Vendor directory

17,378 blocks registered in United States.

Page 158 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 organizations8,985
Total blocks17,378
MA-L count13,544
MA-M count977
MA-S count1,469
IAB count1,289
CID count99
Total address capacity229,927,313,408
Last changed hereSep 2, 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 Prefix Type
🇺🇸 THAT CORPORATION 00:E0:F1:00:00:00 /24 MA-L 🇺🇸 THE 3DO COMPANY 00:20:9A:00:00:00 /24 MA-L 🇺🇸 The Advantage Group 00:0A:7E:00:00:00 /24 MA-L 🇺🇸 The Bionetics Corporation 8C:1F:64:21:E0:00 /36 MA-S 🇺🇸 The Board Room Inc. 00:50:C2:3E:D0:00 /36 IAB 🇺🇸 The Boeing Company 00:06:F8:00:00:00 /24 MA-L 🇺🇸 The Boeing Company 34:61:78:00:00:00 /24 MA-L 🇺🇸 THE BRANTLEY COILE COMPANY,INC 00:10:04:00:00:00 /24 MA-L 🇺🇸 The Chamberlain Group, Inc 0C:95:05:00:00:00 /24 MA-L 🇺🇸 The Chamberlain Group, Inc 44:11:46:00:00:00 /24 MA-L 🇺🇸 The Chamberlain Group, Inc 64:52:99:00:00:00 /24 MA-L 🇺🇸 The Chamberlain Group, Inc AC:2B:A2:00:00:00 /24 MA-L 🇺🇸 The Chamberlain Group, Inc CC:6A:10:00:00:00 /24 MA-L 🇺🇸 The Coca Cola Company FC:D4:F2:00:00:00 /24 MA-L 🇺🇸 The Dini Group, La Jolla inc. 00:50:C2:70:40:00 /36 IAB 🇺🇸 The Dini Group, La Jolla inc. 70:B3:D5:67:80:00 /36 MA-S 🇺🇸 The Dini Group, La Jolla inc. 70:B3:D5:83:E0:00 /36 MA-S 🇺🇸 THE DROID WORKS 08:00:79:00:00:00 /24 MA-L 🇺🇸 The Electric Controller and Manufacturing Co., LLC 28:FC:51:00:00:00 /24 MA-L 🇺🇸 The Engineerix Group 90:A9:F7:E0:00:00 /28 MA-M 🇺🇸 The Engineerix Group 70:B3:D5:C7:10:00 /36 MA-S 🇺🇸 The Exploration Company 8C:1F:64:3E:D0:00 /36 MA-S 🇺🇸 The Fire Horn, Inc. 70:B3:D5:3F:80:00 /36 MA-S 🇺🇸 THE GOODYEAR TIRE & RUBBER CO. 00:40:8D:00:00:00 /24 MA-L 🇺🇸 THE GOODYEAR TIRE & RUBBER COMPANY 7C:E1:52:00:00:00 /24 MA-L 🇺🇸 The Heil Co dba AWTI 3rd Eye Cam 30:3D:51:80:00:00 /28 MA-M 🇺🇸 The IMS Company EC:FA:AA:00:00:00 /24 MA-L 🇺🇸 The Kroger Co. 00:25:D6:00:00:00 /24 MA-L 🇺🇸 The Linksys Group, Inc. 00:04:5A:00:00:00 /24 MA-L 🇺🇸 The Linksys Group, Inc. 00:06:25:00:00:00 /24 MA-L 🇺🇸 The Logical Company 00:50:C2:CA:20:00 /36 IAB 🇺🇸 THE LYNK CORPORATION 00:C0:86:00:00:00 /24 MA-L 🇺🇸 The Morey Corporation 00:18:DF:00:00:00 /24 MA-L 🇺🇸 The Morey Corporation 70:B3:D5:D4:D0:00 /36 MA-S 🇺🇸 The Navvo Group 00:1A:2D:00:00:00 /24 MA-L 🇺🇸 The Nielsen Company 00:07:22:00:00:00 /24 MA-L 🇺🇸 THE NTI GROUP 00:00:BE:00:00:00 /24 MA-L 🇺🇸 THE PANDA PROJECT 00:A0:0D:00:00:00 /24 MA-L 🇺🇸 The Parvus Corporation 00:10:4A:00:00:00 /24 MA-L 🇺🇸 The Pennsylvania State University 00:50:C2:8B:E0:00 /36 IAB 🇺🇸 The Raymond Corporation 0C:5C:B5:50:00:00 /28 MA-M 🇺🇸 The Sapling Company 60:36:96:00:00:00 /24 MA-L 🇺🇸 The Scotts Company 50:FA:CB:C0:00:00 /28 MA-M 🇺🇸 The Security Center Inc 00:50:C2:FD:B0:00 /36 IAB 🇺🇸 The Toro Company 00:24:09:00:00:00 /24 MA-L 🇺🇸 The Trane Company 00:50:C2:0C:80:00 /36 IAB 🇺🇸 The VON Corporation 00:50:C2:A5:20:00 /36 IAB 🇺🇸 The Weather Channel 00:25:8E:00:00:00 /24 MA-L 🇺🇸 The Will-Burt Company 78:49:1D:00:00:00 /24 MA-L 🇺🇸 Theissen Training Systems, Inc. 3C:47:9B:00:00:00 /24 MA-L 🇺🇸 Theobroma Systems GmbH 98:02:84:00:00:00 /24 MA-L 🇺🇸 Thermaco Incorporated 8C:1F:64:F2:00:00 /36 MA-S 🇺🇸 Thermal Imaging Radar, LLC 40:D8:55:0A:A0:00 /36 IAB 🇺🇸 Thermalogic Corporation 00:02:66:00:00:00 /24 MA-L 🇺🇸 Thermo Electron 00:50:C2:4D:F0:00 /36 IAB 🇺🇸 Thermo Fisher Sceintific 40:D8:55:16:00:00 /36 IAB 🇺🇸 Thermo Fisher Scientific 00:1E:76:00:00:00 /24 MA-L 🇺🇸 Thermo Fisher Scientific 00:50:C2:CA:70:00 /36 IAB 🇺🇸 Thermo Fisher Scientific 40:D8:55:04:90:00 /36 IAB 🇺🇸 Thermo Fisher Scientific 70:B3:D5:D6:90:00 /36 MA-S 🇺🇸 Thermo Fisher Scientific 70:B3:D5:F7:60:00 /36 MA-S 🇺🇸 Thermo Fisher Scientific (Asheville) LLC 8C:1F:64:B2:50:00 /36 MA-S 🇺🇸 Thermo Fisher Scientific P.O.A. 60:89:3C:00:00:00 /24 MA-L 🇺🇸 Thermo Process Instruments, LP 30:0A:60:C0:00:00 /28 MA-M 🇺🇸 ThermoQuest 00:01:7D:00:00:00 /24 MA-L 🇺🇸 THETA432 70:B3:D5:E1:F0:00 /36 MA-S 🇺🇸 Thiel Audio Products Company, LLC 70:B3:D5:EB:90:00 /36 MA-S 🇺🇸 Thinci, Inc. C8:63:14:80:00:00 /28 MA-M 🇺🇸 ThinGlobal LLC BC:2D:98:00:00:00 /24 MA-L 🇺🇸 ThingMagic, LLC 00:12:A4:00:00:00 /24 MA-L 🇺🇸 Things Of A Feather LLC 38:05:25:70:00:00 /28 MA-M 🇺🇸 ThingsMatrix Inc. 50:43:48:00:00:00 /24 MA-L 🇺🇸 ThinkEco, Inc. 80:4F:58:00:00:00 /24 MA-L 🇺🇸 Thinkengine Networks 00:07:F3:00:00:00 /24 MA-L 🇺🇸 ThinkFlood, Inc. 00:23:87:00:00:00 /24 MA-L 🇺🇸 ThinKom Solutions, Inc 00:1B:C5:05:60:00 /36 MA-S 🇺🇸 Thinnect, Inc, 70:B3:D5:E3:90:00 /36 MA-S 🇺🇸 Third Reality, Inc B4:0E:06:00:00:00 /24 MA-L 🇺🇸 Thirdwayv Inc. 40:D8:55:19:E0:00 /36 IAB 🇺🇸 Thomas & Betts 60:FE:F9:00:00:00 /24 MA-L 🇺🇸 Thomas & Betts 00:50:C2:CE:80:00 /36 IAB 🇺🇸 Thomas & Darden, Inc 88:A9:A7:40:00:00 /28 MA-M 🇺🇸 Thomas Instrumentation, Inc 00:1C:1A:00:00:00 /24 MA-L 🇺🇸 THOMAS-CONRAD CORPORATION 00:80:13:00:00:00 /24 MA-L 🇺🇸 Thompson Aerospace 44:54:C0:00:00:00 /24 MA-L 🇺🇸 Thomson Inc. 00:10:95:00:00:00 /24 MA-L 🇺🇸 Thomson Inc. 00:18:9B:00:00:00 /24 MA-L 🇺🇸 Thomson Inc. 00:19:DF:00:00:00 /24 MA-L 🇺🇸 Thomson Inc. 00:1E:69:00:00:00 /24 MA-L 🇺🇸 Thomson Inc. 00:24:D1:00:00:00 /24 MA-L 🇺🇸 Thomson Inc. 00:26:24:00:00:00 /24 MA-L 🇺🇸 Thomson Inc. 00:90:64:00:00:00 /24 MA-L 🇺🇸 Thomson, Inc. 00:11:E3:00:00:00 /24 MA-L 🇺🇸 Thoratec / ITC 00:18:35:00:00:00 /24 MA-L 🇺🇸 Thread Group, Inc. EA:B8:9B:00:00:00 /24 CID 🇺🇸 Thuh Company B4:B8:8D:00:00:00 /24 MA-L 🇺🇸 Thunder River Technologies, Inc. 00:05:CF:00:00:00 /24 MA-L 🇺🇸 THX LTD 00:12:FA:00:00:00 /24 MA-L 🇺🇸 ThyssenKrupp Elevator 00:1C:16:00:00:00 /24 MA-L 🇺🇸 TIARA NETWORKS, INC. 00:50:52:00:00:00 /24 MA-L
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