macadress

Vendor directory

17,320 blocks registered in United States.

Page 54 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 organizations8,981
Total blocks17,320
MA-L count13,489
MA-M count976
MA-S count1,468
IAB count1,288
CID count99
Total address capacity229,003,509,760
Last changed hereAug 25, 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 Authority435
Texas Instruments392
Commscope345
Juniper Networks209
Amazon Technologies Inc.204
Dell Inc.184
Hewlett Packard Enterprise176
Silicon Laboratories154
Organization Prefix Type
🇺🇸 Cisco-Linksys, LLC 00:18:F8:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:1A:70:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:1C:10:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:1D:7E:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:1E:E5:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:21:29:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:22:6B:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:23:69:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 00:25:9C:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 20:AA:4B:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 48:F8:B3:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 58:6D:8F:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 68:7F:74:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC 98:FC:11:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC C0:C1:C0:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC C8:B3:73:00:00:00 /24 MA-L 🇺🇸 Cisco-Linksys, LLC C8:D7:19:00:00:00 /24 MA-L 🇺🇸 CITADEL COMPUTER 00:60:8A:00:00:00 /24 MA-L 🇺🇸 Citadel Wallet LLC 18:E8:3B:00:00:00 /24 MA-L 🇺🇸 CITICORP/TTI 00:A0:20:00:00:00 /24 MA-L 🇺🇸 Citrix Systems, Inc. EC:75:ED:00:00:00 /24 MA-L 🇺🇸 Citronix, LLC 00:12:52:00:00:00 /24 MA-L 🇺🇸 City Theatrical 00:1E:4B:00:00:00 /24 MA-L 🇺🇸 City-Net Technology, Inc. 00:30:BE:00:00:00 /24 MA-L 🇺🇸 CIX TECHNOLOGY INC. C4:CC:37:20:00:00 /28 MA-M 🇺🇸 CJMS LLC D0:DA:24:B0:00:00 /28 MA-M 🇺🇸 Clack Corporation 04:81:AE:00:00:00 /24 MA-L 🇺🇸 Clair Global Corporation 8C:1F:64:47:60:00 /36 MA-S 🇺🇸 Clairvoyant Technology Inc. BC:DF:E1:E0:00:00 /28 MA-M 🇺🇸 Clare Controls Inc. 58:67:7F:00:00:00 /24 MA-L 🇺🇸 CLARIION 00:60:16:00:00:00 /24 MA-L 🇺🇸 CLARINET SYSTEMS, INC. 00:10:9D:00:00:00 /24 MA-L 🇺🇸 CLARION CORPORATION OF AMERICA 00:60:6F:00:00:00 /24 MA-L 🇺🇸 ClariPhy Communications, Inc. 00:1D:6C:00:00:00 /24 MA-L 🇺🇸 Clarity Design, Inc. 00:0A:F1:00:00:00 /24 MA-L 🇺🇸 Clark-MXR, Inc. 40:D8:55:0C:F0:00 /36 IAB 🇺🇸 Clear Align LLC C4:E7:33:00:00:00 /24 MA-L 🇺🇸 Clear Edge Networks 00:0F:0A:00:00:00 /24 MA-L 🇺🇸 ClearCaptions LLC 34:04:9E:C0:00:00 /28 MA-M 🇺🇸 ClearCorp Enterprises, Inc 00:50:C2:AE:90:00 /36 IAB 🇺🇸 ClearCube Technology 00:05:82:00:00:00 /24 MA-L 🇺🇸 Clearly IP Inc 20:0A:0D:30:00:00 /28 MA-M 🇺🇸 Clearly IP Inc 70:B3:D5:9B:00:00 /36 MA-S 🇺🇸 ClearOne, Inc. 00:90:79:00:00:00 /24 MA-L 🇺🇸 ClearPath Networks, Inc. 00:24:EB:00:00:00 /24 MA-L 🇺🇸 ClearSite Communications Inc. 40:D8:55:00:90:00 /36 IAB 🇺🇸 ClearSky Data 3C:1A:0F:00:00:00 /24 MA-L 🇺🇸 Clearwater Networks 00:50:C2:0E:50:00 /36 IAB 🇺🇸 Clearwire 00:1D:88:00:00:00 /24 MA-L 🇺🇸 Cleaveland/Price, Inc. 1C:21:D1:80:00:00 /28 MA-M 🇺🇸 Cleaveland/Price, Inc. 00:50:C2:93:B0:00 /36 IAB 🇺🇸 CLEMATIC 00:0E:89:00:00:00 /24 MA-L 🇺🇸 Clever Devices 00:50:C2:06:50:00 /36 IAB 🇺🇸 Clever Devices 70:B3:D5:A2:B0:00 /36 MA-S 🇺🇸 CLIENTEC CORPORATION 00:90:A7:00:00:00 /24 MA-L 🇺🇸 CLINICOMP INTL. 00:40:A5:00:00:00 /24 MA-L 🇺🇸 Clinton Electronics Corporation 6C:5C:3D:E0:00:00 /28 MA-M 🇺🇸 Clinton Electronics Corporation 90:15:64:30:00:00 /28 MA-M 🇺🇸 Clinton Electronics Corporation C4:A1:0E:B0:00:00 /28 MA-M 🇺🇸 Cloanto Corporation 00:50:C2:49:00:00 /36 IAB 🇺🇸 Cloud Engines, Inc. 00:25:31:00:00:00 /24 MA-L 🇺🇸 CLOUD TECHNOLOGY GROUP, LLC 08:25:32:C0:00:00 /28 MA-M 🇺🇸 Cloud Telecomputers, LLC 10:71:F9:00:00:00 /24 MA-L 🇺🇸 Cloud4Wi 40:48:FD:70:00:00 /28 MA-M 🇺🇸 Cloud4Wi 70:B3:D5:45:F0:00 /36 MA-S 🇺🇸 Cloudastructure Inc 00:17:3A:00:00:00 /24 MA-L 🇺🇸 Cloudflare, Inc. 6C:45:C4:00:00:00 /24 MA-L 🇺🇸 CloudGenix Inc EC:B9:07:00:00:00 /24 MA-L 🇺🇸 Cloudhop Inc C4:FF:84:30:00:00 /28 MA-M 🇺🇸 Cloudistics B4:D1:35:00:00:00 /24 MA-L 🇺🇸 Cloudleaf, Inc. E0:60:89:00:00:00 /24 MA-L 🇺🇸 CloudShield Technologies, Inc. 00:0B:A9:00:00:00 /24 MA-L 🇺🇸 CloudSimple, Inc. EA:60:76:00:00:00 /24 CID 🇺🇸 CloudSwitch 60:9F:9D:00:00:00 /24 MA-L 🇺🇸 Cloudvue Technologies Corporation 74:19:F8:40:00:00 /28 MA-M 🇺🇸 Clover Network, Inc. 04:C1:03:00:00:00 /24 MA-L 🇺🇸 Clover Network, Inc. D4:95:24:00:00:00 /24 MA-L 🇺🇸 Cloverleaf Communications Inc. 00:09:6A:00:00:00 /24 MA-L 🇺🇸 CLUSTRIX CORPORATION 00:00:7E:00:00:00 /24 MA-L 🇺🇸 CMD TECHNOLOGY 00:20:8D:00:00:00 /24 MA-L 🇺🇸 CMI, Inc. 70:B3:D5:4E:F0:00 /36 MA-S 🇺🇸 CMI, Inc. 8C:1F:64:5A:20:00 /36 MA-S 🇺🇸 CMOS SYSTEMS, INC. 00:30:6B:00:00:00 /24 MA-L 🇺🇸 CMS TECHNOLOGIES 00:50:BB:00:00:00 /24 MA-L 🇺🇸 CNET TECHNOLOGY, INC. 00:80:AD:00:00:00 /24 MA-L 🇺🇸 CNEX Labs 5C:B5:59:00:00:00 /24 MA-L 🇺🇸 CNF MOBILE SOLUTIONS, INC. 00:30:E7:00:00:00 /24 MA-L 🇺🇸 CNMP Networks, Inc. 00:0C:EB:00:00:00 /24 MA-L 🇺🇸 CNS Systems, Inc. 00:50:C2:9D:90:00 /36 IAB 🇺🇸 CNSLink Co., Ltd. D0:BE:2C:00:00:00 /24 MA-L 🇺🇸 Coach Master International d.b.a. CMI Worldwide, Inc. 00:01:AD:00:00:00 /24 MA-L 🇺🇸 CoachComm, LLC 00:25:5B:00:00:00 /24 MA-L 🇺🇸 COACTIVE AESTHETICS 00:10:B2:00:00:00 /24 MA-L 🇺🇸 Coastal Environmental Systems 00:1A:1F:00:00:00 /24 MA-L 🇺🇸 Coastal Source F8:2B:E6:10:00:00 /28 MA-M 🇺🇸 COASTCOM 00:A0:70:00:00:00 /24 MA-L 🇺🇸 Coax Media 00:03:7C:00:00:00 /24 MA-L 🇺🇸 Coaxial Networks, Inc. 00:11:77:00:00:00 /24 MA-L 🇺🇸 Cobalt Digital Inc. AC:83:F0:00:00:00 /24 MA-L 🇺🇸 Cobalt Digital, Inc. 00:23:02:00:00:00 /24 MA-L
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