| 172.122.0.0/15 | IIJ IPv4 BLOCK ( AS2497 ) | 131K | JP |
| 121.102.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 125.30.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 129.249.0.0/16 | IIJ Customer route | 66K | JP |
| 131.248.0.0/16 | ITOCHU TECHNO-SCIENCE CORPORATION 1-16-7, Komazawa, Setagaya | 66K | JP |
| 132.179.0.0/16 | Toppan Printing Co., Ltd. 11-1,1-Chome Shimura, Itabashi-ku, | 66K | JP |
| 133.110.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 133.111.0.0/16 | Roland Corporation 4-7-19 Takaoka-nishi, Hamamatsu-shi, Sizu | 66K | JP |
| 133.127.0.0/16 | NHK Science and Technical Research Laboratories 1-10-11 Kinu | 66K | JP |
| 133.137.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 133.142.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 133.159.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 133.173.0.0/16 | The Asahi Shimbun Company 5-3-2 Tsukiji Chuo-ku Tokyo 104-11 | 66K | JP |
| 133.215.0.0/16 | YAMAHA-MOTOR YAMAHA MOTOR CO.,LTD. 2500 Sinkai, Iwata-shi, S | 66K | JP |
| 133.218.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 133.221.0.0/16 | IIJ Customer route | 66K | JP |
| 133.236.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 133.245.0.0/16 | Sankyo Co., Ltd. Hiromachi 1-2-58, Shinagawa-ku, Tokyo 140, | 66K | JP |
| 133.254.0.0/16 | Matsu(0x73686974)a Electric Works,Ltd. Kadoma 1048, Kadoma-shi, Osak | 66K | JP |
| 138.107.0.0/16 | Olympus Optical Co., Ltd. 2951 Ishikawa-cho, Hachioji-shi, T | 66K | JP |
| 139.152.0.0/16 | IIJ Customer route | 66K | JP |
| 143.94.0.0/16 | IIJ Customer route | 66K | JP |
| 150.23.0.0/16 | IIJ Customer route | 66K | JP |
| 150.31.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 150.87.0.0/16 | Allied Telesis, K.K. Takanawa Green Bldg., 4-6-6 Higashi-Got | 66K | JP |
| 150.90.0.0/16 | The Gakushuin School Corporation, 5-1 Mejiro 1 Toshima-ku To | 66K | JP |
| 157.67.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 160.13.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 160.17.0.0/16 | Recruit Co., Ltd. | 66K | JP |
| 163.140.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 163.218.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 163.49.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 163.55.0.0/16 | IIJ Customer route | 66K | JP |
| 167.169.0.0/16 | NIPPON TELEVISION NETWORK CORPORATION 14, Niban-Cho, Chiyoda | 66K | JP |
| 202.214.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 202.221.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 202.232.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 202.32.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 203.180.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 210.128.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 210.130.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 210.138.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 210.148.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 210.149.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 219.119.0.0/16 | IIJ IPv4 BLOCK ( AS2497 ) | 66K | JP |
| 101.128.128.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 113.197.128.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 118.151.0.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 124.41.0.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 133.173.0.0/17 | The Asahi Shimbun Company 5-3-2 Tsukiji Chuo-ku Tokyo 104-11 | 33K | JP |
| 133.173.128.0/17 | The Asahi Shimbun Company 5-3-2 Tsukiji Chuo-ku Tokyo 104-11 | 33K | JP |
| 133.194.0.0/17 | IIJ Customer route | 33K | JP |
| 133.238.128.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 143.125.0.0/17 | IIJ Customer route | 33K | JP |
| 219.111.0.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 219.126.128.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 220.100.0.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 58.138.0.0/17 | IIJ IPv4 BLOCK ( AS2497 ) | 33K | JP |
| 118.151.128.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 119.10.192.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 124.147.64.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 124.41.128.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 133.194.128.0/18 | IIJ Customer route | 16K | JP |
| 143.125.128.0/18 | IIJ Customer route | 16K | JP |
| 202.224.128.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 202.238.128.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 202.238.192.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 210.133.192.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 220.100.192.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 220.156.0.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 220.210.128.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 49.239.64.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 58.138.128.0/18 | IIJ IPv4 BLOCK ( AS2497 ) | 16K | JP |
| 133.183.128.0/19 | IIJ Customer route | 8.2K | JP |
| 133.194.192.0/19 | IIJ Customer route | 8.2K | JP |
| 133.238.32.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 202.251.0.0/19 | CTI Engineering Co.Ltd. 9th Chuo Building 4-9-11, Nihonbashi | 8.2K | JP |
| 210.173.0.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 211.14.32.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 216.98.96.0/19 | IIJ America IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 218.228.96.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 218.42.160.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 219.105.0.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 219.121.160.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 220.156.128.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 220.156.64.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 220.156.96.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 220.208.192.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 61.211.96.0/19 | IIJ IPv4 BLOCK ( AS2497 ) | 8.2K | JP |
| 116.118.192.0/20 | IIJ IPv4 BLOCK ( AS2497 ) | 4.1K | JP |
| 133.194.224.0/20 | IIJ Customer route | 4.1K | JP |
| 133.238.16.0/20 | IIJ IPv4 BLOCK ( AS2497 ) | 4.1K | JP |
| 143.125.192.0/20 | IIJ Customer route | 4.1K | JP |
| 202.141.192.0/20 | IIJ IPv4 BLOCK ( AS2497 ) | 4.1K | JP |
| 202.22.208.0/20 | Gunma Cable Media corp | 4.1K | JP |
| 202.245.176.0/20 | NTT Mobile Communications Network Inc. Shin-Nikkou Building | 4.1K | JP |
| 203.139.240.0/20 | IIJ Customer route | 4.1K | JP |
| 206.132.160.0/20 | IIJ America IPv4 BLOCK ( AS2497 ) | 4.1K | JP |
| 210.141.16.0/20 | TOGIS CIDR BLOCK 1 Toho Gas Information System Co., Ltd. 19- | 4.1K | JP |
| 61.122.224.0/20 | IIJ Customer route | 4.1K | JP |
| 121.200.200.0/21 | IIJ IPv4 BLOCK ( AS2497 ) | 2K | JP |
| 121.50.160.0/21 | Gunma Cable Media corp | 2K | JP |
| 133.183.96.0/21 | IIJ Customer route | 2K | JP |
| 133.194.240.0/21 | IIJ Customer route | 2K | JP |
| 133.238.8.0/21 | IIJ IPv4 BLOCK ( AS2497 ) | 2K | JP |
| 157.65.176.0/21 | IIJ IPv4 BLOCK ( AS2497 ) | 2K | JP |
| 157.65.192.0/21 | IIJ IPv4 BLOCK ( AS2497 ) | 2K | JP |
| 157.65.8.0/21 | IIJ IPv4 BLOCK ( AS2497 ) | 2K | JP |
| 192.244.8.0/21 | Showa Medical Science, LTD. 541-2, Turuma, Machidashi, Tokyo | 2K | JP |
| 202.19.224.0/21 | NTT Mobile Communications Network Inc. Shin-Nikkou Building | 2K | JP |
| 133.194.248.0/22 | IIJ Customer route | 1K | JP |
| 143.125.208.0/22 | IIJ Customer route | 1K | JP |
| 182.54.240.0/22 | IIJ Customer route | 1K | JP |
| 202.24.140.0/22 | Kitasato University 1-15-1 Kitasato Sagamihara Kanagawa, 228 | 1K | JP |
| 202.251.200.0/22 | Kitasato University 5-9-1 Minato-ku, Tokyo, JAPAN | 1K | JP |
| 202.253.160.0/22 | NTT Advanced Technology Corporation Crystal Park Bldg. 3F 1- | 1K | JP |
| 203.139.224.0/22 | IIJ Customer route | 1K | JP |
| 203.139.228.0/22 | IIJ Customer route | 1K | JP |
| 203.139.232.0/22 | IIJ Customer route | 1K | JP |
| 203.139.236.0/22 | IIJ Customer route | 1K | JP |
| 103.2.58.0/23 | IIJ IPv4 BLOCK ( AS2497 ) | 512 | JP |
| 133.194.252.0/23 | IIJ Customer route | 512 | JP |
| 192.50.252.0/23 | Fukuoka Broadcasting Corp 1-1-1, Watanabe-Ave, Fukuoka-city | 512 | JP |
| 202.15.44.0/23 | IIJ Customer route | 512 | JP |
| 202.242.16.0/23 | HYOGO PREFECTURAL GOVERNMENT | 512 | JP |
| 202.48.108.0/23 | IIJ IPv4 BLOCK ( AS2497 ) | 512 | JP |
| 103.2.57.0/24 | IIJ IPv4 BLOCK ( AS2497 ) | 256 | JP |
| 103.26.166.0/24 | Dream Information Laboratory Spring-tech Tsukuba building 40 | 256 | JP |
| 103.26.167.0/24 | Dream Information Laboratory Spring-tech Tsukuba building 40 | 256 | JP |
| 103.5.23.0/24 | VIDEX, Inc. X-keiro : route-admin@videx.co.jp | 256 | JP |
| 133.183.106.0/24 | IIJ Customer route | 256 | JP |
| 133.194.254.0/24 | IIJ Customer route | 256 | JP |
| 133.221.3.0/24 | IIJ Customer route | 256 | JP |
| 133.254.130.0/24 | IIJ Customer route | 256 | JP |
| 133.254.131.0/24 | IIJ Customer route | 256 | JP |
| 139.152.11.0/24 | IIJ Customer route | 256 | JP |
| 139.152.13.0/24 | IIJ Customer route | 256 | JP |
| 139.152.14.0/24 | IIJ Customer route | 256 | JP |
| 139.152.15.0/24 | IIJ Customer route | 256 | JP |
| 143.94.217.0/24 | IIJ Customer route | 256 | JP |
| 150.61.5.0/24 | IIJ Customer route | 256 | JP |
| 150.61.54.0/24 | IIJ Customer route | 256 | JP |
| 150.61.55.0/24 | IIJ Customer route | 256 | JP |
| 192.47.161.0/24 | NTT Internet INC., Tokyo, Japan 1-9-6 Edagawa, Koutou-Ku, To | 256 | JP |
| 192.70.131.0/24 | IIJ America IPv4 BLOCK ( AS2497 ) | 256 | JP |
| 202.237.132.0/24 | IIJ Customer route | 256 | JP |
| 202.24.192.0/24 | Nissen Co., Ltd. | 256 | JP |
| 202.24.193.0/24 | Nissen Co., Ltd. | 256 | JP |
| 202.24.194.0/24 | Nissen Co., Ltd. | 256 | JP |
| 202.24.195.0/24 | Nissen Co., Ltd. | 256 | JP |
| 202.24.196.0/24 | IIJ Customer route | 256 | JP |
| 202.244.222.0/24 | PanaHome Corporation 1-4, 1chome, Shinsenrinishimachi, Toyon | 256 | JP |
| 202.250.154.0/24 | NGK INSULATORS,LTD. 2-56 Suda-cho, Mizuho-ku, Nagoya-shi, Ai | 256 | JP |
| 202.250.155.0/24 | NGK INSULATORS,LTD. 2-56 Suda-cho, Mizuho-ku, Nagoya-shi, Ai | 256 | JP |
| 210.233.160.0/24 | KuMaGaYaNet | 256 | JP |
| 210.233.162.0/24 | IIJ Customer route | 256 | JP |
| 210.233.163.0/24 | IIJ Customer route | 256 | JP |
| 210.233.165.0/24 | KuMaGaYaNet | 256 | JP |
| 210.233.166.0/24 | IIJ Customer route | 256 | JP |
| 210.233.167.0/24 | IIJ Customer route | 256 | JP |
| 210.233.168.0/24 | IIJ Customer route | 256 | JP |
| 210.233.169.0/24 | IIJ Customer route | 256 | JP |
| 210.233.170.0/24 | IIJ Customer route | 256 | JP |
| 210.233.171.0/24 | IIJ Customer route | 256 | JP |
| 210.233.173.0/24 | KuMaGaYaNet | 256 | JP |
| 210.233.174.0/24 | IIJ Customer route | 256 | JP |
| 210.233.175.0/24 | IIJ Customer route | 256 | JP |
| 210.233.176.0/24 | IIJ Customer route | 256 | JP |
| 210.233.177.0/24 | IIJ Customer route | 256 | JP |
| 210.233.178.0/24 | IIJ Customer route | 256 | JP |
| 210.233.179.0/24 | IIJ Customer route | 256 | JP |
| 210.233.180.0/24 | IIJ Customer route | 256 | JP |
| 210.233.181.0/24 | IIJ Customer route | 256 | JP |
| 210.233.182.0/24 | IIJ Customer route | 256 | JP |
| 210.233.183.0/24 | IIJ Customer route | 256 | JP |
| 210.233.184.0/24 | IIJ Customer route | 256 | JP |
| 210.233.185.0/24 | IIJ Customer route | 256 | JP |
| 210.233.186.0/24 | IIJ Customer route | 256 | JP |
| 210.233.187.0/24 | IIJ Customer route | 256 | JP |
| 210.233.188.0/24 | IIJ Customer route | 256 | JP |
| 210.233.189.0/24 | IIJ Customer route | 256 | JP |
| 210.233.190.0/24 | IIJ Customer route | 256 | JP |