2,686 blocks registered in Japan.

🇯🇵 PRIMETECH ENGINEERING CORP. 28:F5:37:30:00:00 /28 MA-M 🇯🇵 PRIMETECH ENGINEERING CORP. 00:50:C2:A4:70:00 /36 IAB 🇯🇵 Princeton Technology, Ltd 00:12:D4:00:00:00 /24 MA-L 🇯🇵 PRIVATECH Inc. 00:50:C2:D5:E0:00 /36 IAB 🇯🇵 Product Design Dept., Sohwa Corporation 00:50:C2:1F:F0:00 /36 IAB 🇯🇵 Project92.com 8C:1F:64:EB:C0:00 /36 MA-S 🇯🇵 Pultek Corp. 00:05:92:00:00:00 /24 MA-L 🇯🇵 Pylone, Inc. 00:1D:2D:00:00:00 /24 MA-L 🇯🇵 Qool Technologies Ltd. 00:23:13:00:00:00 /24 MA-L 🇯🇵 QUALICA Inc. 00:24:D3:00:00:00 /24 MA-L 🇯🇵 QuEL, Inc. FC:E4:98:10:00:00 /28 MA-M 🇯🇵 QUICCO SOUND Corporation 70:B3:D5:A7:E0:00 /36 MA-S 🇯🇵 R&K 8C:1F:64:DC:60:00 /36 MA-S 🇯🇵 R.A. SYSTEMS CO., LTD. 00:A0:C2:00:00:00 /24 MA-L 🇯🇵 Radius Co., Ltd. 00:04:79:00:00:00 /24 MA-L 🇯🇵 Rasteme Systems Co., Ltd. 00:04:15:00:00:00 /24 MA-L 🇯🇵 RATOC SYSTEM INC. 00:C0:D0:00:00:00 /24 MA-L 🇯🇵 Rawasi Co 90:F9:64:00:00:00 /24 MA-L 🇯🇵 RayTron, INC. 98:27:82:B0:00:00 /28 MA-M 🇯🇵 Real World Computing Partnership 00:50:C2:0D:20:00 /36 IAB 🇯🇵 RealVision Inc. 00:50:C2:A4:20:00 /36 IAB 🇯🇵 REGULUS CO.,LTD. C0:D3:91:D0:00:00 /28 MA-M 🇯🇵 REJ Co.,Ltd 00:18:36:00:00:00 /24 MA-L 🇯🇵 Renesas Electronics Corporation 74:90:50:00:00:00 /24 MA-L 🇯🇵 Renesas Technology Sales Co., Ltd. 00:1E:01:00:00:00 /24 MA-L 🇯🇵 Resonant Systems Inc. 98:AA:FC:B0:00:00 /28 MA-M 🇯🇵 REUDO CORPORATION 00:20:76:00:00:00 /24 MA-L 🇯🇵 Revox Inc. D0:76:50:E0:00:00 /28 MA-M 🇯🇵 Rexxam Co.,Ltd. 70:B3:D5:B3:50:00 /36 MA-S 🇯🇵 RFT Corp. 8C:1F:64:0A:90:00 /36 MA-S 🇯🇵 Rhythm Watch Co., Ltd. 00:07:52:00:00:00 /24 MA-L 🇯🇵 Riava Networks, Inc. 18:44:62:00:00:00 /24 MA-L 🇯🇵 RICOH COMPANY LTD. 00:00:74:00:00:00 /24 MA-L 🇯🇵 RICOH COMPANY, LTD. 58:38:79:00:00:00 /24 MA-L 🇯🇵 RICOH COMPANY,LTD. 00:26:73:00:00:00 /24 MA-L 🇯🇵 Rigaku Corporation 00:07:FE:00:00:00 /24 MA-L 🇯🇵 Rigaku Corporation Osaka Plant 00:50:92:00:00:00 /24 MA-L 🇯🇵 Riken Keiki Co., Ltd. 00:21:BB:00:00:00 /24 MA-L 🇯🇵 RIKEN KEIKI NARA MFG. Co., Ltd. 78:5E:E8:10:00:00 /28 MA-M 🇯🇵 RIKEN OPTECH CORPORATION 70:B3:D5:63:E0:00 /36 MA-S 🇯🇵 RION CO., LTD. 00:10:50:00:00:00 /24 MA-L 🇯🇵 RISO KAGAKU CORPORATION 24:BA:13:00:00:00 /24 MA-L 🇯🇵 RIVERTEC CORPORATION 00:0C:74:00:00:00 /24 MA-L 🇯🇵 RKC INSTRUMENT INC. 00:13:FB:00:00:00 /24 MA-L 🇯🇵 ROHM CO., LTD. 00:1D:12:00:00:00 /24 MA-L 🇯🇵 ROLAND DG CORPORATION 00:40:AB:00:00:00 /24 MA-L 🇯🇵 ROOT, INC. 00:D0:14:00:00:00 /24 MA-L 🇯🇵 RORZE CORPORATION 90:47:16:00:00:00 /24 MA-L 🇯🇵 ROUND Co.,Ltd. 00:0C:B3:00:00:00 /24 MA-L 🇯🇵 Routrek Networks Corporation 00:03:45:00:00:00 /24 MA-L 🇯🇵 Rowan Tools Office 8C:1F:64:F5:40:00 /36 MA-S 🇯🇵 RYOSEI, Ltd. 00:00:BD:00:00:00 /24 MA-L 🇯🇵 Ryowa Electronics Co.,Ltd 08:8D:C8:00:00:00 /24 MA-L 🇯🇵 Ryoyu-GC Co.,Ltd 8C:1F:64:62:30:00 /36 MA-S 🇯🇵 S-Takaya Electronics Industry Co.,Ltd. 00:0C:36:00:00:00 /24 MA-L 🇯🇵 S.E.I. CO.,LTD. 70:B3:D5:12:D0:00 /36 MA-S 🇯🇵 S.E.I. CO.,LTD. 70:B3:D5:56:B0:00 /36 MA-S 🇯🇵 S.E.I. CO.,LTD. 8C:1F:64:65:50:00 /36 MA-S 🇯🇵 S.E.I. CO.,LTD. 8C:1F:64:C0:90:00 /36 MA-S 🇯🇵 S.E.TECHNOLOGIES LIMITED C8:F6:8D:00:00:00 /24 MA-L 🇯🇵 S.I. Soubou, Inc. 00:04:B9:00:00:00 /24 MA-L 🇯🇵 Sage Co., Ltd. 18:20:A6:00:00:00 /24 MA-L 🇯🇵 SAGINOMIYA Seisakusho Inc. 00:0B:7E:00:00:00 /24 MA-L 🇯🇵 SAICE 70:B3:D5:FB:70:00 /36 MA-S 🇯🇵 SAKA TECHNO SCIENCE CO.,LTD 00:1D:3E:00:00:00 /24 MA-L 🇯🇵 SAKAI SYSTEM DEVELOPMENT CORP. 00:E0:C3:00:00:00 /24 MA-L 🇯🇵 SAKATA DENKI Co., Ltd. 28:2C:02:00:00:00 /28 MA-M 🇯🇵 SAKUMA DESIGN OFFICE 00:0E:0A:00:00:00 /24 MA-L 🇯🇵 SAKURA Internet Inc. 9C:A3:BA:00:00:00 /24 MA-L 🇯🇵 SAKURA SEIKI Co., Ltd. 8C:1F:64:58:00:00 /36 MA-S 🇯🇵 Sakura Seiki Co.,Ltd. 00:50:C2:FC:50:00 /36 IAB 🇯🇵 Sakura Seiki Co.,Ltd. 70:B3:D5:08:20:00 /36 MA-S 🇯🇵 Sakura Seiki Co.,Ltd. 70:B3:D5:B6:20:00 /36 MA-S 🇯🇵 Sakura Seiki Co.,Ltd. 8C:1F:64:28:C0:00 /36 MA-S 🇯🇵 SAM Co., Ltd. 00:50:C2:C1:A0:00 /36 IAB 🇯🇵 Sammy Corporation 00:0C:27:00:00:00 /24 MA-L 🇯🇵 SAMSON CO.,LTD. 8C:1F:64:49:00:00 /36 MA-S 🇯🇵 SAN-AI Electronic Industries Co.,Ltd. 8C:1F:64:FB:D0:00 /36 MA-S 🇯🇵 San-Eisha, Ltd. 00:1E:9B:00:00:00 /24 MA-L 🇯🇵 SANDEN CORPORATION 00:0D:25:00:00:00 /24 MA-L 🇯🇵 Sanei Electric Inc. 00:12:2F:00:00:00 /24 MA-L 🇯🇵 SANIX INCORPORATED D8:7C:DD:00:00:00 /24 MA-L 🇯🇵 SANKO ELECTRIC CO,.LTD 00:0D:B7:00:00:00 /24 MA-L 🇯🇵 Sanko Electronics Co., Ltd. 00:04:08:00:00:00 /24 MA-L 🇯🇵 Sanko-sha,inc. 70:B3:D5:7E:00:00 /36 MA-S 🇯🇵 Sankosha Corporation 0C:9E:91:00:00:00 /24 MA-L 🇯🇵 Sankyo Intec Co,ltd 70:B3:D5:E7:F0:00 /36 MA-S 🇯🇵 Sankyo Intec co.,ltd 70:B3:D5:66:40:00 /36 MA-S 🇯🇵 SankyuElectronics 78:55:17:00:00:00 /24 MA-L 🇯🇵 Sanmei Electronics Co.,Ltd 00:0F:71:00:00:00 /24 MA-L 🇯🇵 SANO SERVICE Co.,Ltd 70:B3:D5:D9:50:00 /36 MA-S 🇯🇵 Sanritz Corporation 00:07:06:00:00:00 /24 MA-L 🇯🇵 SANSHA ELECTRIC MANUFACTURING CO., LTD. A0:24:90:90:00:00 /28 MA-M 🇯🇵 SANSHIN ELECTRONICS CO.,LTD. 4C:40:88:00:00:00 /24 MA-L 🇯🇵 Santec Corporation 2C:48:35:C0:00:00 /28 MA-M 🇯🇵 SANWA CORPORATION 8C:1F:64:C0:40:00 /36 MA-S 🇯🇵 SANWA ELECTRONIC INSTRUMENT CO.,LTD 48:E6:C6:80:00:00 /28 MA-M 🇯🇵 Sanwa New Tec Co.,Ltd 70:B3:D5:15:50:00 /36 MA-S 🇯🇵 Sanwa Supply Inc. 8C:1F:64:06:B0:00 /36 MA-S 🇯🇵 SANYO DENKI CO., LTD. 00:E0:4E:00:00:00 /24 MA-L