Vendor directory
17,370 blocks registered in United States.
Page 69 of 174
Every MA-L, MA-M, MA-S, IAB, and CID block IEEE has ever assigned to a named organization, browsable or searchable.
Unique organizations8,982
Total blocks17,370
MA-L count13,538
MA-M count976
MA-S count1,468
IAB count1,289
CID count99
Total address capacity229,825,597,440
Last changed hereAug 26, 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 United States
| Organization | Blocks |
|---|---|
| Apple, Inc. | 1,553 |
| Cisco Systems, Inc | 1,247 |
| IEEE Registration Authority | 436 |
| Texas Instruments | 392 |
| Commscope | 345 |
| Juniper Networks | 209 |
| Amazon Technologies Inc. | 204 |
| Dell Inc. | 184 |
| Hewlett Packard Enterprise | 176 |
| Silicon Laboratories | 154 |
Organization
Prefix
Type
🇺🇸 DTech Labs Inc
00:50:C2:70:70:00 /36
IAB
🇺🇸 DTECH Labs, Inc.
7C:CB:E2:50:00:00 /28
MA-M
🇺🇸 DTECH Labs, Inc.
70:B3:D5:CF:F0:00 /36
MA-S
🇺🇸 DTEN Inc.
50:DE:19:E0:00:00 /28
MA-M
🇺🇸 DTEN Inc.
68:DA:73:10:00:00 /28
MA-M
🇺🇸 Dtrovision
CC:4F:5C:90:00:00 /28
MA-M
🇺🇸 DTS, Inc.
00:50:C2:1B:60:00 /36
IAB
🇺🇸 DTV Innovations
00:50:C2:A6:D0:00 /36
IAB
🇺🇸 Dualcomm Technology, Inc.
8C:1F:64:01:F0:00 /36
MA-S
🇺🇸 Ducommun Inc.
70:B3:D5:58:30:00 /36
MA-S
🇺🇸 Ducommun LaBarge Technologies, Inc
00:50:C2:43:C0:00 /36
IAB
🇺🇸 DUKANE NETWORK INTEGRATION
00:80:AB:00:00:00 /24
MA-L
🇺🇸 Duke Manufacturing
74:75:63:00:00:00 /24
MA-L
🇺🇸 Duke University
24:C3:5D:00:00:00 /24
MA-L
🇺🇸 Dukelana LLC
44:65:8A:00:00:00 /24
MA-L
🇺🇸 Dunti Corporation
00:50:C2:07:F0:00 /36
IAB
🇺🇸 Dura Micro, Inc.
00:06:3A:00:00:00 /24
MA-L
🇺🇸 Duracell Powermat
F0:5D:C8:00:00:00 /24
MA-L
🇺🇸 DuraComm Corporation
70:B3:D5:6B:30:00 /36
MA-S
🇺🇸 Durin, Inc
90:C9:52:00:00:00 /24
MA-L
🇺🇸 Duskrise inc.
10:AE:A5:00:00:00 /24
MA-L
🇺🇸 Dust Networks Inc.
00:17:0D:00:00:00 /24
MA-L
🇺🇸 Dutile, Glines and Higgins Corporation
70:B3:D5:FF:80:00 /36
MA-S
🇺🇸 DVC Company, Inc.
00:05:53:00:00:00 /24
MA-L
🇺🇸 DVT CORP.
00:90:68:00:00:00 /24
MA-L
🇺🇸 DWB ASSOCIATES
00:80:73:00:00:00 /24
MA-L
🇺🇸 Dynalab, Inc.
00:13:7D:00:00:00 /24
MA-L
🇺🇸 Dynalco
00:50:C2:58:70:00 /36
IAB
🇺🇸 Dynalec Corporation
50:AD:D5:00:00:00 /24
MA-L
🇺🇸 Dynamic Design
00:50:C2:F7:F0:00 /36
IAB
🇺🇸 Dynamic Engineering
40:48:FD:40:00:00 /28
MA-M
🇺🇸 DYNAMIC NETWORK FACTORY, INC.
00:17:4D:00:00:00 /24
MA-L
🇺🇸 Dynamic Research, Inc.
8C:1F:64:0A:40:00 /36
MA-S
🇺🇸 DynaMount LLC
70:B3:D5:B5:B0:00 /36
MA-S
🇺🇸 Dynapower Company LLC
14:3A:EA:00:00:00 /24
MA-L
🇺🇸 DYNARC, INC.
00:90:DA:00:00:00 /24
MA-L
🇺🇸 Dynasthetics
00:1B:C5:07:40:00 /36
MA-S
🇺🇸 DYNATECH COMPUTER SYSTEMS
00:80:08:00:00:00 /24
MA-L
🇺🇸 DYNATEM
00:C0:37:00:00:00 /24
MA-L
🇺🇸 Dynetics, Inc.
70:B3:D5:B9:10:00 /36
MA-S
🇺🇸 Dynics
10:06:48:20:00:00 /28
MA-M
🇺🇸 Dynics
70:B3:D5:B5:E0:00 /36
MA-S
🇺🇸 Dynojet Research
1C:21:D1:90:00:00 /28
MA-M
🇺🇸 Dynomotion, Inc
8C:1F:64:15:E0:00 /36
MA-S
🇺🇸 Dynon Instruments
00:50:C2:A0:70:00 /36
IAB
🇺🇸 Dynon Instruments
00:50:C2:F8:40:00 /36
IAB
🇺🇸 E Ink Corp
CC:22:37:90:00:00 /28
MA-M
🇺🇸 E S P Technologies Ltd
00:50:C2:75:70:00 /36
IAB
🇺🇸 E-Band Communications Corp.
7C:43:8F:00:00:00 /24
MA-L
🇺🇸 E-Control Systems, Inc.
00:01:9D:00:00:00 /24
MA-L
🇺🇸 E-Fuel Corporation
B0:97:3A:00:00:00 /24
MA-L
🇺🇸 E-M TECHNOLOGY, INC.
00:40:E4:00:00:00 /24
MA-L
🇺🇸 e-Matix Corporation
70:B3:D5:89:D0:00 /36
MA-S
🇺🇸 E-MetroTel
D4:25:CC:A0:00:00 /28
MA-M
🇺🇸 E-MetroTel
70:B3:D5:FF:00:00 /36
MA-S
🇺🇸 E-Mon
00:23:A6:00:00:00 /24
MA-L
🇺🇸 e-Net, Inc.
00:E0:5F:00:00:00 /24
MA-L
🇺🇸 E-SYSTEMS, INC./GARLAND DIV.
00:40:62:00:00:00 /24
MA-L
🇺🇸 e-Tek Labs, Inc.
00:50:0C:00:00:00 /24
MA-L
🇺🇸 E-ViEWS SAFETY SYSTEMS, INC
00:50:C2:9E:20:00 /36
IAB
🇺🇸 e-Watch Inc.
00:07:A0:00:00:00 /24
MA-L
🇺🇸 E.F. Johnson
00:08:B8:00:00:00 /24
MA-L
🇺🇸 E.J Ward
7C:50:DA:00:00:00 /24
MA-L
🇺🇸 E3Switch LLC
00:50:C2:6F:30:00 /36
IAB
🇺🇸 Eagle Acoustics Manufacturing, LLC
B0:FD:0B:90:00:00 /28
MA-M
🇺🇸 Eagle Eye Networks, Inc
64:33:B5:40:00:00 /28
MA-M
🇺🇸 Eagle Harbor Technologies, Inc.
8C:1F:64:5F:70:00 /36
MA-S
🇺🇸 Eagle Mountain Technology
70:B3:D5:55:90:00 /36
MA-S
🇺🇸 Eagle Research Corporation
54:81:AD:00:00:00 /24
MA-L
🇺🇸 EAGLE TECHNOLOGY
00:20:C5:00:00:00 /24
MA-L
🇺🇸 EAGLE TECHNOLOGY, INC.
00:80:29:00:00:00 /24
MA-L
🇺🇸 EAGLE TECHNOLOGY, INC.
00:A0:B9:00:00:00 /24
MA-L
🇺🇸 Eagle Traffic Control Systems
00:05:97:00:00:00 /24
MA-L
🇺🇸 Ear Micro LLC
8C:1F:64:58:C0:00 /36
MA-S
🇺🇸 Earable Inc.
E0:3C:1C:40:00:00 /28
MA-M
🇺🇸 Earphone Connection, Ubc.
CC:1B:E0:50:00:00 /28
MA-M
🇺🇸 EarthCam, Inc.
C0:A3:9E:00:00:00 /24
MA-L
🇺🇸 East Coast Datacom, Inc.
00:1E:1D:00:00:00 /24
MA-L
🇺🇸 Eastern Acoustic Works
C4:FF:84:50:00:00 /28
MA-M
🇺🇸 Eastman Kodak Company
00:07:5C:00:00:00 /24
MA-L
🇺🇸 Eaton Bussmann
6C:47:80:30:00:00 /28
MA-M
🇺🇸 Eaton Corp. Electrical Group Data Center Solutions - Pulizzi
00:22:D5:00:00:00 /24
MA-L
🇺🇸 Eaton Corp. Electrical Group Data Center Solutions - Pulizzi
00:50:C2:5A:B0:00 /36
IAB
🇺🇸 Eaton Corporation
00:0C:C1:00:00:00 /24
MA-L
🇺🇸 Eaton Corporation
00:13:45:00:00:00 /24
MA-L
🇺🇸 Eaton Corporation
00:16:45:00:00:00 /24
MA-L
🇺🇸 Eaton Corporation
00:20:85:00:00:00 /24
MA-L
🇺🇸 Eaton Corporation
08:63:32:00:00:00 /28
MA-M
🇺🇸 Ebay Inc
74:DB:D1:00:00:00 /24
MA-L
🇺🇸 EBI Patient Care, Inc.
B0:CC:CE:70:00:00 /28
MA-M
🇺🇸 EBN Technology Corp.
54:03:F5:00:00:00 /24
MA-L
🇺🇸 Ebtron Inc.
00:0C:A9:00:00:00 /24
MA-L
🇺🇸 ECCI
00:C0:40:00:00:00 /24
MA-L
🇺🇸 ECCS, Inc.
00:90:42:00:00:00 /24
MA-L
🇺🇸 Ecessa
00:A0:CE:00:00:00 /24
MA-L
🇺🇸 ECHELON CORP.
00:D0:71:00:00:00 /24
MA-L
🇺🇸 Echo Digital Audio Corporation
00:14:86:00:00:00 /24
MA-L
🇺🇸 Echo Ridge, LLC
70:B3:D5:1A:A0:00 /36
MA-S
🇺🇸 Echo360, Inc.
00:1C:08:00:00:00 /24
MA-L
🇺🇸 Echodyne Corp
34:4C:C8:00:00:00 /24
MA-L