2,686 blocks registered in Japan.

🇯🇵 SOUTHERN PACIFIC LTD. 00:80:7E:00:00:00 /24 MA-L 🇯🇵 SOWA ELECTRIC CO., LTD. 00:50:C2:51:60:00 /36 IAB 🇯🇵 SPACE CREATORS ALLIANCE Inc. 8C:1F:64:D3:30:00 /36 MA-S 🇯🇵 SPC ELECTRONICS CORPORATION 00:E0:2E:00:00:00 /24 MA-L 🇯🇵 Spectratech Inc. 40:D8:55:15:C0:00 /36 IAB 🇯🇵 Spectronix Corporation D8:A5:34:00:00:00 /24 MA-L 🇯🇵 Spectronix Corporation 00:50:C2:C1:40:00 /36 IAB 🇯🇵 Square Route Co., Ltd. 34:92:C2:00:00:00 /24 MA-L 🇯🇵 SSD Company Limited 00:16:48:00:00:00 /24 MA-L 🇯🇵 STAC Corporation. 00:13:99:00:00:00 /24 MA-L 🇯🇵 STANLEY ELECTRIC CO., LTD 00:80:59:00:00:00 /24 MA-L 🇯🇵 STAR MICRONICS CO.,LTD. 00:11:62:00:00:00 /24 MA-L 🇯🇵 StarBridge, Inc. 70:B3:D5:1B:50:00 /36 MA-S 🇯🇵 START TODAY CO.,LTD. E0:B6:F5:10:00:00 /28 MA-M 🇯🇵 Starts Facility Service Co.,Ltd 8C:1F:64:AC:60:00 /36 MA-S 🇯🇵 SteeRetail Co.,Ltd. 30:83:6B:00:00:00 /24 MA-L 🇯🇵 Stella-Green Co 40:61:8E:00:00:00 /24 MA-L 🇯🇵 Step Technica Co., Ltd. 70:B3:D5:28:C0:00 /36 MA-S 🇯🇵 STK Technology Co., Ltd. 20:0F:92:00:00:00 /24 MA-L 🇯🇵 Strawberry Linux Co.,Ltd. 00:18:59:00:00:00 /24 MA-L 🇯🇵 STUDIO GEN INC. 00:40:D7:00:00:00 /24 MA-L 🇯🇵 Sugihara Software and Electron Industry 8C:1F:64:2A:D0:00 /36 MA-S 🇯🇵 SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC 00:12:94:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd 00:00:5F:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd 00:08:F6:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd 00:0B:A2:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd 00:1C:FC:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd 00:25:DC:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd 08:4E:BF:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd 44:38:8C:00:00:00 /24 MA-L 🇯🇵 Sumitomo Electric Industries, Ltd A4:DE:26:00:00:00 /24 MA-L 🇯🇵 Sumitomo Heavy Industries, Ltd. 70:B3:D5:C2:30:00 /36 MA-S 🇯🇵 Sumitomo Kizai Co.,Ltd. 84:6A:66:00:00:00 /24 MA-L 🇯🇵 Sumitomo Metal Micro Devices, Inc. 00:06:C8:00:00:00 /24 MA-L 🇯🇵 Sumitomo Wiring Systems, Ltd. 80:0A:80:20:00:00 /28 MA-M 🇯🇵 Sun Communications, Inc. 00:05:7D:00:00:00 /24 MA-L 🇯🇵 SUN ELECTRONICS CO.,LTD. 70:B3:D5:D8:20:00 /36 MA-S 🇯🇵 SUN ELECTRONICS CORP. 00:80:F3:00:00:00 /24 MA-L 🇯🇵 Sun Optronics Inc 00:0E:3E:00:00:00 /24 MA-L 🇯🇵 Sunny Giken, Inc. 00:06:65:00:00:00 /24 MA-L 🇯🇵 Sunray Co. Ltd. 00:0F:F0:00:00:00 /24 MA-L 🇯🇵 Sunshine Co,LTD 00:1D:F5:00:00:00 /24 MA-L 🇯🇵 SUNTAC Co., Ltd. 8C:1F:64:80:B0:00 /36 MA-S 🇯🇵 SUN･TECTRO,Ltd. 8C:1F:64:6D:E0:00 /36 MA-S 🇯🇵 Supreme Magic Corporation 00:05:2C:00:00:00 /24 MA-L 🇯🇵 SURE SYSTEM Co Ltd D8:14:D6:00:00:00 /24 MA-L 🇯🇵 SURIGIKEN CO., LTD. 00:80:3D:00:00:00 /24 MA-L 🇯🇵 SURUGA SEIKI CO., LTD. 70:B3:D5:9F:E0:00 /36 MA-S 🇯🇵 SUS Corporation 70:B3:D5:1E:D0:00 /36 MA-S 🇯🇵 SUS Corporation 70:B3:D5:42:20:00 /36 MA-S 🇯🇵 SUS Corporation 8C:1F:64:5B:F0:00 /36 MA-S 🇯🇵 SUS Corporation 8C:1F:64:65:B0:00 /36 MA-S 🇯🇵 SUS Corporation 8C:1F:64:F6:90:00 /36 MA-S 🇯🇵 Suzuken D8:43:ED:00:00:00 /24 MA-L 🇯🇵 SUZUKEN CO.,LTD 00:1A:C9:00:00:00 /24 MA-L 🇯🇵 Switch Science (Panini Keikaku) 00:50:C2:97:20:00 /36 IAB 🇯🇵 Switch Science, Inc. 8C:1F:64:2F:00:00 /36 MA-S 🇯🇵 SYGN HOUSE INC. A0:C4:A5:00:00:00 /24 MA-L 🇯🇵 Synclayer Inc. 00:60:6B:00:00:00 /24 MA-L 🇯🇵 Synclayer Inc. 9C:40:CD:00:00:00 /24 MA-L 🇯🇵 Syowatsusinkougyo Co.,Ltd. 6C:5C:3D:D0:00:00 /28 MA-M 🇯🇵 Sysmex Corporation 00:06:6B:00:00:00 /24 MA-L 🇯🇵 Sysnet Co., Ltd. 00:50:C2:0F:40:00 /36 IAB 🇯🇵 Systec Co., Ltd. 00:08:A8:00:00:00 /24 MA-L 🇯🇵 SYSTECH 00:50:C2:DD:40:00 /36 IAB 🇯🇵 system a.v. co., ltd. 88:3F:0C:00:00:00 /24 MA-L 🇯🇵 SYSTEM CREATE CORP. 00:90:60:00:00:00 /24 MA-L 🇯🇵 System In Frontier Inc. 20:FE:CD:00:00:00 /24 MA-L 🇯🇵 System LSI CO.Ltd. 00:50:C2:6B:70:00 /36 IAB 🇯🇵 System Talks Inc. 00:01:0C:00:00:00 /24 MA-L 🇯🇵 SystemAdvanced Co,Ltd 00:50:C2:E8:D0:00 /36 IAB 🇯🇵 SystemGear Co., Ltd. 00:03:CB:00:00:00 /24 MA-L 🇯🇵 SystemK Corporation 00:09:13:00:00:00 /24 MA-L 🇯🇵 T&D Corporation 00:0D:8B:00:00:00 /24 MA-L 🇯🇵 T.D.I. CO., LTD. 00:80:E2:00:00:00 /24 MA-L 🇯🇵 TABUCHI ELECTRIC CO.,LTD A0:12:DB:00:00:00 /24 MA-L 🇯🇵 TAC Inc. 00:18:5F:00:00:00 /24 MA-L 🇯🇵 TACHIBANA TECTRON CO., LTD. 00:40:09:00:00:00 /24 MA-L 🇯🇵 TAISHIN CO., LTD. 00:11:38:00:00:00 /24 MA-L 🇯🇵 Taishodo Seiko Co., Ltd. 00:50:C2:17:00:00 /36 IAB 🇯🇵 TAITEX CORPORATION 3C:42:7E:90:00:00 /28 MA-M 🇯🇵 TAIYO CORPORATION 00:20:2D:00:00:00 /24 MA-L 🇯🇵 TAIYO DENON Corporation 8C:1F:64:AB:E0:00 /36 MA-S 🇯🇵 Taiyo Yuden Co., Ltd. 00:03:7A:00:00:00 /24 MA-L 🇯🇵 Taiyo Yuden Co., Ltd. 00:22:58:00:00:00 /24 MA-L 🇯🇵 TAIYO YUDEN CO., LTD. D4:4B:5E:00:00:00 /24 MA-L 🇯🇵 TAIYO YUDEN CO.,LTD 48:A4:93:00:00:00 /24 MA-L 🇯🇵 TAIYO YUDEN CO.,LTD 8C:D5:4A:00:00:00 /24 MA-L 🇯🇵 TAIYO YUDEN CO.,LTD AC:3F:A4:00:00:00 /24 MA-L 🇯🇵 Takacom Corporation 00:1A:48:00:00:00 /24 MA-L 🇯🇵 Takagi Industrial Co., Ltd. 00:04:D6:00:00:00 /24 MA-L 🇯🇵 Takahata Electronics Co.,Ltd 00:1D:A8:00:00:00 /24 MA-L 🇯🇵 Takahata Precision 50:D6:D7:00:00:00 /24 MA-L 🇯🇵 TAKAHATA PRECISION Co., LTD. 8C:1F:64:5A:D0:00 /36 MA-S 🇯🇵 Takamisawa Cybernetics Co., Ltd. 00:03:DA:00:00:00 /24 MA-L 🇯🇵 TAKAOKA ELECTRIC MFG. CO. LTD. 00:80:BF:00:00:00 /24 MA-L 🇯🇵 TAKAOKA TOKO CO.,LTD. 34:54:3C:00:00:00 /24 MA-L 🇯🇵 Takaratomy DA:C4:51:00:00:00 /24 CID 🇯🇵 Takasago Ltd. 00:06:7D:00:00:00 /24 MA-L 🇯🇵 TAKASAKI KYODO COMPUTING CENTER Co.,LTD. 8C:1F:64:7D:D0:00 /36 MA-S