2,700 blocks registered in Japan.

🇯🇵 Foster Electric Company, Limited D0:9C:30:00:00:00 /24 MA-L 🇯🇵 Fostex Corporation 00:06:64:00:00:00 /24 MA-L 🇯🇵 Four Bars Design 8C:1F:64:25:70:00 /36 MA-S 🇯🇵 Free Talk Engineering Co., Ltd 8C:1F:64:D1:F0:00 /36 MA-S 🇯🇵 FreeBit Co., Ltd. F4:CA:24:00:00:00 /24 MA-L 🇯🇵 freecle Inc. C8:98:DB:20:00:00 /28 MA-M 🇯🇵 FrontAct Co., Ltd. A4:59:D3:60:00:00 /28 MA-M 🇯🇵 Fsas Technologies Inc. 30:E2:71:00:00:00 /24 MA-L 🇯🇵 FSTUDIO CO LTD 70:B3:D5:C0:B0:00 /36 MA-S 🇯🇵 Fuchu Giken, Inc. 70:B3:D5:30:30:00 /36 MA-S 🇯🇵 FUJI DATA SYSTEM Co., Ltd 00:50:C2:E3:70:00 /36 IAB 🇯🇵 FUJI DATA SYSTEM Co.,Ltd. 00:50:C2:CC:D0:00 /36 IAB 🇯🇵 FUJI DATA SYSTEM CO.,LTD. 70:B3:D5:E9:20:00 /36 MA-S 🇯🇵 FUJI ELECTRIC CO., LTD. 00:40:1A:00:00:00 /24 MA-L 🇯🇵 FUJI ELECTRIC CO., LTD. F8:E0:00:00:00:00 /24 MA-L 🇯🇵 Fuji Firmware 00:50:C2:A3:30:00 /36 IAB 🇯🇵 FUJI PHOTO FILM CO., LTD. 00:C0:2D:00:00:00 /24 MA-L 🇯🇵 Fuji System Machines Co., Ltd. 00:0F:3B:00:00:00 /24 MA-L 🇯🇵 FUJICOM Co.,Ltd. 70:B3:D5:00:A0:00 /36 MA-S 🇯🇵 FUJICOM Co.,Ltd. 70:B3:D5:9F:00:00 /36 MA-S 🇯🇵 FUJIFILM Business Innovation Corp. 08:00:37:00:00:00 /24 MA-L 🇯🇵 FUJIFILM Business Innovation Corp. 1C:7D:22:00:00:00 /24 MA-L 🇯🇵 FUJIFILM Corporation 88:B4:36:00:00:00 /24 MA-L 🇯🇵 FUJIFILM Healthcare Corporation 84:11:C2:30:00:00 /28 MA-M 🇯🇵 FUJIHENSOKUKI Co., Ltd. 8C:1F:64:A1:20:00 /36 MA-S 🇯🇵 FUJIKURA LTD. 00:40:41:00:00:00 /24 MA-L 🇯🇵 FUJIKURA RUBBER LTD. 10:A1:3B:00:00:00 /24 MA-L 🇯🇵 Fujikura Solutions Ltd. 00:0B:A1:00:00:00 /24 MA-L 🇯🇵 FUJINON CORPORATION 00:0E:FD:00:00:00 /24 MA-L 🇯🇵 Fujitsu Client Computing Limited E4:46:B0:00:00:00 /24 MA-L 🇯🇵 Fujitsu component limited 98:6E:E8:40:00:00 /28 MA-M 🇯🇵 Fujitsu I-Network Systems Limited. 00:0D:57:00:00:00 /24 MA-L 🇯🇵 FUJITSU ISOTEC LIMITED CC:B3:F8:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 00:00:0E:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 00:0B:5D:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 00:17:42:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 00:23:26:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 00:E0:00:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 2C:D4:44:00:00:00 /24 MA-L 🇯🇵 Fujitsu Limited 34:FE:9E:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 38:AF:D7:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 50:26:90:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 5C:9A:D8:00:00:00 /24 MA-L 🇯🇵 Fujitsu Limited 60:D5:1B:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 68:84:7E:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 74:2B:62:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED 8C:73:6E:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED A0:66:10:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED A8:B2:DA:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED B0:99:28:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED B0:AC:FA:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED C4:7D:46:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED E0:18:77:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED E4:7F:B2:00:00:00 /24 MA-L 🇯🇵 Fujitsu Limited E8:17:FC:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED EC:79:49:00:00:00 /24 MA-L 🇯🇵 FUJITSU LIMITED FC:08:4A:00:00:00 /24 MA-L 🇯🇵 Fujiya Denki Seisakusho Co.,Ltd. 00:0E:95:00:00:00 /24 MA-L 🇯🇵 FUKUDA DENSHI CO., LTD. 00:40:D1:00:00:00 /24 MA-L 🇯🇵 FUKUDA SANGYO CO., LTD. 70:B3:D5:C9:E0:00 /36 MA-S 🇯🇵 FUNAI ELECTRIC CO., LTD. 00:E0:A9:00:00:00 /24 MA-L 🇯🇵 FUNAI ELECTRIC CO., LTD. 04:D6:0E:00:00:00 /24 MA-L 🇯🇵 FUNAI ELECTRIC CO., LTD. 78:80:38:00:00:00 /24 MA-L 🇯🇵 FURUNO ELECTRIC CO., LTD. 00:D0:1D:00:00:00 /24 MA-L 🇯🇵 FURUNO SYSTEMS CO.,LTD. 68:E6:D4:00:00:00 /24 MA-L 🇯🇵 FUTABA CORPORATION F0:A7:B2:00:00:00 /24 MA-L 🇯🇵 Futaba Corporation 00:50:C2:28:C0:00 /36 IAB 🇯🇵 Futaba Corporation 40:D8:55:1A:00:00 /36 IAB 🇯🇵 Futaba-Kikaku B0:12:66:00:00:00 /24 MA-L 🇯🇵 FUTEC INC. 00:50:C2:E5:A0:00 /36 IAB 🇯🇵 Future University-Hakodate 00:1A:A4:00:00:00 /24 MA-L 🇯🇵 FutureTechnologyLaboratories INC. 70:B3:D5:B5:90:00 /36 MA-S 🇯🇵 Fuyoh Video Industry CO., LTD. 00:0A:C0:00:00:00 /24 MA-L 🇯🇵 FXC Inc. 00:17:2E:00:00:00 /24 MA-L 🇯🇵 G-Printec, Inc. 90:3D:68:00:00:00 /24 MA-L 🇯🇵 GAIO TECHNOLOGY 00:90:73:00:00:00 /24 MA-L 🇯🇵 Galileo, Inc. 28:FD:80:10:00:00 /28 MA-M 🇯🇵 Gehirn Inc. 5C:3B:35:00:00:00 /24 MA-L 🇯🇵 GENERAL Inc. 00:02:DC:00:00:00 /24 MA-L 🇯🇵 General Research of Electronics, Inc. 00:07:15:00:00:00 /24 MA-L 🇯🇵 GENETEC Corporation 00:0A:B1:00:00:00 /24 MA-L 🇯🇵 Genuine Technologies Co., Ltd. 00:25:26:00:00:00 /24 MA-L 🇯🇵 Gigabit Systems Inc. 00:0F:A1:00:00:00 /24 MA-L 🇯🇵 Gigafirm.co.LTD 50:CE:E3:00:00:00 /24 MA-L 🇯🇵 Gigaphoton Inc. 00:08:FC:00:00:00 /24 MA-L 🇯🇵 Giken Trastem Co., Ltd. 00:1E:DB:00:00:00 /24 MA-L 🇯🇵 Ginganet Corporation 00:07:B9:00:00:00 /24 MA-L 🇯🇵 GL Solutions Inc. C4:95:4D:40:00:00 /28 MA-M 🇯🇵 Glamo Inc. B8:D8:12:00:00:00 /28 MA-M 🇯🇵 GLBB Japan 8C:12:C2:00:00:00 /24 MA-L 🇯🇵 Global Networks ZEN-EI Co., Ltd 68:DA:73:60:00:00 /28 MA-M 🇯🇵 Glory Technical Solutions Co., Ltd. 00:07:A7:00:00:00 /24 MA-L 🇯🇵 GLORY, LTD. 00:A0:58:00:00:00 /24 MA-L 🇯🇵 GM-2 Corporation 00:08:12:00:00:00 /24 MA-L 🇯🇵 GOAL Co., Ltd. 44:32:C2:00:00:00 /24 MA-L 🇯🇵 GopherTec Inc. 00:0F:EC:00:00:00 /24 MA-L 🇯🇵 GopherTec Inc. 84:AF:1F:00:00:00 /24 MA-L 🇯🇵 Grainmustards, Co,ltd. 00:27:14:00:00:00 /24 MA-L 🇯🇵 Grasphere Japan 04:19:7F:00:00:00 /24 MA-L 🇯🇵 GREEN HOUSE CO., LTD. 70:B3:D5:4C:F0:00 /36 MA-S