IPv4 prefix

202.240.0.0/12

IP Prefix (CIDR)
202.240.0.0/12
Subnet Mask
255.240.0.0
Address Count
1,048,576
Registration 1 of 2
Handle
IRT-JPNIC-JP
Country
Japan (JP)
Address
Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, japan
Registry
APNIC
Registered Prefix
202.240.0.0/12 (202.240.0.0 - 202.255.255.255)
Registration 2 of 2
Owner
Japan Network Information Center
Handle
JNIC1-AP
Country
Japan (JP)
Address
Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, Japan
Registry
JPNIC
Registered Prefixes
202.240.8.0/21 (202.240.8.0 - 202.240.15.255)
202.240.52.0/22 (202.240.52.0 - 202.240.55.255)

202.240.66.0/23 (202.240.66.0 - 202.240.67.255)

202.240.72.0/21 (202.240.72.0 - 202.240.79.255)

202.240.84.0/23 (202.240.84.0 - 202.240.85.255)

202.240.96.0/22 (202.240.96.0 - 202.240.99.255)

202.240.108.0/23 (202.240.108.0 - 202.240.109.255)

202.240.112.0/22 (202.240.112.0 - 202.240.115.255)

202.240.117.0/24 (202.240.117.0 - 202.240.117.255)

202.240.128.0/22 (202.240.128.0 - 202.240.131.255)

202.240.137.0/24 (202.240.137.0 - 202.240.137.255)

202.240.141.0/24 (202.240.141.0 - 202.240.141.255)

202.240.176.0/23 (202.240.176.0 - 202.240.177.255)

202.240.180.0/22 (202.240.180.0 - 202.240.183.255)

202.240.192.0/24 (202.240.192.0 - 202.240.192.255)

202.240.224.0/24 (202.240.224.0 - 202.240.224.255)

202.240.232.0/24 (202.240.232.0 - 202.240.232.255)

202.240.244.0/22 (202.240.244.0 - 202.240.247.255)

202.241.0.0/17 (202.241.0.0 - 202.241.127.255)

202.241.128.0/22 (202.241.128.0 - 202.241.131.255)

202.241.132.0/24 (202.241.132.0 - 202.241.132.255)

202.241.136.0/22 (202.241.136.0 - 202.241.139.255)

202.241.140.0/24 (202.241.140.0 - 202.241.140.255)

202.241.142.0/24 (202.241.142.0 - 202.241.142.255)

202.241.143.0/24 (202.241.143.0 - 202.241.143.255)

202.241.144.0/21 (202.241.144.0 - 202.241.151.255)

202.241.152.0/22 (202.241.152.0 - 202.241.155.255)

202.241.156.0/24 (202.241.156.0 - 202.241.156.255)

202.241.157.0/24 (202.241.157.0 - 202.241.157.255)

202.241.158.0/24 (202.241.158.0 - 202.241.158.255)

202.241.160.0/24 (202.241.160.0 - 202.241.160.255)

202.241.176.0/24 (202.241.176.0 - 202.241.176.255)

202.241.177.0/24 (202.241.177.0 - 202.241.177.255)

202.241.178.0/24 (202.241.178.0 - 202.241.178.255)

202.241.180.0/22 (202.241.180.0 - 202.241.183.255)

202.241.184.0/24 (202.241.184.0 - 202.241.184.255)

202.241.192.0/20 (202.241.192.0 - 202.241.207.255)

202.241.208.0/23 (202.241.208.0 - 202.241.209.255)

202.241.210.0/24 (202.241.210.0 - 202.241.210.255)

202.242.0.0/22 (202.242.0.0 - 202.242.3.255)

202.242.5.0/24 (202.242.5.0 - 202.242.5.255)

202.242.7.0/24 (202.242.7.0 - 202.242.7.255)

202.242.8.0/21 (202.242.8.0 - 202.242.15.255)

202.242.16.0/24 (202.242.16.0 - 202.242.16.255)

202.242.21.0/24 (202.242.21.0 - 202.242.21.255)

202.242.34.0/24 (202.242.34.0 - 202.242.34.255)

202.242.38.0/23 (202.242.38.0 - 202.242.39.255)

202.242.55.0/24 (202.242.55.0 - 202.242.55.255)

202.242.64.0/21 (202.242.64.0 - 202.242.71.255)

202.242.101.0/24 (202.242.101.0 - 202.242.101.255)

202.242.120.0/23 (202.242.120.0 - 202.242.121.255)

202.242.127.0/24 (202.242.127.0 - 202.242.127.255)

202.242.131.0/24 (202.242.131.0 - 202.242.131.255)

202.242.160.0/19 (202.242.160.0 - 202.242.191.255)

202.242.192.0/23 (202.242.192.0 - 202.242.193.255)

202.242.231.0/24 (202.242.231.0 - 202.242.231.255)

202.242.240.0/23 (202.242.240.0 - 202.242.241.255)

202.242.245.0/24 (202.242.245.0 - 202.242.245.255)

202.243.16.0/20 (202.243.16.0 - 202.243.31.255)

202.243.64.0/19 (202.243.64.0 - 202.243.95.255)

202.243.104.0/23 (202.243.104.0 - 202.243.105.255)

202.243.120.0/21 (202.243.120.0 - 202.243.127.255)

202.243.128.0/20 (202.243.128.0 - 202.243.143.255)

202.243.144.0/21 (202.243.144.0 - 202.243.151.255)

202.243.152.0/22 (202.243.152.0 - 202.243.155.255)

202.243.162.0/24 (202.243.162.0 - 202.243.162.255)

202.243.185.0/24 (202.243.185.0 - 202.243.185.255)

202.243.187.0/24 (202.243.187.0 - 202.243.187.255)

202.243.196.0/22 (202.243.196.0 - 202.243.199.255)

202.243.220.0/24 (202.243.220.0 - 202.243.220.255)

202.243.222.0/24 (202.243.222.0 - 202.243.222.255)

202.243.223.0/24 (202.243.223.0 - 202.243.223.255)

202.243.234.0/23 (202.243.234.0 - 202.243.235.255)

202.244.2.0/23 (202.244.2.0 - 202.244.3.255)

202.244.32.0/21 (202.244.32.0 - 202.244.39.255)

202.244.52.0/22 (202.244.52.0 - 202.244.55.255)

202.244.62.0/24 (202.244.62.0 - 202.244.62.255)

202.244.76.0/22 (202.244.76.0 - 202.244.79.255)

202.244.84.0/24 (202.244.84.0 - 202.244.84.255)

202.244.90.0/23 (202.244.90.0 - 202.244.91.255)

202.244.104.0/23 (202.244.104.0 - 202.244.105.255)

202.244.112.0/20 (202.244.112.0 - 202.244.127.255)

202.244.138.0/23 (202.244.138.0 - 202.244.139.255)

202.244.160.0/19 (202.244.160.0 - 202.244.191.255)

202.244.192.0/21 (202.244.192.0 - 202.244.199.255)

202.244.202.0/23 (202.244.202.0 - 202.244.203.255)

202.244.205.0/24 (202.244.205.0 - 202.244.205.255)

202.244.210.0/24 (202.244.210.0 - 202.244.210.255)

202.244.222.0/24 (202.244.222.0 - 202.244.222.255)

202.244.224.0/21 (202.244.224.0 - 202.244.231.255)

202.244.236.0/22 (202.244.236.0 - 202.244.239.255)

202.244.240.0/20 (202.244.240.0 - 202.244.255.255)

202.245.2.0/23 (202.245.2.0 - 202.245.3.255)

202.245.11.0/24 (202.245.11.0 - 202.245.11.255)

202.245.13.0/24 (202.245.13.0 - 202.245.13.255)

202.245.24.0/23 (202.245.24.0 - 202.245.25.255)

202.245.31.0/24 (202.245.31.0 - 202.245.31.255)

202.245.32.0/19 (202.245.32.0 - 202.245.63.255)

202.245.64.0/19 (202.245.64.0 - 202.245.95.255)
Delegated Prefix
202.240.0.0/12 (202.240.0.0 - 202.255.255.255)

These results are partial. Additional registration records were omitted.

Announced Prefix Relationship Origin ASN Description Country First Address Last Address
202.240.8.0/21 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.8.0 202.240.15.255
202.240.52.0/22 More specific AS17676 SoftBank Corp. Japan (JP) 202.240.52.0 202.240.55.255
202.240.66.0/23 More specific AS23783 Cable Networks Akita Co. ltd. Japan (JP) 202.240.66.0 202.240.67.255
202.240.72.0/21 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.72.0 202.240.79.255
202.240.84.0/23 More specific AS7690 Mirai Communication Network Inc. Japan (JP) 202.240.84.0 202.240.85.255
202.240.96.0/22 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.96.0 202.240.99.255
202.240.108.0/23 More specific AS131946 MUSASHINO UNIVERSITY E.F. Japan (JP) 202.240.108.0 202.240.109.255
202.240.112.0/22 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.112.0 202.240.115.255
202.240.117.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.117.0 202.240.117.255
202.240.128.0/22 More specific AS59109 Hitachi Ltd. Managed & Platform Services Business Division Japan (JP) 202.240.128.0 202.240.131.255
202.240.137.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.137.0 202.240.137.255
202.240.141.0/24 More specific AS131965 XServer Cloud Inc. Japan (JP) 202.240.141.0 202.240.141.255
202.240.176.0/23 More specific AS7522 STNet Incorporated Japan (JP) 202.240.176.0 202.240.177.255
202.240.180.0/22 More specific AS2516 KDDI CORPORATION Japan (JP) 202.240.180.0 202.240.183.255
202.240.192.0/19 More specific AS4725 SoftBank Corp. Japan (JP) 202.240.192.0 202.240.223.255
202.240.224.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.224.0 202.240.224.255
202.240.232.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.240.232.0 202.240.232.255
202.240.244.0/22 More specific AS23781 Toyama University Japan (JP) 202.240.244.0 202.240.247.255
202.241.0.0/17 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.241.0.0 202.241.127.255
202.241.128.0/22 More specific AS2514 NTT PC Communications Inc. Japan (JP) 202.241.128.0 202.241.131.255
202.241.132.0/22 More specific AS7676 TAM Co. Ltd. Japan (JP) 202.241.132.0 202.241.135.255
202.241.136.0/22 More specific AS2514 NTT PC Communications Inc. Japan (JP) 202.241.136.0 202.241.139.255
202.241.140.0/23 More specific AS7676 TAM Co. Ltd. Japan (JP) 202.241.140.0 202.241.141.255
202.241.142.0/24 More specific AS7676 TAM Co. Ltd. Japan (JP) 202.241.142.0 202.241.142.255
202.241.143.0/24 More specific AS2512 TCP Inc. Japan (JP) 202.241.143.0 202.241.143.255
202.241.144.0/21 More specific AS2514 NTT PC Communications Inc. Japan (JP) 202.241.144.0 202.241.151.255
202.241.152.0/22 More specific AS2514 NTT PC Communications Inc. Japan (JP) 202.241.152.0 202.241.155.255
202.241.156.0/24 More specific AS7676 TAM Co. Ltd. Japan (JP) 202.241.156.0 202.241.156.255
202.241.157.0/24 More specific AS2512 TCP Inc. Japan (JP) 202.241.157.0 202.241.157.255
202.241.158.0/23 More specific AS7676 TAM Co. Ltd. Japan (JP) 202.241.158.0 202.241.159.255
202.241.160.0/20 More specific AS2519 ARTERIA Networks Corporation Japan (JP) 202.241.160.0 202.241.175.255
202.241.176.0/24 More specific AS7676 TAM Co. Ltd. Japan (JP) 202.241.176.0 202.241.176.255
202.241.177.0/24 More specific AS2512 TCP Inc. Japan (JP) 202.241.177.0 202.241.177.255
202.241.178.0/23 More specific AS7676 TAM Co. Ltd. Japan (JP) 202.241.178.0 202.241.179.255
202.241.180.0/22 More specific AS2514 NTT PC Communications Inc. Japan (JP) 202.241.180.0 202.241.183.255
202.241.184.0/21 More specific AS2519 ARTERIA Networks Corporation Japan (JP) 202.241.184.0 202.241.191.255
202.241.192.0/18 More specific AS4694 IDC Frontier Inc. Japan (JP) 202.241.192.0 202.241.255.255
202.242.1.0/24 More specific AS14114 SAP America Inc. United States of America (US) 202.242.1.0 202.242.1.255
202.242.2.0/24 More specific AS14114 SAP America Inc. United States of America (US) 202.242.2.0 202.242.2.255
202.242.5.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.5.0 202.242.5.255
202.242.7.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.7.0 202.242.7.255
202.242.8.0/21 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.8.0 202.242.15.255
202.242.16.0/23 More specific AS2497 Internet Initiative Japan Inc. Japan (JP) 202.242.16.0 202.242.17.255
202.242.21.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.21.0 202.242.21.255
202.242.34.0/24 More specific AS7668 Hokuriku Telecommunication Network Co. Japan (JP) 202.242.34.0 202.242.34.255
202.242.38.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.38.0 202.242.39.255
202.242.55.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.55.0 202.242.55.255
202.242.64.0/21 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.64.0 202.242.71.255
202.242.101.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.101.0 202.242.101.255
202.242.120.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.120.0 202.242.121.255
202.242.127.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.127.0 202.242.127.255
202.242.131.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.131.0 202.242.131.255
202.242.160.0/19 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.160.0 202.242.191.255
202.242.192.0/22 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.192.0 202.242.195.255
202.242.231.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.242.231.0 202.242.231.255
202.242.240.0/23 More specific AS4725 SoftBank Corp. Japan (JP) 202.242.240.0 202.242.241.255
202.242.245.0/24 More specific AS7671 NTT SmartConnect Corporation Japan (JP) 202.242.245.0 202.242.245.255
202.243.16.0/20 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.243.16.0 202.243.31.255
202.243.64.0/19 More specific AS59108 KATCH NETWORK INC. Japan (JP) 202.243.64.0 202.243.95.255
202.243.104.0/23 More specific AS17676 SoftBank Corp. Japan (JP) 202.243.104.0 202.243.105.255
202.243.120.0/21 More specific AS23631 Sofu System Inc Japan (JP) 202.243.120.0 202.243.127.255
202.243.128.0/20 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.243.128.0 202.243.143.255
202.243.144.0/20 More specific AS7687 TOYOTA SYSTEMS CORPORATION Japan (JP) 202.243.144.0 202.243.159.255
202.243.162.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.243.162.0 202.243.163.255
202.243.185.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.243.185.0 202.243.185.255
202.243.187.0/24 More specific AS7522 STNet Incorporated Japan (JP) 202.243.187.0 202.243.187.255
202.243.196.0/22 More specific AS59109 Hitachi Ltd. Managed & Platform Services Business Division Japan (JP) 202.243.196.0 202.243.199.255
202.243.220.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.243.220.0 202.243.221.255
202.243.222.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.243.222.0 202.243.222.255
202.243.223.0/24 More specific AS9999 AT TOKYO Corporation Japan (JP) 202.243.223.0 202.243.223.255
202.243.234.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.243.234.0 202.243.235.255
202.244.3.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.3.0 202.244.3.255
202.244.32.0/21 More specific AS63783 Chiba University of Commerce Japan (JP) 202.244.32.0 202.244.39.255
202.244.52.0/22 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.52.0 202.244.55.255
202.244.62.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.62.0 202.244.62.255
202.244.76.0/22 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.76.0 202.244.79.255
202.244.84.0/23 More specific AS18123 INAOKI EDUCATIONAL INSTITUTION Japan (JP) 202.244.84.0 202.244.85.255
202.244.90.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.90.0 202.244.91.255
202.244.104.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.104.0 202.244.105.255
202.244.112.0/20 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.112.0 202.244.127.255
202.244.138.0/23 More specific AS17511 OPTAGE Inc. Japan (JP) 202.244.138.0 202.244.139.255
202.244.160.0/19 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.160.0 202.244.191.255
202.244.192.0/21 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.192.0 202.244.199.255
202.244.202.0/23 More specific AS18071 Panasonic Information Systems Co. Ltd Japan (JP) 202.244.202.0 202.244.203.255
202.244.205.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.205.0 202.244.205.255
202.244.210.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.210.0 202.244.210.255
202.244.222.0/24 More specific AS2497 Internet Initiative Japan Inc. Japan (JP) 202.244.222.0 202.244.222.255
202.244.224.0/21 More specific AS4686 BEKKOAME INTERNET INC. Japan (JP) 202.244.224.0 202.244.231.255
202.244.236.0/22 More specific AS2516 KDDI CORPORATION Japan (JP) 202.244.236.0 202.244.239.255
202.244.240.0/20 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.244.240.0 202.244.255.255
202.245.2.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.245.2.0 202.245.3.255
202.245.11.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.245.11.0 202.245.11.255
202.245.13.0/24 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.245.13.0 202.245.13.255
202.245.24.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.245.24.0 202.245.25.255
202.245.31.0/24 More specific AS38629 NTT DOCOMO BUSINESS Inc Japan (JP) 202.245.31.0 202.245.31.255
202.245.32.0/19 More specific AS2516 KDDI CORPORATION Japan (JP) 202.245.32.0 202.245.63.255
202.245.64.0/19 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.245.64.0 202.245.95.255
202.245.96.0/22 More specific AS7687 TOYOTA SYSTEMS CORPORATION Japan (JP) 202.245.96.0 202.245.99.255
202.245.100.0/22 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.245.100.0 202.245.103.255
202.245.104.0/23 More specific AS2907 Research Organization of Information and Systems National Institute of Informatics Japan (JP) 202.245.104.0 202.245.105.255

Showing the first 100 announced prefixes. Additional more-specific announcements were omitted.