macadress

Vendor directory

17,500 blocks registered in United States.

Page 5 of 175

Every MA-L, MA-M, MA-S, IAB, and CID block IEEE has ever assigned to a named organization, browsable or searchable.

Unique organizations9,008
Total blocks17,500
MA-L count13,649
MA-M count984
MA-S count1,479
IAB count1,289
CID count99
Total address capacity231,696,302,080
Last changed hereOct 6, 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.1,573
Cisco Systems, Inc1,257
IEEE Registration Authority439
Texas Instruments400
Commscope345
Juniper Networks213
Amazon Technologies Inc.206
Dell Inc.185
Hewlett Packard Enterprise179
Silicon Laboratories158
Organization Prefix Type
🇺🇸 AEye, Inc. 70:B3:D5:B5:20:00 /36 MA-S 🇺🇸 AFAR Communications,Inc 00:0D:94:00:00:00 /24 MA-L 🇺🇸 Afco Systems 00:0D:7D:00:00:00 /24 MA-L 🇺🇸 AFE Inc. EC:57:0D:00:00:00 /24 MA-L 🇺🇸 Afero, Inc. 90:6F:18:00:00:00 /24 MA-L 🇺🇸 Affinegy 58:1C:BD:00:00:00 /24 MA-L 🇺🇸 Affirmed Networks 78:22:3D:00:00:00 /24 MA-L 🇺🇸 Ag Express Electronics 0C:86:29:40:00:00 /28 MA-M 🇺🇸 Ag Leader Technology 00:24:A9:00:00:00 /24 MA-L 🇺🇸 Agami Systems, Inc. 00:1A:47:00:00:00 /24 MA-L 🇺🇸 Agar Corporation Inc. 8C:1F:64:30:10:00 /36 MA-S 🇺🇸 Agere Systems 00:05:3D:00:00:00 /24 MA-L 🇺🇸 AGFA CORPORATION 08:00:66:00:00:00 /24 MA-L 🇺🇸 AGFA NDT INC. 00:0B:CF:00:00:00 /24 MA-L 🇺🇸 Agile Communications, Inc. 00:25:B8:00:00:00 /24 MA-L 🇺🇸 AGILE NETWORKS, INC. 00:20:B6:00:00:00 /24 MA-L 🇺🇸 Agile Sports Technologies, dba Hudl F0:2A:2B:50:00:00 /28 MA-M 🇺🇸 Agile TV Corporation 00:05:57:00:00:00 /24 MA-L 🇺🇸 AgileMesh, Inc. 80:91:C0:00:00:00 /24 MA-L 🇺🇸 Agilent Technologies, Inc. 00:04:43:00:00:00 /24 MA-L 🇺🇸 Agilent Technologies, Inc. 00:30:D3:00:00:00 /24 MA-L 🇺🇸 AGILIS CORPORATION 00:80:5C:00:00:00 /24 MA-L 🇺🇸 Agility Mfg, Inc. 00:50:C2:A2:30:00 /36 IAB 🇺🇸 AGILITY ROBOTICS, INC. 4C:74:A7:50:00:00 /28 MA-M 🇺🇸 AgJunction 74:94:3D:00:00:00 /24 MA-L 🇺🇸 AgLogica Holdings, Inc 0C:8A:87:00:00:00 /24 MA-L 🇺🇸 AGR International 70:B3:D5:AB:F0:00 /36 MA-S 🇺🇸 AGRANAT SYSTEMS 00:90:B3:00:00:00 /24 MA-L 🇺🇸 Agrology, PBC 8C:1F:64:A9:20:00 /36 MA-S 🇺🇸 Agrowtek Inc. 8C:1F:64:17:90:00 /36 MA-S 🇺🇸 AHV Systems, Inc. 00:50:C2:91:90:00 /36 IAB 🇺🇸 AI Storm 08:DA:33:30:00:00 /28 MA-M 🇺🇸 AiCare Corp. A0:C5:F2:40:00:00 /28 MA-M 🇺🇸 AIM GmbH 08:79:99:00:00:00 /24 MA-L 🇺🇸 AIMCO 2C:16:BD:20:00:00 /28 MA-M 🇺🇸 AIMCO 70:B3:D5:3C:30:00 /36 MA-S 🇺🇸 AIMTRON CORPORATION 84:E0:F4:C0:00:00 /28 MA-M 🇺🇸 Aina Computers ,Inc. 20:B3:7F:20:00:00 /28 MA-M 🇺🇸 AiNET 50:14:08:00:00:00 /24 MA-L 🇺🇸 Air Broadband Communications, Inc. 00:50:C2:27:F0:00 /36 IAB 🇺🇸 Air Products and Chemicals, Inc. 00:07:5A:00:00:00 /24 MA-L 🇺🇸 Air-Weigh Incorporated 00:39:69:00:00:00 /24 MA-L 🇺🇸 Air2App 00:1E:77:00:00:00 /24 MA-L 🇺🇸 AIR802 LLC 00:1F:35:00:00:00 /24 MA-L 🇺🇸 Airak, Inc. 00:14:ED:00:00:00 /24 MA-L 🇺🇸 AIRAYA Corp 00:11:F8:00:00:00 /24 MA-L 🇺🇸 AirDefense, Inc. 00:16:5D:00:00:00 /24 MA-L 🇺🇸 AireSpider Networks 00:19:48:00:00:00 /24 MA-L 🇺🇸 AirFiber, Inc. 00:50:DF:00:00:00 /24 MA-L 🇺🇸 AirFlow Networks 00:0B:C8:00:00:00 /24 MA-L 🇺🇸 Airgain Inc. B8:4C:87:90:00:00 /28 MA-M 🇺🇸 Airgain, Inc. 00:1C:04:00:00:00 /24 MA-L 🇺🇸 Airgo Networks, Inc. 00:0A:F5:00:00:00 /24 MA-L 🇺🇸 Airista Flow, Inc. C4:CB:6B:00:00:00 /24 MA-L 🇺🇸 Airity Technologies Inc. 70:B3:D5:54:50:00 /36 MA-S 🇺🇸 AirLink Communications, Inc. 00:14:3E:00:00:00 /24 MA-L 🇺🇸 AirLogic Systems Inc. 00:1F:76:00:00:00 /24 MA-L 🇺🇸 AirMagnet, Inc 00:0D:C8:00:00:00 /24 MA-L 🇺🇸 Airmar Technology Corp 70:B3:D5:08:C0:00 /36 MA-S 🇺🇸 AirMatrix, Inc. 00:50:C2:62:C0:00 /36 IAB 🇺🇸 AIRNET COMMUNICATIONS CORP 00:50:C2:2D:20:00 /36 IAB 🇺🇸 Airo Wireless C4:26:28:00:00:00 /24 MA-L 🇺🇸 Airocon, Inc. 00:05:1D:00:00:00 /24 MA-L 🇺🇸 airPointe of New Hampshire 4C:60:D5:00:00:00 /24 MA-L 🇺🇸 AirRunner Technologies, Inc. 00:06:8B:00:00:00 /24 MA-L 🇺🇸 AirScan, Inc. dba HemaTechnologies 8C:1F:64:BB:E0:00 /36 MA-S 🇺🇸 AirScape Inc. 60:CB:FB:00:00:00 /24 MA-L 🇺🇸 Airsonics 3C:78:73:00:00:00 /24 MA-L 🇺🇸 AirSwitch Corporation 00:01:65:00:00:00 /24 MA-L 🇺🇸 Airvana, Inc. 00:05:B9:00:00:00 /24 MA-L 🇺🇸 AirVine Scientific, Inc. A4:F9:E4:00:00:00 /24 MA-L 🇺🇸 Airware E4:C6:2B:00:00:00 /24 MA-L 🇺🇸 Airwire Technologies 1C:14:B3:00:00:00 /24 MA-L 🇺🇸 AITECH SYSTEMS LTD. 00:80:7A:00:00:00 /24 MA-L 🇺🇸 Aivres SYSTEMS INC AC:A6:13:00:00:00 /24 MA-L 🇺🇸 Aiwa Corporation A8:01:6D:00:00:00 /24 MA-L 🇺🇸 AJA Video Systems Inc 00:0C:17:00:00:00 /24 MA-L 🇺🇸 Ajile Systems, Inc. 00:B0:EE:00:00:00 /24 MA-L 🇺🇸 Akamai Technologies Inc. 00:1C:A1:00:00:00 /24 MA-L 🇺🇸 Akamai Technologies Inc. 00:22:18:00:00:00 /24 MA-L 🇺🇸 Akamba Corporation 00:30:76:00:00:00 /24 MA-L 🇺🇸 AKELA, Inc. 38:7B:47:00:00:00 /24 MA-L 🇺🇸 Akimbi Systems 00:13:F5:00:00:00 /24 MA-L 🇺🇸 Akorri 00:14:88:00:00:00 /24 MA-L 🇺🇸 Aksys, Ltd. 00:0E:D9:00:00:00 /24 MA-L 🇺🇸 Akteena Inc 18:66:96:40:00:00 /28 MA-M 🇺🇸 Alacritech, Inc. 00:10:42:00:00:00 /24 MA-L 🇺🇸 Alacron Inc. 00:22:42:00:00:00 /24 MA-L 🇺🇸 Alaire Technologies Inc 8C:1F:64:4A:60:00 /36 MA-S 🇺🇸 ALAMAR ELECTRONICS 00:20:E1:00:00:00 /24 MA-L 🇺🇸 ALANTRO COMMUNICATIONS 00:D0:A4:00:00:00 /24 MA-L 🇺🇸 ALARIS MEDICAL SYSTEMS, INC. 00:D0:75:00:00:00 /24 MA-L 🇺🇸 Alaris, Inc. 00:B0:94:00:00:00 /24 MA-L 🇺🇸 Alarm.com 00:1C:FA:00:00:00 /24 MA-L 🇺🇸 Alarm.com 50:40:74:00:00:00 /24 MA-L 🇺🇸 Alarm.com B8:3A:9D:00:00:00 /24 MA-L 🇺🇸 Alba Fiber Systems Inc. 50:A0:BF:00:00:00 /24 MA-L 🇺🇸 ALCATEL DATA NETWORKS 00:A0:81:00:00:00 /24 MA-L 🇺🇸 Alcatel North America 00:0E:86:00:00:00 /24 MA-L 🇺🇸 Alcatel-Lucent 00:17:CC:00:00:00 /24 MA-L
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