macadress

Vendor directory

17,370 blocks registered in United States.

Page 73 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

OrganizationBlocks
Apple, Inc.1,553
Cisco Systems, Inc1,247
IEEE Registration Authority436
Texas Instruments392
Commscope345
Juniper Networks209
Amazon Technologies Inc.204
Dell Inc.184
Hewlett Packard Enterprise176
Silicon Laboratories154
Organization Prefix Type
🇺🇸 Emcom Systems 00:50:C2:5A:D0:00 /36 IAB 🇺🇸 Emcom Systems 8C:1F:64:17:70:00 /36 MA-S 🇺🇸 Emcore Corporation 00:0D:C4:00:00:00 /24 MA-L 🇺🇸 Emcraft Systems LLC 3C:FB:96:00:00:00 /24 MA-L 🇺🇸 eMDee Technology, Inc. 00:50:C2:D2:20:00 /36 IAB 🇺🇸 EmergeCore Networks LLC 00:08:17:00:00:00 /24 MA-L 🇺🇸 Emergency Message Controls LLC 00:50:C2:C8:D0:00 /36 IAB 🇺🇸 Emergent Electronics 00:1C:71:00:00:00 /24 MA-L 🇺🇸 Emerson 10:3A:5D:00:00:00 /24 MA-L 🇺🇸 Emerson Appliance Motors and Controls 00:24:3D:00:00:00 /24 MA-L 🇺🇸 Emerson Network Power, Avocent Division 00:E0:86:00:00:00 /24 MA-L 🇺🇸 Emerson Process Management Power & Water Solutions, Inc. 00:40:03:00:00:00 /24 MA-L 🇺🇸 Emerson Rosemount Analytical 8C:1F:64:69:60:00 /36 MA-S 🇺🇸 Emerson Rosemount Analytical 8C:1F:64:9B:20:00 /36 MA-S 🇺🇸 Emerson Rosemount Analytical 8C:1F:64:D0:10:00 /36 MA-S 🇺🇸 Emotiv Inc 84:8B:CD:E0:00:00 /28 MA-M 🇺🇸 Emotiva Audio Corp 4A:DA:10:00:00:00 /24 CID 🇺🇸 emperor brands 70:B3:D5:65:80:00 /36 MA-S 🇺🇸 Emphysys, Inc. 40:D8:55:15:60:00 /36 IAB 🇺🇸 Empirix Corp. 00:05:E0:00:00:00 /24 MA-L 🇺🇸 Emporia Renewable Energy Corp 70:B3:D5:EB:80:00 /36 MA-S 🇺🇸 Empower RF Systems CC:60:BB:00:00:00 /24 MA-L 🇺🇸 EMS Aviation, Inc. 00:80:33:00:00:00 /24 MA-L 🇺🇸 EMTRAK, INCORPORATED 00:60:CC:00:00:00 /24 MA-L 🇺🇸 Emu Technology F0:23:B9:90:00:00 /28 MA-M 🇺🇸 Emulex Corporation 00:00:C9:00:00:00 /24 MA-L 🇺🇸 Emulex Corporation 00:0A:33:00:00:00 /24 MA-L 🇺🇸 Emulex Corporation 00:0E:03:00:00:00 /24 MA-L 🇺🇸 Emulex Corporation 00:10:9B:00:00:00 /24 MA-L 🇺🇸 Emulex Corporation 00:90:FA:00:00:00 /24 MA-L 🇺🇸 Emulex Corporation 00:E0:D5:00:00:00 /24 MA-L 🇺🇸 EMUTEC INC. 00:D0:BE:00:00:00 /24 MA-L 🇺🇸 Emuzed 00:0B:4D:00:00:00 /24 MA-L 🇺🇸 En Garde Systems, Inc. 00:0B:BC:00:00:00 /24 MA-L 🇺🇸 En-Vision America, Inc. E4:DD:79:00:00:00 /24 MA-L 🇺🇸 ENABLE SEMICONDUCTOR, INC. 00:10:DD:00:00:00 /24 MA-L 🇺🇸 Enalasys 00:25:A1:00:00:00 /24 MA-L 🇺🇸 ENCANTO NETWORKS, INC. 00:10:21:00:00:00 /24 MA-L 🇺🇸 Encell Technology, Inc. 8C:94:CF:00:00:00 /24 MA-L 🇺🇸 Encore Electronics, Inc. 00:19:0C:00:00:00 /24 MA-L 🇺🇸 Encore Networks, Inc. 00:A0:EB:00:00:00 /24 MA-L 🇺🇸 End 2 End Technologies 8C:1F:64:D4:60:00 /36 MA-S 🇺🇸 ENDEVCO CORP 00:12:86:00:00:00 /24 MA-L 🇺🇸 EndPoints, Inc. 00:02:CA:00:00:00 /24 MA-L 🇺🇸 EndRun Technologies LLC 00:0E:FE:00:00:00 /24 MA-L 🇺🇸 Enercon Technologies 74:F8:DB:00:00:00 /28 MA-M 🇺🇸 Enerdyne Technologies, Inc. 00:12:65:00:00:00 /24 MA-L 🇺🇸 Energid 00:50:C2:AF:60:00 /36 IAB 🇺🇸 EnergizeEV 70:B3:D5:EB:60:00 /36 MA-S 🇺🇸 Energous Corporation 3C:FA:D3:80:00:00 /28 MA-M 🇺🇸 Energport Inc 04:71:4B:80:00:00 /28 MA-M 🇺🇸 Energy Team S.p.A. 40:D8:55:05:80:00 /36 IAB 🇺🇸 Energy Wall 70:B3:D5:99:00:00 /36 MA-S 🇺🇸 Energy, Inc. 00:25:2F:00:00:00 /24 MA-L 🇺🇸 EnergyHub 00:26:C0:00:00:00 /24 MA-L 🇺🇸 EnerLinx.com, Inc. 00:08:AB:00:00:00 /24 MA-L 🇺🇸 Enetics, Inc. 00:50:C2:F8:50:00 /36 IAB 🇺🇸 Enfabrica 04:CA:8D:00:00:00 /24 MA-L 🇺🇸 Enfabrica 8C:1F:64:F9:00:00 /36 MA-S 🇺🇸 ENGAGE COMMUNICATION, INC. 00:C0:F7:00:00:00 /24 MA-L 🇺🇸 ENGAGE NETWORKS, INC. 00:E0:9B:00:00:00 /24 MA-L 🇺🇸 Engage Technologies 00:50:C2:99:E0:00 /36 IAB 🇺🇸 Engage Technologies 40:D8:55:14:90:00 /36 IAB 🇺🇸 Engage Technologies 70:B3:D5:20:D0:00 /36 MA-S 🇺🇸 Engage Technologies 70:B3:D5:97:70:00 /36 MA-S 🇺🇸 Engage Technologies 70:B3:D5:E1:10:00 /36 MA-S 🇺🇸 Engage Technologies 70:B3:D5:FC:D0:00 /36 MA-S 🇺🇸 Engage Technologies 8C:1F:64:07:70:00 /36 MA-S 🇺🇸 Engage Technologies 8C:1F:64:1A:00:00 /36 MA-S 🇺🇸 Engage Technologies 8C:1F:64:F1:E0:00 /36 MA-S 🇺🇸 ENGenesis 70:B3:D5:D2:50:00 /36 MA-S 🇺🇸 Engim, Inc. 00:13:4A:00:00:00 /24 MA-L 🇺🇸 Engim, Inc. 00:50:C2:3A:80:00 /36 IAB 🇺🇸 Enginuity Communications 00:60:BD:00:00:00 /24 MA-L 🇺🇸 Enguity Technology Corp 5C:4A:26:00:00:00 /24 MA-L 🇺🇸 Enhanced Vision 78:BE:B6:00:00:00 /24 MA-L 🇺🇸 enimai Inc A0:E5:E9:00:00:00 /24 MA-L 🇺🇸 EnjoyWeb, Inc. 00:01:28:00:00:00 /24 MA-L 🇺🇸 enLighted Inc 68:54:F5:00:00:00 /24 MA-L 🇺🇸 Enmotus Inc 7C:D8:44:00:00:00 /24 MA-L 🇺🇸 Ennovate Networks, Inc. 00:01:4B:00:00:00 /24 MA-L 🇺🇸 EnOcean Edge Inc. 1C:6E:74:00:00:00 /24 MA-L 🇺🇸 Enovation Controls 34:6F:ED:00:00:00 /24 MA-L 🇺🇸 Enovative Networks, Inc. 70:B3:D5:6D:A0:00 /36 MA-S 🇺🇸 Enphase Energy 00:1D:C0:00:00:00 /24 MA-L 🇺🇸 ens, inc. 00:90:36:00:00:00 /24 MA-L 🇺🇸 Ensemble Communications 00:01:51:00:00:00 /24 MA-L 🇺🇸 Ensemble Designs, Inc. B0:A7:2A:00:00:00 /24 MA-L 🇺🇸 Enseo, Inc. 00:21:F8:00:00:00 /24 MA-L 🇺🇸 Enseo, Inc. 00:50:C2:5C:C0:00 /36 IAB 🇺🇸 Ensequence, Inc. B4:AA:4D:00:00:00 /24 MA-L 🇺🇸 ENSIM CORP. 00:30:E8:00:00:00 /24 MA-L 🇺🇸 Ensure Technologies, Inc. 00:06:95:00:00:00 /24 MA-L 🇺🇸 ENTEC Electric & Electronic CO., LTD. 40:D8:55:02:00:00 /36 IAB 🇺🇸 EnTek Systems, Inc. 3C:6F:F7:00:00:00 /24 MA-L 🇺🇸 Enterasys 00:01:F4:00:00:00 /24 MA-L 🇺🇸 Enterasys 00:11:88:00:00:00 /24 MA-L 🇺🇸 Enterasys 00:1F:45:00:00:00 /24 MA-L 🇺🇸 Enterasys 20:B3:99:00:00:00 /24 MA-L 🇺🇸 Entise Systems 00:09:B8:00:00:00 /24 MA-L
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