiroshi/wide-wp/10th-Anniv/history/index_e.htm

[WIDE 2009] WIDE Project, How the Internet was created in Japan?, Impress R&D, Japan, 2009. [in Japanese]

[Yamaguchi 1990] S. Yamaguchi, K. Okayama & H. Miyahara, "Design and implementation of an authentication system in WIDE internet environment," Proc. IEEE TENCON'90, Hong Kong, Sept. 1990, pp.653-657.

Additional Bibliography of Japan (by Jun Murai)


[under construction]

Updated: 2012.8.19 Contact Sec  at InternetHistory.Asia  for further information.