macadress

Vendor directory

17,500 blocks registered in United States.

Page 3 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
🇺🇸 Acromag, Inc. 00:01:C3:00:00:00 /24 MA-L 🇺🇸 Acroname Inc. 04:E6:62:00:00:00 /24 MA-L 🇺🇸 Actel Corporation 00:0B:E9:00:00:00 /24 MA-L 🇺🇸 Acterna 00:07:11:00:00:00 /24 MA-L 🇺🇸 Actineon 50:A0:54:00:00:00 /24 MA-L 🇺🇸 Action Digital Inc. 00:07:9F:00:00:00 /24 MA-L 🇺🇸 Action Streamer LLC 8C:1F:64:65:D0:00 /36 MA-S 🇺🇸 Action Target, Inc. 70:5E:AA:00:00:00 /24 MA-L 🇺🇸 Actioncable, Inc. A0:40:25:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics Inc. 00:BC:2F:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics Inc. 08:95:36:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics Inc. 40:C0:2F:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics Inc. 5C:35:FC:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics Inc. 70:58:A4:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics Inc. F0:70:84:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics Inc. 18:A5:9C:20:00:00 /28 MA-M 🇺🇸 Actiontec Electronics Inc. D4:BA:BA:A0:00:00 /28 MA-M 🇺🇸 Actiontec Electronics, Inc 00:0F:B3:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:15:05:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:18:01:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:1E:A7:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:1F:90:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:20:E0:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:24:7B:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:26:62:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:26:B8:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 00:7F:28:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 0C:61:27:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 10:5F:06:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 10:78:5B:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 10:9F:A9:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 18:1B:EB:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 20:76:00:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 40:8B:07:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 4C:8B:30:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 70:F1:96:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 70:F2:20:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 84:E8:92:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 94:1C:56:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc 9C:1E:95:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc A0:A3:E2:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc A8:39:44:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc E8:6F:F2:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc F8:E4:FB:00:00:00 /24 MA-L 🇺🇸 Actiontec Electronics, Inc FC:2B:B2:00:00:00 /24 MA-L 🇺🇸 ACTIV Financial Systems, Inc. 00:50:C2:D3:00:00 /36 IAB 🇺🇸 Active Optical Systems, LLC 8C:1F:64:A6:00:00 /36 MA-S 🇺🇸 ACTIVE POWER 00:30:A5:00:00:00 /24 MA-L 🇺🇸 Active Storage Inc. 00:22:C1:00:00:00 /24 MA-L 🇺🇸 Activetelco 00:01:DC:00:00:00 /24 MA-L 🇺🇸 ACTP, Inc. 8C:CD:A2:00:00:00 /24 MA-L 🇺🇸 Actuality Systems, Inc. 00:11:96:00:00:00 /24 MA-L 🇺🇸 ACUCOMM, INC. 00:90:37:00:00:00 /24 MA-L 🇺🇸 Acuity Brands Lighting 5C:6A:EC:00:00:00 /28 MA-M 🇺🇸 ACUITY IMAGING, INC. 00:60:33:00:00:00 /24 MA-L 🇺🇸 Acumen 74:EC:F1:00:00:00 /24 MA-L 🇺🇸 Acuro Networks, Inc EC:B1:06:00:00:00 /24 MA-L 🇺🇸 ACUSON COMPUTED SONOGRAPHY 00:C0:C3:00:00:00 /24 MA-L 🇺🇸 Adafruit 98:76:B6:00:00:00 /24 MA-L 🇺🇸 Adapcom 00:02:87:00:00:00 /24 MA-L 🇺🇸 Adapt-IP 10:C6:5E:00:00:00 /24 MA-L 🇺🇸 Adapt4, LLC 00:13:DE:00:00:00 /24 MA-L 🇺🇸 ADAPTEC INCORPORATED 00:00:D1:00:00:00 /24 MA-L 🇺🇸 Adapteva, Inc. 04:4F:8B:00:00:00 /24 MA-L 🇺🇸 Adaptiv LTD 8C:1F:64:69:30:00 /36 MA-S 🇺🇸 Adaptive Instruments 00:0F:B9:00:00:00 /24 MA-L 🇺🇸 Adaptive Micro Systems Inc. 00:0E:12:00:00:00 /24 MA-L 🇺🇸 Adaptive Micro-Ware Inc. 00:1A:0A:00:00:00 /24 MA-L 🇺🇸 Adaptive Spectrum and Signal Alignment (ASSIA), Inc. 78:02:8F:00:00:00 /24 MA-L 🇺🇸 ADAPTIVE SYSTEMS, INC. 00:80:27:00:00:00 /24 MA-L 🇺🇸 Adaptive Technologies, Inc. 00:50:C2:E8:10:00 /36 IAB 🇺🇸 Adaptive Wireless Solutions, LLC A4:4E:2D:00:00:00 /24 MA-L 🇺🇸 Adaptix, Inc 00:12:61:00:00:00 /24 MA-L 🇺🇸 Adaptrum Inc. F0:F5:AE:00:00:00 /24 MA-L 🇺🇸 ADASTRA SYSTEMS CORP. 00:20:0C:00:00:00 /24 MA-L 🇺🇸 Adax, Inc. 00:07:10:00:00:00 /24 MA-L 🇺🇸 ADB Broadband Italia 00:8C:54:00:00:00 /24 MA-L 🇺🇸 ADC - Global Connectivity Solutions Division 00:40:16:00:00:00 /24 MA-L 🇺🇸 ADC CODENOLL TECHNOLOGY CORP. 00:00:4A:00:00:00 /24 MA-L 🇺🇸 ADC CODENOLL TECHNOLOGY CORP. 00:80:DF:00:00:00 /24 MA-L 🇺🇸 ADC Telecommunications 00:17:34:00:00:00 /24 MA-L 🇺🇸 Adcole Space 70:B3:D5:92:20:00 /36 MA-S 🇺🇸 Additech, Inc. C0:0D:7E:00:00:00 /24 MA-L 🇺🇸 Addlogix 00:12:96:00:00:00 /24 MA-L 🇺🇸 AddOn Computer 44:D5:A5:00:00:00 /24 MA-L 🇺🇸 Addonics Technologies, Inc. 00:50:C8:00:00:00 /24 MA-L 🇺🇸 ADDTRON TECHNOLOGY CO., LTD. 00:40:33:00:00:00 /24 MA-L 🇺🇸 Ademco Inc. dba ADI Global Distribution 6C:2A:DF:00:00:00 /28 MA-M 🇺🇸 Adept Systems Inc. 00:07:FC:00:00:00 /24 MA-L 🇺🇸 ADEPT TECHNOLOGY 00:10:EA:00:00:00 /24 MA-L 🇺🇸 Adero Inc A0:34:1B:00:00:00 /24 MA-L 🇺🇸 Adescom Inc. 00:50:C2:10:40:00 /36 IAB 🇺🇸 Adesso, Inc 64:33:B5:20:00:00 /28 MA-M 🇺🇸 ADH Guardian USA 40:11:75:90:00:00 /28 MA-M 🇺🇸 ADHOC TECHNOLOGIES 00:10:A9:00:00:00 /24 MA-L 🇺🇸 ADI Engineering, Inc. 00:08:A2:00:00:00 /24 MA-L 🇺🇸 ADI Global Distribution 0C:5C:B5:B0:00:00 /28 MA-M 🇺🇸 ADL Embedded Solutions, Inc. EC:42:F0:00:00:00 /24 MA-L 🇺🇸 ADMTEK INCORPORATED 00:E0:92:00:00:00 /24 MA-L 🇺🇸 ADOBE SYSTEMS, INC. 00:40:18:00:00:00 /24 MA-L
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