2,686 blocks registered in Japan.

🇯🇵 OSI PLUS CORPORATION 00:C0:6B:00:00:00 /24 MA-L 🇯🇵 Otaki Electric Corporation 00:50:C2:EB:20:00 /36 IAB 🇯🇵 Otanikeiki Co., Ltd. 00:06:01:00:00:00 /24 MA-L 🇯🇵 Otari, Inc. 00:05:42:00:00:00 /24 MA-L 🇯🇵 OTP CO.,LTD. 20:B3:7F:40:00:00 /28 MA-M 🇯🇵 OTSL Inc. 9C:FF:BE:00:00:00 /24 MA-L 🇯🇵 Otsuka Electronics Co., Ltd. 00:16:12:00:00:00 /24 MA-L 🇯🇵 OUEN CO.,LTD. 00:13:91:00:00:00 /24 MA-L 🇯🇵 Outstanding Technology Co., Ltd. 68:91:D0:E0:00:00 /28 MA-M 🇯🇵 OYO ELECTRIC CO.,LTD 00:0C:67:00:00:00 /24 MA-L 🇯🇵 P A Network Laboratory Co.,Ltd 00:1B:C5:0A:30:00 /36 MA-S 🇯🇵 P.T.I Co.,LTD A0:82:C7:00:00:00 /24 MA-L 🇯🇵 Pacific Corporation 00:05:6D:00:00:00 /24 MA-L 🇯🇵 Pacific Software Development Co., Ltd. 8C:1F:64:9A:10:00 /36 MA-S 🇯🇵 PacPort Corporation 04:D1:6E:C0:00:00 /28 MA-M 🇯🇵 PAL Inc. 70:B3:D5:05:B0:00 /36 MA-S 🇯🇵 PAL Inc. 8C:1F:64:60:C0:00 /36 MA-S 🇯🇵 Pal Software Service Co.,Ltd. 00:50:C2:C6:40:00 /36 IAB 🇯🇵 Palgiken Co.,Ltd. 00:50:C2:B5:E0:00 /36 IAB 🇯🇵 Panasonic Appliances Company 34:31:7F:00:00:00 /24 MA-L 🇯🇵 Panasonic Appliances Company 80:C7:55:00:00:00 /24 MA-L 🇯🇵 Panasonic Appliances Company B4:6C:47:00:00:00 /24 MA-L 🇯🇵 Panasonic Appliances Company D8:AF:F1:00:00:00 /24 MA-L 🇯🇵 Panasonic Automotive Systems 20:E5:9B:00:00:00 /24 MA-L 🇯🇵 Panasonic Automotive Systems Co., Ltd. FA:93:05:00:00:00 /24 CID 🇯🇵 Panasonic Automotive Systems Co.,Ltd 54:5B:86:00:00:00 /24 MA-L 🇯🇵 Panasonic Automotive Systems Co.,Ltd 74:D7:CA:00:00:00 /24 MA-L 🇯🇵 Panasonic Automotive Systems Co.,Ltd B0:D8:88:00:00:00 /24 MA-L 🇯🇵 Panasonic Automotive Systems Co.,Ltd CC:57:63:00:00:00 /24 MA-L 🇯🇵 Panasonic Communications Co., Ltd. 00:80:F0:00:00:00 /24 MA-L 🇯🇵 Panasonic Communications Co., Ltd. 08:00:23:00:00:00 /24 MA-L 🇯🇵 Panasonic Communications Co., Ltd. BC:C3:42:00:00:00 /24 MA-L 🇯🇵 Panasonic Connect Co., Ltd. 4C:36:4E:00:00:00 /24 MA-L 🇯🇵 Panasonic Connect Co., Ltd. B8:20:8E:00:00:00 /24 MA-L 🇯🇵 Panasonic Connect Co., Ltd. BC:3E:0B:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation 00:12:67:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation AVC Networks Company 00:1B:D3:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation AVC Networks Company 04:20:9A:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation AVC Networks Company 20:C6:EB:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation AVC Networks Company 70:58:12:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation AVC Networks Company 8C:C1:21:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation AVC Networks Company A8:13:74:00:00:00 /24 MA-L 🇯🇵 Panasonic Corporation AVC Networks Company CC:7E:E7:00:00:00 /24 MA-L 🇯🇵 Panasonic Ecology Systems 74:A5:7E:00:00:00 /24 MA-L 🇯🇵 Panasonic Electric Works Automation Controls Techno Co.,Ltd. 30:4C:7E:00:00:00 /24 MA-L 🇯🇵 Panasonic Electric Works Co., Ltd. 00:50:40:00:00:00 /24 MA-L 🇯🇵 Panasonic Electric Works Co., Ltd. 00:C0:8F:00:00:00 /24 MA-L 🇯🇵 Panasonic Electric Works Networks Co., Ltd. BC:69:CB:00:00:00 /24 MA-L 🇯🇵 Panasonic Entertainment & Communication Co., Ltd. 24:78:23:00:00:00 /24 MA-L 🇯🇵 Panasonic Mobile Communications Co.,Ltd. 00:19:87:00:00:00 /24 MA-L 🇯🇵 Panasonic Mobile Communications Co.,Ltd. 54:CD:10:00:00:00 /24 MA-L 🇯🇵 Panasonic Mobile Communications Co.,Ltd. D8:B1:2A:00:00:00 /24 MA-L 🇯🇵 Parama-tech Co.,Ltd. 00:17:4E:00:00:00 /24 MA-L 🇯🇵 Paramount Bed Holdings Co., Ltd. 70:B3:D5:8F:10:00 /36 MA-S 🇯🇵 PASCAL Co., Ltd. C4:7C:8D:50:00:00 /28 MA-M 🇯🇵 PATLITE CORPORATION 80:39:E5:00:00:00 /24 MA-L 🇯🇵 PATLITE Corporation 00:50:C2:27:90:00 /36 IAB 🇯🇵 PERSOL EXCEL HR PARTNERS CO., LTD. 8C:1F:64:46:B0:00 /36 MA-S 🇯🇵 PERSONAL MEDIA CORP. 00:C0:C6:00:00:00 /24 MA-L 🇯🇵 PEZY Computing K.K. 38:B8:EB:B0:00:00 /28 MA-M 🇯🇵 PFU LIMITED 00:80:17:00:00:00 /24 MA-L 🇯🇵 PFU LIMITED F0:BC:C9:00:00:00 /24 MA-L 🇯🇵 PHC Corporation 00:E0:5C:00:00:00 /24 MA-L 🇯🇵 Phoenix Co.,Ltd. 80:7B:85:20:00:00 /28 MA-M 🇯🇵 PHOENIX ENGINEERING CORP. C8:8E:D1:D0:00:00 /28 MA-M 🇯🇵 Photosynth Inc. 7C:47:7C:10:00:00 /28 MA-M 🇯🇵 Photron Limited 00:03:5A:00:00:00 /24 MA-L 🇯🇵 PHYTRONIX Co.,Ltd. 60:C6:58:00:00:00 /24 MA-L 🇯🇵 Pico Systems Co., Ltd. C0:58:A7:00:00:00 /24 MA-L 🇯🇵 PicoCELA, Inc. 04:2B:BB:00:00:00 /24 MA-L 🇯🇵 PiLink Co., Ltd. C8:AC:35:00:00:00 /24 MA-L 🇯🇵 Pinmicro K K C8:F5:D6:50:00:00 /28 MA-M 🇯🇵 PINON Corp. 00:06:A5:00:00:00 /24 MA-L 🇯🇵 PIONEER CORPORATION 00:E0:36:00:00:00 /24 MA-L 🇯🇵 PIONEER CORPORATION 74:5E:1C:00:00:00 /24 MA-L 🇯🇵 PIONEER CORPORATION 94:B2:CC:00:00:00 /24 MA-L 🇯🇵 PIONEERCORPORATION E0:6D:18:00:00:00 /24 MA-L 🇯🇵 PLANEX COMMUNICATIONS INC. 00:22:CF:00:00:00 /24 MA-L 🇯🇵 PLANEX COMMUNICATIONS INC. 00:90:CC:00:00:00 /24 MA-L 🇯🇵 PLANEX COMMUNICATIONS INC. 1C:C0:35:00:00:00 /24 MA-L 🇯🇵 PLANEX COMMUNICATIONS INC. 44:DC:91:00:00:00 /24 MA-L 🇯🇵 PLANEX COMMUNICATIONS INC. 8C:4C:DC:00:00:00 /24 MA-L 🇯🇵 PLAT'C2,Inc 00:0A:85:00:00:00 /24 MA-L 🇯🇵 PLAYLINE Co.,Ltd. 00:17:FF:00:00:00 /24 MA-L 🇯🇵 PLUS Corporation 00:12:12:00:00:00 /24 MA-L 🇯🇵 Plus One Global Ltd. 40:48:FD:90:00:00 /28 MA-M 🇯🇵 Plus One Japan Limited 4C:65:A8:40:00:00 /28 MA-M 🇯🇵 Plus One Japan Limited 4C:E1:73:E0:00:00 /28 MA-M 🇯🇵 Plus One Japan Ltd. A4:3B:FA:A0:00:00 /28 MA-M 🇯🇵 Pluto inc. 20:67:B1:00:00:00 /24 MA-L 🇯🇵 PMAC JAPAN 00:50:C2:E0:E0:00 /36 IAB 🇯🇵 PMT Corporation 70:B3:D5:80:40:00 /36 MA-S 🇯🇵 POCKETALK CORP. 8C:A6:82:B0:00:00 /28 MA-M 🇯🇵 Ponoor Experiments Inc. 60:95:CE:10:00:00 /28 MA-M 🇯🇵 Power Zenith Inc. 00:09:80:00:00:00 /24 MA-L 🇯🇵 PRECISION FUKUHARA WORKS,LTD. E8:F6:D7:10:00:00 /28 MA-M 🇯🇵 Precision System Science Co.,Ltd 00:50:C2:38:60:00 /36 IAB 🇯🇵 Preferred Robotics, Inc. 28:3E:0C:00:00:00 /24 MA-L 🇯🇵 Prime Motion Inc. 78:5C:28:00:00:00 /24 MA-L 🇯🇵 Prime Systems, Inc. 00:11:86:00:00:00 /24 MA-L