Vendor directory
2,700 blocks registered in Japan.
Page 6 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
🇯🇵 e-w/you Inc.
00:0F:BE:00:00:00 /24
MA-L
🇯🇵 E3 Enterprise
58:49:25:00:00:00 /24
MA-L
🇯🇵 E3 Technology, Inc.
44:2A:FF:00:00:00 /24
MA-L
🇯🇵 Earth Works
70:B3:D5:61:C0:00 /36
MA-S
🇯🇵 Ease Inc.
00:50:C2:FD:80:00 /36
IAB
🇯🇵 EBRAINS Inc
00:20:0F:00:00:00 /24
MA-L
🇯🇵 ECHO ELETRIC CO. LTD.
00:10:47:00:00:00 /24
MA-L
🇯🇵 Ecolonum Inc.
70:B3:D5:30:E0:00 /36
MA-S
🇯🇵 EDEC CO., LTD.
00:60:14:00:00:00 /24
MA-L
🇯🇵 EDIC Systems Inc.
0C:CD:FB:00:00:00 /24
MA-L
🇯🇵 EDM Corporation
00:17:A8:00:00:00 /24
MA-L
🇯🇵 eflow Inc. / Smart Device Planning and Development Division
94:BF:1E:00:00:00 /24
MA-L
🇯🇵 Eiden Co.,Ltd.
70:B3:D5:16:70:00 /36
MA-S
🇯🇵 Eiden Co.,Ltd.
8C:1F:64:1C:E0:00 /36
MA-S
🇯🇵 Eiden Co.,Ltd.
8C:1F:64:3D:70:00 /36
MA-S
🇯🇵 Eiki Industrial Co. Ltd.
00:0B:2C:00:00:00 /24
MA-L
🇯🇵 Eintechno Corporation
2C:91:27:00:00:00 /24
MA-L
🇯🇵 eiraku electric corp.
00:1B:C5:04:D0:00 /36
MA-S
🇯🇵 Eishin Electronics
00:16:68:00:00:00 /24
MA-L
🇯🇵 EITO ELECTRONICS CO., LTD.
08:68:EA:00:00:00 /24
MA-L
🇯🇵 EIWA GIKEN INC.
70:B3:D5:BA:40:00 /36
MA-S
🇯🇵 EIZO Corporation
00:90:93:00:00:00 /24
MA-L
🇯🇵 elab-experience inc.
00:17:AA:00:00:00 /24
MA-L
🇯🇵 ELECOM CO., LTD
48:04:9F:00:00:00 /24
MA-L
🇯🇵 ELECOM CO., LTD. (LANEED DIV.)
00:90:FE:00:00:00 /24
MA-L
🇯🇵 ELECOM CO.,LTD
48:F7:3C:00:00:00 /24
MA-L
🇯🇵 ELECOM Co.,LTD Laneed Division
00:0F:95:00:00:00 /24
MA-L
🇯🇵 ELECOM CO.,LTD.
04:AB:18:00:00:00 /24
MA-L
🇯🇵 ELECOM CO.,LTD.
38:97:A4:00:00:00 /24
MA-L
🇯🇵 ELECOM CO.,LTD.
BC:5C:4C:00:00:00 /24
MA-L
🇯🇵 Elecs Industry Co., Ltd.
00:08:9C:00:00:00 /24
MA-L
🇯🇵 Electronics Design Services, Co., Ltd.
00:13:9F:00:00:00 /24
MA-L
🇯🇵 Eletex Co., Ltd.
00:07:F4:00:00:00 /24
MA-L
🇯🇵 ELIIY Power CO., Ltd.
2C:35:57:00:00:00 /24
MA-L
🇯🇵 ELM DATA Co., Ltd.
00:19:90:00:00:00 /24
MA-L
🇯🇵 ELM Inc.
00:0B:ED:00:00:00 /24
MA-L
🇯🇵 ELMEX Co., LTD.
00:01:60:00:00:00 /24
MA-L
🇯🇵 ELMIC SYSTEMS, INC.
00:60:D8:00:00:00 /24
MA-L
🇯🇵 ELMO COMPANY, LIMITED
00:09:9A:00:00:00 /24
MA-L
🇯🇵 ELSA Japan Inc.
3C:39:E7:30:00:00 /28
MA-M
🇯🇵 Embedded Arts Co., Ltd.
70:B3:D5:0C:60:00 /36
MA-S
🇯🇵 Embedded System Corporation
00:07:71:00:00:00 /24
MA-L
🇯🇵 Embedded Technology Corporation
40:D8:55:1E:00:00 /36
IAB
🇯🇵 Empacket Corporation
00:1C:90:00:00:00 /24
MA-L
🇯🇵 ENABLER LTD.
70:B3:D5:15:A0:00 /36
MA-S
🇯🇵 ENEGATE Co.,Ltd.
00:03:FB:00:00:00 /24
MA-L
🇯🇵 ENERES Co.,Ltd.
B8:BB:6D:00:00:00 /24
MA-L
🇯🇵 Enestone Corporation
8C:1F:64:2F:D0:00 /36
MA-S
🇯🇵 Eno Inc.
D8:62:DB:00:00:00 /24
MA-L
🇯🇵 Entis Co., Ltd.
14:54:12:00:00:00 /24
MA-L
🇯🇵 Equos Research Co., Ltd
70:B3:D5:34:D0:00 /36
MA-S
🇯🇵 ERMINE Corporation
70:B3:D5:D7:30:00 /36
MA-S
🇯🇵 eSOL Co.,Ltd.
70:B3:D5:45:E0:00 /36
MA-S
🇯🇵 ESP-Planning Co.
00:50:C2:84:60:00 /36
IAB
🇯🇵 Espec Corp.
38:BF:2F:00:00:00 /24
MA-L
🇯🇵 ESTEC Co.,Ltd.
00:50:C2:6B:E0:00 /36
IAB
🇯🇵 ESTIC Corporation
00:19:84:00:00:00 /24
MA-L
🇯🇵 Etani Electronics Co.,Ltd.
00:50:C2:6D:40:00 /36
IAB
🇯🇵 Euphonic Technologies, Inc.
00:26:79:00:00:00 /24
MA-L
🇯🇵 EVIDENT CORPORATION
30:B2:9F:00:00:00 /24
MA-L
🇯🇵 Exfrontier Co., Ltd.
70:B3:D5:E7:40:00 /36
MA-S
🇯🇵 Expert Magnetics Corp.
00:30:ED:00:00:00 /24
MA-L
🇯🇵 Explorer Inc.
00:50:C2:A6:B0:00 /36
IAB
🇯🇵 Explorer Inc.
70:B3:D5:E8:50:00 /36
MA-S
🇯🇵 EXSCEED CORPRATION
00:80:FD:00:00:00 /24
MA-L
🇯🇵 EyeCross Co.,Inc.
00:0B:DA:00:00:00 /24
MA-L
🇯🇵 F-domain corporation
70:B3:D5:8C:20:00 /36
MA-S
🇯🇵 FACIT K.K.
00:10:CB:00:00:00 /24
MA-L
🇯🇵 FACTORY FIVE Corporation
BC:26:A1:00:00:00 /24
MA-L
🇯🇵 Faculty of Science and Technology, Keio University
00:0C:21:00:00:00 /24
MA-L
🇯🇵 Fairy Devices Inc.
94:C9:B7:00:00:00 /28
MA-M
🇯🇵 FairyDevices Inc.
00:50:C2:F4:10:00 /36
IAB
🇯🇵 FAL Corp
00:50:C2:EC:B0:00 /36
IAB
🇯🇵 Farmage Co., Ltd.
44:23:AA:00:00:00 /24
MA-L
🇯🇵 Fast Co., Ltd.
58:DB:8D:00:00:00 /24
MA-L
🇯🇵 FCL COMPONENTS LIMITED
BC:31:98:A0:00:00 /28
MA-M
🇯🇵 FCNT LLC
18:18:8B:00:00:00 /24
MA-L
🇯🇵 FCNT LLC
B8:D0:F0:00:00:00 /24
MA-L
🇯🇵 FCNT LLC
E4:D3:AA:00:00:00 /24
MA-L
🇯🇵 FDK Co., Ltd
00:50:AE:00:00:00 /24
MA-L
🇯🇵 FEITIAN CO.,LTD.
70:B3:D5:E2:60:00 /36
MA-S
🇯🇵 FG-Lab Inc.
08:F8:0D:40:00:00 /28
MA-M
🇯🇵 Fibergate Inc.
98:2D:BA:00:00:00 /24
MA-L
🇯🇵 Fibergate Inc.
38:F7:CD:B0:00:00 /28
MA-M
🇯🇵 Fibergate.Inc
C8:8E:D1:50:00:00 /28
MA-M
🇯🇵 Field Design Inc.
70:B3:D5:8D:10:00 /36
MA-S
🇯🇵 Field Design Service
00:50:C2:7A:10:00 /36
IAB
🇯🇵 final Inc.
3C:23:19:00:00:00 /24
MA-L
🇯🇵 final Inc.
90:15:64:60:00:00 /28
MA-M
🇯🇵 Finesystem Co., Ltd
00:50:C2:35:10:00 /36
IAB
🇯🇵 First Design System Inc.
98:6E:E8:E0:00:00 /28
MA-M
🇯🇵 First Design System Inc.
40:D8:55:0A:70:00 /36
IAB
🇯🇵 First Design System Inc.
8C:1F:64:A7:20:00 /36
MA-S
🇯🇵 FIRSTTRUST Co.,Ltd.
00:50:C2:6E:00:00 /36
IAB
🇯🇵 FIT
8C:1F:64:6C:60:00 /36
MA-S
🇯🇵 Fixstars Corporation
70:F8:E7:C0:00:00 /28
MA-M
🇯🇵 FOR-A CO., LTD.
00:10:B1:00:00:00 /24
MA-L
🇯🇵 FORKS, INC.
00:40:3C:00:00:00 /24
MA-L
🇯🇵 Forties Inc.
2C:27:9E:B0:00:00 /28
MA-M
🇯🇵 FORVAL CREATIVE, INC.
00:C0:BB:00:00:00 /24
MA-L