2,686 blocks registered in Japan.

🇯🇵 CANON INC. 2C:9E:FC:00:00:00 /24 MA-L 🇯🇵 CANON INC. 34:9F:7B:00:00:00 /24 MA-L 🇯🇵 CANON INC. 40:F8:DF:00:00:00 /24 MA-L 🇯🇵 CANON INC. 50:03:CF:00:00:00 /24 MA-L 🇯🇵 CANON INC. 5C:62:5A:00:00:00 /24 MA-L 🇯🇵 CANON INC. 60:12:8B:00:00:00 /24 MA-L 🇯🇵 CANON INC. 6C:3C:7C:00:00:00 /24 MA-L 🇯🇵 CANON INC. 6C:F2:D8:00:00:00 /24 MA-L 🇯🇵 CANON INC. 74:38:B7:00:00:00 /24 MA-L 🇯🇵 CANON INC. 74:BF:C0:00:00:00 /24 MA-L 🇯🇵 CANON INC. 80:03:0D:00:00:00 /24 MA-L 🇯🇵 CANON INC. 84:BA:3B:00:00:00 /24 MA-L 🇯🇵 CANON INC. 88:87:17:00:00:00 /24 MA-L 🇯🇵 CANON INC. 9C:32:CE:00:00:00 /24 MA-L 🇯🇵 CANON INC. A4:F0:1F:00:00:00 /24 MA-L 🇯🇵 CANON INC. D8:49:2F:00:00:00 /24 MA-L 🇯🇵 CANON INC. DC:C2:C9:00:00:00 /24 MA-L 🇯🇵 CANON INC. F4:81:39:00:00:00 /24 MA-L 🇯🇵 CANON INC. F4:A9:97:00:00:00 /24 MA-L 🇯🇵 CANON INC. F8:0D:60:00:00:00 /24 MA-L 🇯🇵 CANON INC. F8:A2:6D:00:00:00 /24 MA-L 🇯🇵 CANOPUS CO., LTD. 00:20:11:00:00:00 /24 MA-L 🇯🇵 CARECOM CO.,LTD. 00:26:67:00:00:00 /24 MA-L 🇯🇵 Carina System Co., Ltd. 00:26:9A:00:00:00 /24 MA-L 🇯🇵 CASIO COMPUTER CO. LTD. 08:00:74:00:00:00 /24 MA-L 🇯🇵 Casio Hitachi Mobile Communications Co., Ltd. 00:1F:C7:00:00:00 /24 MA-L 🇯🇵 CAT SYSTEM CO.,LTD. B0:E3:9D:00:00:00 /24 MA-L 🇯🇵 CATS Co., Ltd. 00:08:15:00:00:00 /24 MA-L 🇯🇵 CBC Co., Ltd 00:1C:B8:00:00:00 /24 MA-L 🇯🇵 CCS Inc. 00:1F:8C:00:00:00 /24 MA-L 🇯🇵 CDEX Corp. 40:D8:55:18:70:00 /36 IAB 🇯🇵 CDS Institute of Management Strategy, Inc. 70:B3:D5:3A:30:00 /36 MA-S 🇯🇵 Cear, Inc. 08:E3:42:00:00:00 /24 MA-L 🇯🇵 CELL System Co.,Ltd. 6C:DF:FB:B0:00:00 /28 MA-M 🇯🇵 CENTRAL Corporation 00:24:BB:00:00:00 /24 MA-L 🇯🇵 Central Denshi Seigyo 84:FB:43:00:00:00 /24 MA-L 🇯🇵 CENTRAL ENGINEERING co.,ltd. A0:4E:01:00:00:00 /24 MA-L 🇯🇵 CENTRAL SYSTEM RESEARCH CO., LTD. 00:90:ED:00:00:00 /24 MA-L 🇯🇵 CENTURY CORPORATION 00:E0:37:00:00:00 /24 MA-L 🇯🇵 CENTURY SYSTEMS CORP. 00:80:6D:00:00:00 /24 MA-L 🇯🇵 Centuryarks Ltd., 70:B3:D5:52:C0:00 /36 MA-S 🇯🇵 Cerevo Inc. 74:E1:4A:10:00:00 /28 MA-M 🇯🇵 CHEMI-CON 8C:1F:64:E8:70:00 /36 MA-S 🇯🇵 CHIeru., CO., Ltd. 70:B3:D5:78:30:00 /36 MA-S 🇯🇵 Chino Corporation 00:04:99:00:00:00 /24 MA-L 🇯🇵 Chitose Co.,Ltd 00:50:C2:B4:B0:00 /36 IAB 🇯🇵 Chiyoda Electronics Co.,Ltd. 40:B3:CD:00:00:00 /24 MA-L 🇯🇵 CHIYODA SYSTEM RIKEN 00:30:E4:00:00:00 /24 MA-L 🇯🇵 CHOFU SEISAKUSHO CO.,LTD A4:F5:22:00:00:00 /24 MA-L 🇯🇵 CHROMATEK INC. 00:01:52:00:00:00 /24 MA-L 🇯🇵 Chugoku Electric Manufacturing Co.,Inc 70:B3:D5:5A:A0:00 /36 MA-S 🇯🇵 CHUGOKU ELECTRICAL INSTRUMENTS Co.,LTD. 8C:1F:64:DD:30:00 /36 MA-S 🇯🇵 Chunichi Denshi Co.,LTD. 00:18:F1:00:00:00 /24 MA-L 🇯🇵 Chuo Electric Works Co., LTD. 00:50:C2:34:C0:00 /36 IAB 🇯🇵 CHUO ELECTRONICS CO., LTD. 00:40:F1:00:00:00 /24 MA-L 🇯🇵 CI Network Corp. 00:15:B5:00:00:00 /24 MA-L 🇯🇵 Circleone Co.,Ltd. 00:1C:D0:00:00:00 /24 MA-L 🇯🇵 CIS Corporation 00:50:C2:64:C0:00 /36 IAB 🇯🇵 Citizen Watch Co., Ltd. 00:0C:AC:00:00:00 /24 MA-L 🇯🇵 CKD Corporation 3C:83:1E:00:00:00 /24 MA-L 🇯🇵 CKS Corporation 80:D0:65:00:00:00 /24 MA-L 🇯🇵 CLEALINK TECHNOLOGY 8C:1F:64:B9:10:00 /36 MA-S 🇯🇵 CLIP Inc. 70:F8:E7:40:00:00 /28 MA-M 🇯🇵 closip Inc. 94:05:BB:70:00:00 /28 MA-M 🇯🇵 CLOUD TELECOM Inc. 8C:1F:64:0C:A0:00 /36 MA-S 🇯🇵 CLOUD TELECOM Inc. 8C:1F:64:52:E0:00 /36 MA-S 🇯🇵 CLOUD TELECOM Inc. 8C:1F:64:E1:C0:00 /36 MA-S 🇯🇵 CLOVER ELECTRONICS CO.,LTD. 00:23:0C:00:00:00 /24 MA-L 🇯🇵 Clovertech, Inc. 00:03:CD:00:00:00 /24 MA-L 🇯🇵 CMICRO CORPORATION 00:10:51:00:00:00 /24 MA-L 🇯🇵 CODEC Co., Ltd. 00:50:C2:9D:F0:00 /36 IAB 🇯🇵 CODEC Co., Ltd. 70:B3:D5:B3:70:00 /36 MA-S 🇯🇵 Coder Electronics Corporation 00:14:55:00:00:00 /24 MA-L 🇯🇵 Collabo Tec. Co., Ltd. 00:50:C2:0E:40:00 /36 IAB 🇯🇵 COMOTA Co., Ltd. B0:1F:81:60:00:00 /28 MA-M 🇯🇵 COMPAC INC. 00:40:24:00:00:00 /24 MA-L 🇯🇵 COMPUTER HI-TECH INC. 00:1A:BE:00:00:00 /24 MA-L 🇯🇵 COMPUTER OFFICE Co.,Ltd. 4C:07:C9:00:00:00 /24 MA-L 🇯🇵 Computer System Co.,Ltd 40:D8:55:03:C0:00 /36 IAB 🇯🇵 COMPUTER TECHNICA, INC. 00:10:28:00:00:00 /24 MA-L 🇯🇵 COMPUTEX CO., LTD. 00:A0:0B:00:00:00 /24 MA-L 🇯🇵 COMTEC co.,ltd 80:0A:06:00:00:00 /24 MA-L 🇯🇵 COMTRON, INC. 00:20:49:00:00:00 /24 MA-L 🇯🇵 ComWorth Co., Ltd. 00:22:D4:00:00:00 /24 MA-L 🇯🇵 CONET CO., LTD. 4C:B9:C8:00:00:00 /24 MA-L 🇯🇵 CONTEC CO., LTD. 00:80:4C:00:00:00 /24 MA-L 🇯🇵 CORE CORPORATION 00:17:6D:00:00:00 /24 MA-L 🇯🇵 Core Micro Systems Inc. 00:14:A2:00:00:00 /24 MA-L 🇯🇵 CORE STAFF CO., LTD. BC:4E:3C:00:00:00 /24 MA-L 🇯🇵 Core System Japan 00:26:64:00:00:00 /24 MA-L 🇯🇵 corega K.K 00:0A:79:00:00:00 /24 MA-L 🇯🇵 corega K.K 00:26:87:00:00:00 /24 MA-L 🇯🇵 CORES Corporation 70:B3:D5:8C:E0:00 /36 MA-S 🇯🇵 CORETEC Inc. 04:EC:A9:70:00:00 /28 MA-M 🇯🇵 CORONA CORPORATION 00:14:61:00:00:00 /24 MA-L 🇯🇵 COSMIC ENGINEERING INC. 00:0D:C7:00:00:00 /24 MA-L 🇯🇵 COSMO CO., LTD D4:94:5A:00:00:00 /24 MA-L 🇯🇵 COSMO co.,ltd. 00:50:C2:1E:C0:00 /36 IAB 🇯🇵 Cosmo Life Co.,Ltd 00:50:C2:E8:50:00 /36 IAB 🇯🇵 Cosmo Techs Co., Ltd. 00:0F:1D:00:00:00 /24 MA-L