macadress

Vendor directory

17,500 blocks registered in United States.

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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
🇺🇸 ALTA TECHNOLOGY 00:10:32:00:00:00 /24 MA-L 🇺🇸 ALTEC LANSING LLC 30:41:74:00:00:00 /24 MA-L 🇺🇸 Altech Controls 00:0C:40:00:00:00 /24 MA-L 🇺🇸 ALTEK ELECTRONICS 00:50:C2:8A:80:00 /36 IAB 🇺🇸 ALTEON NETWORKS, INC. 00:60:CF:00:00:00 /24 MA-L 🇺🇸 Altera Corporation 00:07:ED:00:00:00 /24 MA-L 🇺🇸 AlterG, Inc. A4:11:63:40:00:00 /28 MA-M 🇺🇸 Altierre 28:C7:18:00:00:00 /24 MA-L 🇺🇸 Altierre 00:50:C2:C0:C0:00 /36 IAB 🇺🇸 ALTIGA NETWORKS 00:90:A4:00:00:00 /24 MA-L 🇺🇸 AltiGen Communications Inc. 00:0A:AA:00:00:00 /24 MA-L 🇺🇸 Altinex, Inc 00:50:C2:AD:F0:00 /36 IAB 🇺🇸 Alto Aviation 70:B3:D5:D0:F0:00 /36 MA-S 🇺🇸 ALTOS COMPUTER SYSTEMS 00:00:C8:00:00:00 /24 MA-L 🇺🇸 Altronic, Inc. 00:50:C2:41:D0:00 /36 IAB 🇺🇸 Altronic, LLC BC:FE:8C:00:00:00 /24 MA-L 🇺🇸 Altronix , Corp B8:4C:87:A0:00:00 /28 MA-M 🇺🇸 Altronix Corporation BC:34:00:30:00:00 /28 MA-M 🇺🇸 Altronix Corporation 00:50:C2:BF:C0:00 /36 IAB 🇺🇸 Alula 54:21:60:00:00:00 /24 MA-L 🇺🇸 Always On Wireless 00:13:06:00:00:00 /24 MA-L 🇺🇸 Always On Wireless 00:50:C2:36:90:00 /36 IAB 🇺🇸 Alyrica Networks 00:50:C2:EA:E0:00 /36 IAB 🇺🇸 AM Communications, Inc. 00:03:08:00:00:00 /24 MA-L 🇺🇸 AM General LLC 94:3E:FD:50:00:00 /28 MA-M 🇺🇸 Amada Miyachi America Inc. 70:B3:D5:7B:60:00 /36 MA-S 🇺🇸 AMATI COMMUNICATIONS CORP. 00:60:C7:00:00:00 /24 MA-L 🇺🇸 Amatis Controls 88:A3:CC:00:00:00 /24 MA-L 🇺🇸 AMAZING CONTROLS! INC. 00:E0:08:00:00:00 /24 MA-L 🇺🇸 Amazon Robotics MTAC Matrix NPI 8C:1F:64:DC:40:00 /36 MA-S 🇺🇸 Amazon Technologies Inc. 00:71:47:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 00:86:21:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 00:BB:3A:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 00:F3:61:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 00:FC:8B:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:12:A5:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:57:FB:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:6A:E5:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:7B:0F:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:7C:39:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:84:9D:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:91:15:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:91:A3:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:A6:BC:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 08:C2:24:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 0C:43:F9:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 0C:47:C9:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 0C:DC:91:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 0C:EE:99:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 10:09:F9:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 10:96:93:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 10:AE:60:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 10:BF:67:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 10:CE:02:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 14:0A:C5:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 14:91:38:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 18:0B:1B:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 18:48:BE:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 18:74:2E:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 1C:12:B0:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 1C:4D:66:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 1C:93:C4:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 1C:FE:2B:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 20:10:B1:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 20:A1:71:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 20:BE:B8:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 20:D4:76:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 20:FE:00:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 24:4C:E3:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 24:CE:33:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 28:24:C9:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 28:73:F6:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 28:EF:01:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 2C:71:FF:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 30:4D:1F:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 34:25:BE:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 34:AF:B3:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 34:D2:70:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 38:6F:F4:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 38:F7:3D:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 3C:5C:C4:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 3C:E4:41:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 40:89:C6:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 40:A2:DB:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 40:A9:CF:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 40:B4:CD:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 40:F6:BC:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:00:49:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:3D:54:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:42:01:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:65:0D:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:6D:7F:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:7B:45:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:B4:B2:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 44:D5:CC:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 48:43:DD:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 48:5F:2D:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 48:78:5E:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 48:B4:23:00:00:00 /24 MA-L 🇺🇸 Amazon Technologies Inc. 4C:17:44:00:00:00 /24 MA-L
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