Vendor directory
17,370 blocks registered in United States.
Page 72 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
🇺🇸 ELASTIC REALITY, INC.
00:C0:FC:00:00:00 /24
MA-L
🇺🇸 Elastics.cloud
70:50:E7:90:00:00 /28
MA-M
🇺🇸 Elbit Systems of America
00:50:C2:76:10:00 /36
IAB
🇺🇸 Elbit Systems of America
00:50:C2:CF:90:00 /36
IAB
🇺🇸 Elbit Systems of America
00:50:C2:FB:A0:00 /36
IAB
🇺🇸 Elbit Systems of America
70:B3:D5:82:60:00 /36
MA-S
🇺🇸 Elbit Systems of America
70:B3:D5:B7:E0:00 /36
MA-S
🇺🇸 Elbit Systems of America
70:B3:D5:C2:40:00 /36
MA-S
🇺🇸 Elbit Systems of America
8C:1F:64:6E:D0:00 /36
MA-S
🇺🇸 Elbit Systems of America - Tallahassee Operations
00:50:C2:A1:40:00 /36
IAB
🇺🇸 Elbit Systems of America, LLC
8C:1F:64:2A:90:00 /36
MA-S
🇺🇸 ELCOM Innovations Private Limited
E8:FC:60:00:00:00 /24
MA-L
🇺🇸 Elecsys International Corporation
18:36:FC:00:00:00 /24
MA-L
🇺🇸 electric imp, incorporated
0C:2A:69:00:00:00 /24
MA-L
🇺🇸 Electric Objects
F8:02:78:50:00:00 /28
MA-M
🇺🇸 Electrical Geodesics Incorporated
40:D8:55:02:40:00 /36
IAB
🇺🇸 Electro Industries/Gauge Tech
00:01:58:00:00:00 /24
MA-L
🇺🇸 Electro-Matic Products, Inc.
00:50:C2:44:D0:00 /36
IAB
🇺🇸 Electro-Metrics Corporation
00:35:32:00:00:00 /24
MA-L
🇺🇸 Electro-Motive Diesel
D0:76:50:C0:00:00 /28
MA-M
🇺🇸 Electro-Motive Diesel
00:50:C2:F2:30:00 /36
IAB
🇺🇸 Electro-Optical Imaging, Inc.
00:1F:2D:00:00:00 /24
MA-L
🇺🇸 Electro-Voice Dynacord LLC
00:0B:7C:00:00:00 /24
MA-L
🇺🇸 electroCore Inc.
64:33:B5:B0:00:00 /28
MA-M
🇺🇸 Electrodata Inc.
00:50:C2:9A:B0:00 /36
IAB
🇺🇸 Electroimpact, Inc.
70:B3:D5:D9:D0:00 /36
MA-S
🇺🇸 Electronic Applications, Inc.
00:50:C2:DD:20:00 /36
IAB
🇺🇸 Electronic Computer Systems, Inc.
00:1B:8D:00:00:00 /24
MA-L
🇺🇸 Electronic Controlled Systems, Inc.
8C:1C:DA:E0:00:00 /28
MA-M
🇺🇸 Electronic Controlled Systems, Inc.
E8:78:29:30:00:00 /28
MA-M
🇺🇸 Electronic Controls Design, Inc.
C8:8E:D1:80:00:00 /28
MA-M
🇺🇸 Electronic Design and Manufacturing Company
00:21:8A:00:00:00 /24
MA-L
🇺🇸 Electronic Design Associates, Inc.
00:05:B8:00:00:00 /24
MA-L
🇺🇸 Electronic Educational Devices, Inc
00:1E:23:00:00:00 /24
MA-L
🇺🇸 ELECTRONIC INDUSTRIES ASSOCIATION
00:50:68:00:00:00 /24
MA-L
🇺🇸 ELECTRONIC RETAILING SYSTEMS INTERNATIONAL
00:A0:E9:00:00:00 /24
MA-L
🇺🇸 Electronic Systems Protection, Inc.
AC:A6:67:00:00:00 /24
MA-L
🇺🇸 Electronic Systems Protection, Inc.
00:50:C2:B6:80:00 /36
IAB
🇺🇸 Electronic Technology Inc.
F8:FF:0B:00:00:00 /24
MA-L
🇺🇸 ELECTRONIC THEATRE CONTROLS
00:C0:16:00:00:00 /24
MA-L
🇺🇸 ELECTRONICS FOR IMAGING, INC.
00:C0:85:00:00:00 /24
MA-L
🇺🇸 Eleksen Ltd
00:16:C1:00:00:00 /24
MA-L
🇺🇸 ELEKTRON TECHNOLOGY UK LIMITED
80:B2:19:00:00:00 /24
MA-L
🇺🇸 Element Labs, Inc.
00:1C:3A:00:00:00 /24
MA-L
🇺🇸 elements
70:B3:D5:62:D0:00 /36
MA-S
🇺🇸 Eleven Inc.
8A:DA:26:00:00:00 /24
CID
🇺🇸 Elgama Sistemos
40:D8:55:02:D0:00 /36
IAB
🇺🇸 Elgar Electronics Corp.
00:06:D0:00:00:00 /24
MA-L
🇺🇸 Elide Interfaces Inc
74:33:36:40:00:00 /28
MA-M
🇺🇸 Elisity, Inc.
A0:24:90:80:00:00 /28
MA-M
🇺🇸 Elitegroup Computer Systems Co.,Ltd.
74:27:EA:00:00:00 /24
MA-L
🇺🇸 Eliyan Corp.
34:49:51:00:00:00 /24
MA-L
🇺🇸 Elk Products
CC:D3:1E:B0:00:00 /28
MA-M
🇺🇸 Elk Products
00:50:C2:68:80:00 /36
IAB
🇺🇸 Elk Solutions, LLC
70:B3:D5:1A:70:00 /36
MA-S
🇺🇸 ELL-IoT Inc
58:EA:FC:00:00:00 /24
MA-L
🇺🇸 Elma Electronic
94:F2:78:00:00:00 /24
MA-L
🇺🇸 Elmec Inc.
00:50:C2:71:C0:00 /36
IAB
🇺🇸 Elmec, Inc.
00:50:C2:7B:30:00 /36
IAB
🇺🇸 Elmec, Inc.
00:50:C2:82:D0:00 /36
IAB
🇺🇸 ELNO
78:CA:5E:00:00:00 /24
MA-L
🇺🇸 Elo touch solutions
1C:EE:C9:00:00:00 /24
MA-L
🇺🇸 Elo touch solutions
78:B3:CE:00:00:00 /24
MA-L
🇺🇸 Elphel, Inc
00:0E:64:00:00:00 /24
MA-L
🇺🇸 ELSAG
70:B3:D5:1C:50:00 /36
MA-S
🇺🇸 ELSAG BAILEY PROCESS
00:C0:C9:00:00:00 /24
MA-L
🇺🇸 Elster Solutions, LLC
00:23:9B:00:00:00 /24
MA-L
🇺🇸 Elster Solutions, LLC,
00:1A:63:00:00:00 /24
MA-L
🇺🇸 ELXSI
08:00:85:00:00:00 /24
MA-L
🇺🇸 EMAC, Inc.
28:BC:56:00:00:00 /24
MA-L
🇺🇸 EMAC, Inc.
00:50:C2:0E:00:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:97:40:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:B8:70:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:C9:20:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:D6:20:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:D7:10:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:E6:60:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:F6:20:00 /36
IAB
🇺🇸 EMAC, Inc.
00:50:C2:F8:A0:00 /36
IAB
🇺🇸 EMAC, Inc.
40:D8:55:09:D0:00 /36
IAB
🇺🇸 EMAC, Inc.
40:D8:55:13:10:00 /36
IAB
🇺🇸 EMAC, Inc.
40:D8:55:18:30:00 /36
IAB
🇺🇸 EMAC, Inc.
40:D8:55:19:D0:00 /36
IAB
🇺🇸 EMAC, Inc.
70:B3:D5:65:40:00 /36
MA-S
🇺🇸 EMAC, Inc.
70:B3:D5:67:90:00 /36
MA-S
🇺🇸 EMAC, Inc.
70:B3:D5:72:90:00 /36
MA-S
🇺🇸 EMAC, Inc.
70:B3:D5:8A:B0:00 /36
MA-S
🇺🇸 Embed, Inc
80:D0:19:00:00:00 /24
MA-L
🇺🇸 Embedded Data Systems, LLC
00:50:C2:91:B0:00 /36
IAB
🇺🇸 EMBEDDED PERFORMANCE INC.
00:80:CF:00:00:00 /24
MA-L
🇺🇸 Embedded Planet
00:10:EC:00:00:00 /24
MA-L
🇺🇸 Embedded Systems Design
00:50:C2:2B:30:00 /36
IAB
🇺🇸 Embedded Systems Design, Inc.
00:19:F8:00:00:00 /24
MA-L
🇺🇸 EMBEDDED TOOLSMITHS
00:50:C2:2C:C0:00 /36
IAB
🇺🇸 Ember Corporation
00:0D:6F:00:00:00 /24
MA-L
🇺🇸 Embrane
C8:BB:D3:00:00:00 /24
MA-L
🇺🇸 Embrava USA, Inc
F4:2F:97:00:00:00 /24
MA-L
🇺🇸 EMC Corporation
00:21:88:00:00:00 /24
MA-L
🇺🇸 EMCO Flow Systems
00:1D:90:00:00:00 /24
MA-L
🇺🇸 EMCOM CORPORATION
00:C0:44:00:00:00 /24
MA-L