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IP ranges of Japan

Japan

The IPv4 space of Japan totals 204,520,138 addresses: 13,877 blocks held by 853 autonomous systems.

By IPv4 volume the country ranks #3 worldwide, 5.5% of all allocated addresses.

The largest network, AS17676 SoftBank Corp., holds 18% of the country’s addresses; the top three together hold 41%.

Most addresses are geolocated to Chiyoda City, Minato, Osaka.

IPv4 addresses
204,520,138
Address blocks
13,877
Networks
853
World rank
#3
World share
5.5%

Largest networks

  • AS17676 SoftBank Corp.37,527,552
  • AS4713 NTT Communications Corporation28,623,872
  • AS2516 KDDI CORPORATION18,071,808
  • AS2907 Research Organization of Information and Systems, National Institute of Informa8,769,536
  • AS17506 ARTERIA Networks Corporation5,382,144
  • AS9824 JCOM Co., Ltd.4,728,576
  • AS2497 Internet Initiative Japan Inc.4,081,408
  • AS2527 Sony Network Communications Inc.3,867,648
  • AS2518 BIGLOBE Inc.3,670,016
  • AS17511 OPTAGE Inc.2,994,432
  • AS9605 NTT DOCOMO, INC.2,536,192
  • AS2514 NTT PC Communications, Inc.2,078,720
  • AS10013 FreeBit Co.,Ltd.1,944,064
  • AS4725 SoftBank Corp.1,919,744
  • AS9595 NTT-ME Corporation1,513,472

Cities by addresses

  • Chiyoda City81,319,446
  • Minato35,987,314
  • Osaka18,133,612
  • Chiyoda13,557,109
  • Shibuya City10,198,287
  • Minato-ku8,329,795
  • Shinjuku2,977,744
  • Shinagawa2,591,580
  • Suginami City1,983,176
  • Nagoya1,958,996
  • Suginami-ku1,608,176
  • Suginami-ku (Kamiogi)1,031,424

More large networks

Websites hosted here

Countries of similar size

IPv4 ranges

Questions and answers

How many IP addresses does Japan have?

204,520,138 IPv4 addresses in 13,877 blocks.

What is the largest provider in Japan?

SoftBank Corp. (AS17676) with 37,527,552 addresses.

How does Japan rank by IP addresses?

#3 worldwide, 5.5% of all IPv4 addresses.

How can I tell if an IP is from Japan?

Enter the address in the search on this site; the IP page shows the country, city and network.