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