macadress

Vendor directory

17,370 blocks registered in United States.

Page 60 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
🇺🇸 CONCORD COMMUNICATIONS INC 00:00:69:00:00:00 /24 MA-L 🇺🇸 Concorde Microsystems Inc. 00:0C:16:00:00:00 /24 MA-L 🇺🇸 CONCUR SYSTEM TECHNOLOGIES 00:90:4A:00:00:00 /24 MA-L 🇺🇸 CONCURRENT COMPUTER CORP. 08:00:45:00:00:00 /24 MA-L 🇺🇸 CONDOR SYSTEMS, INC. 00:80:5B:00:00:00 /24 MA-L 🇺🇸 Condre Corporation 00:50:C2:5E:E0:00 /36 IAB 🇺🇸 Conduant Corporation 00:50:C2:A4:E0:00 /36 IAB 🇺🇸 Conductix-Wampfler 58:20:8A:A0:00:00 /28 MA-M 🇺🇸 CoNet Communications, Inc. 00:01:D1:00:00:00 /24 MA-L 🇺🇸 CONEXANT SYSTEMS, INC. 00:30:CD:00:00:00 /24 MA-L 🇺🇸 ConferTech International 00:60:8B:00:00:00 /24 MA-L 🇺🇸 Confidant International LLC 00:1D:6D:00:00:00 /24 MA-L 🇺🇸 Conformative Systems, Inc. 00:50:C2:3E:80:00 /36 IAB 🇺🇸 Conklin Corporation 00:01:6E:00:00:00 /24 MA-L 🇺🇸 ConMed Linvatec 00:1F:4E:00:00:00 /24 MA-L 🇺🇸 ConMet 14:5B:B9:00:00:00 /24 MA-L 🇺🇸 ConMet 34:EE:2A:00:00:00 /24 MA-L 🇺🇸 ConMet 54:66:F9:00:00:00 /24 MA-L 🇺🇸 ConMet D0:98:9C:00:00:00 /24 MA-L 🇺🇸 Connected Data, Inc. FC:2A:54:00:00:00 /24 MA-L 🇺🇸 Connected Development 8C:1F:64:2A:00:00 /36 MA-S 🇺🇸 Connected IO 34:04:9E:10:00:00 /28 MA-M 🇺🇸 Connected IO 4C:4B:F9:C0:00:00 /28 MA-M 🇺🇸 CONNECTED SYSTEMS 00:D0:53:00:00:00 /24 MA-L 🇺🇸 CONNECTION MACHINES SERVICES 00:40:54:00:00:00 /24 MA-L 🇺🇸 ConnectQuest, llc 3C:38:88:00:00:00 /24 MA-L 🇺🇸 CONNER PERIPHERALS 00:A0:28:00:00:00 /24 MA-L 🇺🇸 Connor-Winfield 00:50:C2:9B:A0:00 /36 IAB 🇺🇸 Conolog Corporation 00:50:C2:9A:50:00 /36 IAB 🇺🇸 Consarc Corporation 70:B3:D5:BD:60:00 /36 MA-S 🇺🇸 ConSentry Networks 00:12:36:00:00:00 /24 MA-L 🇺🇸 Consert, Inc. B4:37:41:00:00:00 /24 MA-L 🇺🇸 Conserv Solutions 70:B3:D5:31:00:00 /36 MA-S 🇺🇸 CONSERVATION THROUGH INNOVATION LTD. 00:60:FC:00:00:00 /24 MA-L 🇺🇸 Consolidated Resource Imaging A8:FC:B7:00:00:00 /24 MA-L 🇺🇸 Consumer Technologies Group, LLC 00:15:32:00:00:00 /24 MA-L 🇺🇸 ContactProximity Inc 24:5D:FC:50:00:00 /28 MA-M 🇺🇸 Contec Americas Inc. 70:B3:D5:36:30:00 /36 MA-S 🇺🇸 Contec Americas Inc. 70:B3:D5:39:20:00 /36 MA-S 🇺🇸 Contec Americas Inc. 70:B3:D5:5D:20:00 /36 MA-S 🇺🇸 Contec Americas Inc. 70:B3:D5:88:30:00 /36 MA-S 🇺🇸 Contec Americas Inc. 70:B3:D5:8B:70:00 /36 MA-S 🇺🇸 Contec Americas Inc. 70:B3:D5:91:40:00 /36 MA-S 🇺🇸 Contec Americas Inc. 70:B3:D5:D1:00:00 /36 MA-S 🇺🇸 Contec Steuerungstechnik & Automation GmbH 40:D8:55:17:30:00 /36 IAB 🇺🇸 CONTEMPORARY CONTROL 00:50:DB:00:00:00 /24 MA-L 🇺🇸 Contemporary Research Corp 00:14:C8:00:00:00 /24 MA-L 🇺🇸 Continental Control Systems CC:D3:9D:20:00:00 /28 MA-M 🇺🇸 Continental Electronics Corp. 00:50:C2:88:A0:00 /36 IAB 🇺🇸 Continuous Computing Corp 00:02:BB:00:00:00 /24 MA-L 🇺🇸 Continuum Photonics Inc 00:0F:56:00:00:00 /24 MA-L 🇺🇸 CONTINUUM TECHNOLOGY CORP. 00:60:A3:00:00:00 /24 MA-L 🇺🇸 Contour Design LLC 38:CA:97:00:00:00 /24 MA-L 🇺🇸 Control Accessories LLC B8:5B:6C:00:00:00 /24 MA-L 🇺🇸 Control Alternative Solutions, Inc. 00:50:C2:55:50:00 /36 IAB 🇺🇸 Control Concepts, Inc. 7C:7B:8B:00:00:00 /24 MA-L 🇺🇸 CONTROL DATA 08:00:25:00:00:00 /24 MA-L 🇺🇸 Control Module Inc. 00:09:DA:00:00:00 /24 MA-L 🇺🇸 Control Products, Inc. 00:0D:E1:00:00:00 /24 MA-L 🇺🇸 CONTROL RESOURCES CORPORATION 00:E0:80:00:00:00 /24 MA-L 🇺🇸 Control Solutions LLC E4:A3:87:00:00:00 /24 MA-L 🇺🇸 CONTROL SOLUTIONS, INC. 00:30:C6:00:00:00 /24 MA-L 🇺🇸 CONTROL TECHNOLOGY CORPORATION 00:C0:CB:00:00:00 /24 MA-L 🇺🇸 Control Technology Inc. F8:9D:0D:00:00:00 /24 MA-L 🇺🇸 CONTROL TECHNOLOGY, INC. 00:20:25:00:00:00 /24 MA-L 🇺🇸 Control4 00:0F:FF:00:00:00 /24 MA-L 🇺🇸 Controlled Power Company 70:B3:D5:BA:80:00 /36 MA-S 🇺🇸 ControlNet, Inc. 00:60:C9:00:00:00 /24 MA-L 🇺🇸 Controls Inc DC:E5:33:50:00:00 /28 MA-M 🇺🇸 Convergence Technologies B8:74:47:00:00:00 /24 MA-L 🇺🇸 Convergenet Technologies 00:30:B0:00:00:00 /24 MA-L 🇺🇸 Convergent Design 00:50:C2:54:E0:00 /36 IAB 🇺🇸 Convergent Design 70:B3:D5:1F:80:00 /36 MA-S 🇺🇸 CONVERGENT NETWORKS, INC. 00:D0:10:00:00:00 /24 MA-L 🇺🇸 Converging Systems Inc. 00:1B:C5:00:00:00 /36 MA-S 🇺🇸 Converging Systems Inc. 8C:1F:64:00:90:00 /36 MA-S 🇺🇸 Conversion Sound Inc. F4:73:CA:00:00:00 /24 MA-L 🇺🇸 CONVEX COMPUTER CORPORATION 00:A0:D9:00:00:00 /24 MA-L 🇺🇸 Convey Computer Corp. 00:24:E1:00:00:00 /24 MA-L 🇺🇸 Cool Air Incorporated 8C:1F:64:90:C0:00 /36 MA-S 🇺🇸 CoolR Group Inc 70:5A:6F:C0:00:00 /28 MA-M 🇺🇸 CoolR Group Inc A0:C5:F2:80:00:00 /28 MA-M 🇺🇸 Cooper Lighting Solutions 00:1D:05:00:00:00 /24 MA-L 🇺🇸 COPAN Systems Inc. 00:0E:D5:00:00:00 /24 MA-L 🇺🇸 Copeland LP 00:0A:F6:00:00:00 /24 MA-L 🇺🇸 Coperion D4:25:CC:E0:00:00 /28 MA-M 🇺🇸 Copious Imaging LLC 70:B3:D5:4E:80:00 /36 MA-S 🇺🇸 Copley Controls Corporation 00:1A:F8:00:00:00 /24 MA-L 🇺🇸 Copper Labs, Inc. 68:79:12:50:00:00 /28 MA-M 🇺🇸 Copper Labs, Inc. 70:B3:D5:F6:90:00 /36 MA-S 🇺🇸 COPPER MOUNTAIN COMMUNICATIONS, INC. 00:60:58:00:00:00 /24 MA-L 🇺🇸 Copper Mountain Technologies 8C:A9:FD:00:00:00 /24 MA-L 🇺🇸 Coppercom 00:50:C2:43:E0:00 /36 IAB 🇺🇸 CopperCom, Inc. 00:90:FD:00:00:00 /24 MA-L 🇺🇸 CORAL NETWORK CORPORATION 00:80:E3:00:00:00 /24 MA-L 🇺🇸 Coram AI, Inc 1C:52:A7:00:00:00 /24 MA-L 🇺🇸 CORDANT, INC. 00:A0:B7:00:00:00 /24 MA-L 🇺🇸 CORDER ENGINEERING CORPORATION 00:50:6E:00:00:00 /24 MA-L 🇺🇸 CorDes, LLC 70:B3:D5:FA:90:00 /36 MA-S 🇺🇸 Core Brands, LLC F8:57:2E:00:00:00 /24 MA-L
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