Internet Service Providers in Japan

Top 20 organizations with the largest IP allocations in Japan

Japan

Top 20 organizations with the largest IP allocations


Rank Name IPv4 addresses IPv6 /64 networks AS numbers Prefixes
Softbank BB Corp. 69,394,944 1.06 x 244 1 774
NTT Communications Corporation 29,139,200 242 9 322
KDDI CORPORATION 18,505,280 1.25 x 241 1 569
4 Jupiter Telecommunication Co. Ltd 10,250,240 233 1 255
5 Research Organization of Information and Systems, National Institute of Informa 9,054,437 233 1 626
6 ARTERIA Networks Corporation 7,242,240 1.56 x 236 4 252
7 Jupiter Telecommunications Co., Ltd. 4,073,472 234 9 410
8 Internet Initiative Japan Inc. 3,868,160 1.03 x 234 1 198
9 So-net Entertainment Corporation 3,681,280 1.22 x 237 1 105
10 BIGLOBE Inc. 3,674,624 1.13 x 235 1 37
11 OPTAGE Inc. 3,144,448 233 2 86
12 FUJITSU LIMITED 3,007,232 232 1 50
13 NTT DOCOMO, INC. 2,765,568 233 1 1,059
14 Ymobile Corporation 2,746,368 0 1 70
15 NTT PC Communications, Inc. 2,082,816 1.56 x 233 1 163
16 SoftBank Mobile Corp. 2,062,336 232 2 199
17 FreeBit Co.,Ltd. 1,866,240 233 1 304
18 NTT-ME Corporation 1,759,488 242 1 52
19 Amazon.com, Inc. 1,659,648 1.13 x 232 1 264
20 TOKAI Communications Corporation 1,566,976 1.31 x 235 1 170