Vendor directory

2,700 blocks registered in Japan.

Page 8 of 27

Every MA-L, MA-M, MA-S, IAB, and CID block IEEE has ever assigned to a named organization, browsable or searchable.

Unique organizations1,911
Total blocks2,700
MA-L count1,929
MA-M count183
MA-S count388
IAB count193
CID count7
Total address capacity32,674,959,360
Last changed hereOct 7, 2026

Country reflects the address published in the IEEE registration record. It does not indicate where a device was manufactured, sold, located or currently used.

Largest organizations in Japan

Organization Prefix Type
🇯🇵 GS Yuasa International Ltd. D0:9F:D9:30:00:00 /28 MA-M 🇯🇵 GS Yuasa Power Supply Ltd. 00:21:4E:00:00:00 /24 MA-L 🇯🇵 GUNMA ELECTRONICS CO LTD 00:50:C2:D1:30:00 /36 IAB 🇯🇵 GUNMA ELECTRONICS CO LTD 70:B3:D5:64:F0:00 /36 MA-S 🇯🇵 HAFT TECHNOLOGY, INC. 00:C0:6E:00:00:00 /24 MA-L 🇯🇵 HAGIWARA ELECTRIC CO., LTD. 00:E0:31:00:00:00 /24 MA-L 🇯🇵 Hagiwara Solutions Co., Ltd 50:62:55:10:00:00 /28 MA-M 🇯🇵 Hagiwara Solutions Co., Ltd. 70:B3:D5:3C:40:00 /36 MA-S 🇯🇵 HAGIWARA SYS-COM CO., LTD. 00:60:3C:00:00:00 /24 MA-L 🇯🇵 HAKKO Corporation DC:28:34:00:00:00 /24 MA-L 🇯🇵 HAKKO ELECTRONICS CO., LTD. 00:50:FF:00:00:00 /24 MA-L 🇯🇵 HAKUSAN CORPORATION 00:50:E6:00:00:00 /24 MA-L 🇯🇵 Hakusan.Mfg.Co,.Ltd 00:1F:18:00:00:00 /24 MA-L 🇯🇵 Hamamatsu Photonics K.K. 00:90:06:00:00:00 /24 MA-L 🇯🇵 Hamamatsu Photonics K.K. 24:BF:74:00:00:00 /24 MA-L 🇯🇵 Hamamatsu Photonics K.K. 8C:1F:64:67:F0:00 /36 MA-S 🇯🇵 HAMAMATSU TOA ELECTRONICS 00:26:2F:00:00:00 /24 MA-L 🇯🇵 Hamee Corp. 34:37:94:00:00:00 /24 MA-L 🇯🇵 Hammock Corporation 00:50:C2:9E:80:00 /36 IAB 🇯🇵 haneron 00:50:C2:B3:50:00 /36 IAB 🇯🇵 HANSHIN YUSOKI Co,Ltd A4:59:D3:B0:00:00 /28 MA-M 🇯🇵 Hanwa Electronic Ind.Co.,Ltd. 70:B3:D5:01:00:00 /36 MA-S 🇯🇵 HARTEC Corporation 00:09:A4:00:00:00 /24 MA-L 🇯🇵 HARTING K.K. 10:49:63:00:00:00 /24 MA-L 🇯🇵 HAS co.,ltd. 70:B3:D5:2B:30:00 /36 MA-S 🇯🇵 HASEGAWA ELECTRIC CO.,LTD. 00:24:E2:00:00:00 /24 MA-L 🇯🇵 HASHIMOTO Electronics Industry Co.,Ltd. 00:0E:B9:00:00:00 /24 MA-L 🇯🇵 HASWARE INC. 00:19:0A:00:00:00 /24 MA-L 🇯🇵 head 00:1B:C5:07:C0:00 /36 MA-S 🇯🇵 head 00:50:C2:EA:40:00 /36 IAB 🇯🇵 Head 70:B3:D5:3E:30:00 /36 MA-S 🇯🇵 Heartland.Data Inc. 70:B3:D5:AC:80:00 /36 MA-S 🇯🇵 HEIWA CORPORATION 00:E0:15:00:00:00 /24 MA-L 🇯🇵 Helvetia INC. B0:1F:29:00:00:00 /24 MA-L 🇯🇵 HERMES ELECTRONICS CO., LTD. 00:90:19:00:00:00 /24 MA-L 🇯🇵 HERUTU ELECTRONICS CORPORATION 70:B3:D5:E3:20:00 /36 MA-S 🇯🇵 HERUTU ELECTRONICS CORPORATION 8C:1F:64:18:90:00 /36 MA-S 🇯🇵 HF System Corporation 00:13:0C:00:00:00 /24 MA-L 🇯🇵 HI-P Tech Corporation 00:14:DF:00:00:00 /24 MA-L 🇯🇵 HI-TECH SYSTEM Co. Ltd. 70:B3:D5:26:E0:00 /36 MA-S 🇯🇵 HighTechSystem Co.,Ltd. 70:B3:D5:F5:30:00 /36 MA-S 🇯🇵 HIJI HIGH-TECH CO., LTD. 00:16:CD:00:00:00 /24 MA-L 🇯🇵 Hijikata Denki Corp. 00:50:C2:D5:70:00 /36 IAB 🇯🇵 Hikari Alphax Inc. 8C:1F:64:16:60:00 /36 MA-S 🇯🇵 Hikari Co.,Ltd. 00:08:C4:00:00:00 /24 MA-L 🇯🇵 Hikari Trading Co.,Ltd. 54:CE:69:00:00:00 /24 MA-L 🇯🇵 HIMEJI ABC TRADING CO.,LTD. 00:0B:11:00:00:00 /24 MA-L 🇯🇵 HINO ENGINEERING, INC 84:39:BE:00:00:00 /28 MA-M 🇯🇵 HINO ENGINEERING, INC 00:50:C2:DF:60:00 /36 IAB 🇯🇵 Hinox, Co., Ltd. 00:06:21:00:00:00 /24 MA-L 🇯🇵 HIOKI E.E. CORPORATION 00:01:67:00:00:00 /24 MA-L 🇯🇵 HIOKI E.E. CORPORATION 00:C0:9C:00:00:00 /24 MA-L 🇯🇵 HIRAKAWA HEWTECH CORP. 00:C0:10:00:00:00 /24 MA-L 🇯🇵 Hirata corporation 00:0B:20:00:00:00 /24 MA-L 🇯🇵 Hiromokuten Co.,Ltd. EC:A7:B1:C0:00:00 /28 MA-M 🇯🇵 HIROSAWA ELECTRIC Co.,Ltd. 8C:1F:64:7D:80:00 /36 MA-S 🇯🇵 HIROSE ELECTRONIC SYSTEM 18:2A:44:00:00:00 /24 MA-L 🇯🇵 HIROTA SS 00:0A:BF:00:00:00 /24 MA-L 🇯🇵 Hirotech inc. 00:50:C2:9C:C0:00 /36 IAB 🇯🇵 Hirotech inc. 8C:1F:64:7A:40:00 /36 MA-S 🇯🇵 Hitachi Aloka Medical, Ltd. 00:01:85:00:00:00 /24 MA-L 🇯🇵 Hitachi Denshi, Ltd. 00:02:05:00:00:00 /24 MA-L 🇯🇵 HITACHI ENGINEERING CO., LTD 00:80:BC:00:00:00 /24 MA-L 🇯🇵 Hitachi Global Life Solutions, Inc. 18:CC:88:00:00:00 /24 MA-L 🇯🇵 Hitachi High-Tech Control Systems Corporation 00:21:BF:00:00:00 /24 MA-L 🇯🇵 Hitachi High-Tech Materials Corporation C0:9B:F4:20:00:00 /28 MA-M 🇯🇵 Hitachi High-Technologies Corporation DC:17:5A:00:00:00 /24 MA-L 🇯🇵 Hitachi IE Systems Co., Ltd 00:0C:09:00:00:00 /24 MA-L 🇯🇵 Hitachi Industry & Control Solutions, Ltd. 00:0E:66:00:00:00 /24 MA-L 🇯🇵 Hitachi Information & Communication Engineering, Ltd. 00:04:D5:00:00:00 /24 MA-L 🇯🇵 Hitachi Ltd, Semiconductor & Integrated Circuits Gr 00:08:F7:00:00:00 /24 MA-L 🇯🇵 HITACHI Maxell Ltd. 00:0A:56:00:00:00 /24 MA-L 🇯🇵 Hitachi Maxell, Ltd., Optronics Division 3C:B7:92:00:00:00 /24 MA-L 🇯🇵 Hitachi Metals, Ltd. 60:05:8A:00:00:00 /24 MA-L 🇯🇵 Hitachi Power Solutions Co., Ltd. 40:D8:55:15:70:00 /36 IAB 🇯🇵 Hitachi Printing Solutions, Ltd. 00:06:FB:00:00:00 /24 MA-L 🇯🇵 Hitachi Reftechno, Inc. FC:FE:77:00:00:00 /24 MA-L 🇯🇵 HITACHI SOFTWARE ENGINEERING 00:10:2D:00:00:00 /24 MA-L 🇯🇵 HITACHI ZOSEN CORPORATION 00:60:CB:00:00:00 /24 MA-L 🇯🇵 HITACHI, LTD. 00:00:87:00:00:00 /24 MA-L 🇯🇵 Hitachi, Ltd. 68:69:CA:00:00:00 /24 MA-L 🇯🇵 Hitachi, Ltd. F8:48:97:00:00:00 /24 MA-L 🇯🇵 Hitachi,Ltd. 00:1F:67:00:00:00 /24 MA-L 🇯🇵 HITACHI-LG DATA STORAGE INC EC:2E:4E:00:00:00 /24 MA-L 🇯🇵 Hitechlab Inc 00:1B:C5:07:F0:00 /36 MA-S 🇯🇵 HME Co.,ltd 8C:1F:64:78:00:00 /36 MA-S 🇯🇵 Hochiki Corporation 00:0A:A6:00:00:00 /24 MA-L 🇯🇵 HOKKAIDO ELECTRIC ENGINEERING CO.,LTD. 00:1D:B2:00:00:00 /24 MA-L 🇯🇵 Hokkaido Electronics Corporation 00:24:4D:00:00:00 /24 MA-L 🇯🇵 Hokkei Industries Co., Ltd. 00:18:06:00:00:00 /24 MA-L 🇯🇵 Hokubu Communication & Industrial Co., Ltd. 00:02:B0:00:00:00 /24 MA-L 🇯🇵 Hokuto Denshi Co,. Ltd. 00:0D:76:00:00:00 /24 MA-L 🇯🇵 Hokuyo Automatic Co., Ltd. 00:1D:9B:00:00:00 /24 MA-L 🇯🇵 Honda Electron Co., LED. 00:13:69:00:00:00 /24 MA-L 🇯🇵 Honda Motor Co., Ltd 54:83:BB:00:00:00 /24 MA-L 🇯🇵 HORI CO., LTD. 70:88:6B:40:00:00 /28 MA-M 🇯🇵 HORIBA, Ltd. 00:05:2B:00:00:00 /24 MA-L 🇯🇵 HORIZON COMPUTER 00:50:9F:00:00:00 /24 MA-L 🇯🇵 HORIZON.INC 00:50:C2:E6:00:00 /36 IAB 🇯🇵 HORIZON.INC 70:B3:D5:69:B0:00 /36 MA-S
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