macadress

Vendor directory

17,375 blocks registered in United States.

Page 145 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 blocks17,375
MA-L count13,543
MA-M count976
MA-S count1,468
IAB count1,289
CID count99
Total address capacity229,909,483,520
Last changed hereSep 1, 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 Networks211
Amazon Technologies Inc.204
Dell Inc.184
Hewlett Packard Enterprise176
Silicon Laboratories154
Organization Prefix Type
🇺🇸 Silicon Laboratories F4:01:CC:00:00:00 /24 MA-L 🇺🇸 Silicon Laboratories F4:B3:B1:00:00:00 /24 MA-L 🇺🇸 Silicon Laboratories F8:44:77:00:00:00 /24 MA-L 🇺🇸 Silicon Laboratories F8:C3:62:00:00:00 /24 MA-L 🇺🇸 Silicon Laboratories FC:11:19:00:00:00 /24 MA-L 🇺🇸 Silicon Laboratories FC:4D:6A:00:00:00 /24 MA-L 🇺🇸 Silicon Turnkey Express, LLC 00:1E:59:00:00:00 /24 MA-L 🇺🇸 SILICON VALLEY COMPUTER 00:C0:AA:00:00:00 /24 MA-L 🇺🇸 Silicon Valley Global Marketing D8:46:06:00:00:00 /24 MA-L 🇺🇸 silicon valley immigration service 28:84:0E:00:00:00 /24 MA-L 🇺🇸 Silicon Wave, Inc. 00:03:3A:00:00:00 /24 MA-L 🇺🇸 SiliconStor, Inc. 00:16:E1:00:00:00 /24 MA-L 🇺🇸 Silver Palm Technologies LLC 48:EE:07:00:00:00 /24 MA-L 🇺🇸 Silver Peak Systems, Inc. 00:1B:BC:00:00:00 /24 MA-L 🇺🇸 Silver Spring Networks, Inc 00:13:50:00:00:00 /24 MA-L 🇺🇸 Silverback Systems 00:50:C2:23:40:00 /36 IAB 🇺🇸 SilverPlus, Inc 60:0F:77:00:00:00 /24 MA-L 🇺🇸 Silvershore Technology Partners 54:94:78:00:00:00 /24 MA-L 🇺🇸 Silvus technologies inc C4:7C:8D:A0:00:00 /28 MA-M 🇺🇸 SiMa.ai 68:E1:54:00:00:00 /24 MA-L 🇺🇸 Simon-Kaloi Engineering F4:1E:26:00:00:00 /24 MA-L 🇺🇸 SIMPACT 00:00:3E:00:00:00 /24 MA-L 🇺🇸 Simple Devices, Inc. 00:07:94:00:00:00 /24 MA-L 🇺🇸 Simple Network Magic Corporation 00:50:C2:06:10:00 /36 IAB 🇺🇸 SIMPLE TECHNOLOGY 00:20:05:00:00:00 /24 MA-L 🇺🇸 Simple Things B0:FF:72:A0:00:00 /28 MA-M 🇺🇸 Simple Works, Inc. 70:B3:D5:AA:00:00 /36 MA-S 🇺🇸 SimpleComTools 00:1B:23:00:00:00 /24 MA-L 🇺🇸 Simplified MFG 70:B3:D5:66:F0:00 /36 MA-S 🇺🇸 SimpliSafe F8:51:28:00:00:00 /24 MA-L 🇺🇸 SIMTEK INC. 00:50:C2:68:B0:00 /36 IAB 🇺🇸 SIMULATION LABORATORIES, INC. 00:90:10:00:00:00 /24 MA-L 🇺🇸 Sincair Systems International 00:50:C2:F8:20:00 /36 IAB 🇺🇸 Sine Systems, Inc. 00:50:C2:DA:80:00 /36 IAB 🇺🇸 SiNett Corporation 00:12:2D:00:00:00 /24 MA-L 🇺🇸 Single Digits 3A:F5:21:00:00:00 /24 CID 🇺🇸 SIONYX, LLC D0:A0:11:00:00:00 /28 MA-M 🇺🇸 Sipod Inc. F0:BD:F1:00:00:00 /24 MA-L 🇺🇸 SiRF Technology, Inc. 00:16:C4:00:00:00 /24 MA-L 🇺🇸 Sirit Inc 00:17:9E:00:00:00 /24 MA-L 🇺🇸 Sirius XM Radio Inc 28:AF:0A:00:00:00 /24 MA-L 🇺🇸 SISS Technology Inc. 00:50:C2:BA:90:00 /36 IAB 🇺🇸 Sitara Networks, Inc. 00:01:AC:00:00:00 /24 MA-L 🇺🇸 Sitera, Inc. 00:01:E4:00:00:00 /24 MA-L 🇺🇸 siXis, Inc. 00:50:C2:B3:90:00 /36 IAB 🇺🇸 Skip Innovations, Inc 8C:1F:64:BD:A0:00 /36 MA-S 🇺🇸 SkipJam 00:50:C2:33:C0:00 /36 IAB 🇺🇸 Skiva Technologies, Inc. 8C:3C:07:00:00:00 /24 MA-L 🇺🇸 Skorpios Technologies 18:39:9C:00:00:00 /24 MA-L 🇺🇸 Skreens 70:B3:D5:EB:70:00 /36 MA-S 🇺🇸 Skullcandy 38:F3:2E:00:00:00 /24 MA-L 🇺🇸 Skullcandy 5C:44:3E:00:00:00 /24 MA-L 🇺🇸 Skullcandy 60:C5:E6:00:00:00 /24 MA-L 🇺🇸 Skullcandy 88:08:94:00:00:00 /24 MA-L 🇺🇸 Skullcandy 8C:0D:D9:00:00:00 /24 MA-L 🇺🇸 Skullcandy 98:67:2E:00:00:00 /24 MA-L 🇺🇸 Skullcandy D0:8A:55:00:00:00 /24 MA-L 🇺🇸 Skullcandy E8:8F:16:00:00:00 /24 MA-L 🇺🇸 SKY Computers, Inc. 00:50:C2:1F:10:00 /36 IAB 🇺🇸 Sky-Skan, Incorporated 00:50:C2:75:E0:00 /36 IAB 🇺🇸 SkyBell Technologies Inc. 68:F0:D0:00:00:00 /24 MA-L 🇺🇸 SkyBell Technologies Inc. 9C:54:DA:00:00:00 /24 MA-L 🇺🇸 SKYBELL, INC D0:C1:93:00:00:00 /24 MA-L 🇺🇸 Skydio Inc. 38:1D:14:00:00:00 /24 MA-L 🇺🇸 Skyera, Inc. 4C:CA:53:00:00:00 /24 MA-L 🇺🇸 Skyfri Corp D4:A0:FB:70:00:00 /28 MA-M 🇺🇸 SkyHawke Technologies, LLC 84:30:E5:00:00:00 /24 MA-L 🇺🇸 SkyHawke Technologies, LLC. E8:CE:06:00:00:00 /24 MA-L 🇺🇸 Skylark Wireless LLC 38:3A:21:90:00:00 /28 MA-M 🇺🇸 Skylight 74:A2:35:60:00:00 /28 MA-M 🇺🇸 Skylight 78:78:35:A0:00:00 /28 MA-M 🇺🇸 Skylight CC:E7:DE:60:00:00 /28 MA-M 🇺🇸 Skyline Products, Inc 00:50:C2:67:10:00 /36 IAB 🇺🇸 Skymira 8C:1F:64:9F:10:00 /36 MA-S 🇺🇸 SkyMirr B0:BC:8E:00:00:00 /24 MA-L 🇺🇸 Skyriver Communications Inc. 70:B3:D5:C2:20:00 /36 MA-S 🇺🇸 Skyrockettoys LLC 28:F5:37:D0:00:00 /28 MA-M 🇺🇸 SKYSTREAM, INC. 00:30:1D:00:00:00 /24 MA-L 🇺🇸 Skytap A0:B9:ED:00:00:00 /24 MA-L 🇺🇸 SL USA, LLC 8C:1F:64:CE:40:00 /36 MA-S 🇺🇸 slash dev slash agents, inc 14:D5:C6:00:00:00 /24 MA-L 🇺🇸 Sleep Number 80:16:09:00:00:00 /24 MA-L 🇺🇸 Sleep Number E0:23:D7:00:00:00 /24 MA-L 🇺🇸 Sleep Number 18:45:B3:E0:00:00 /28 MA-M 🇺🇸 Slim Devices, Inc. 00:04:20:00:00:00 /24 MA-L 🇺🇸 Sling Media, Inc. 00:13:B6:00:00:00 /24 MA-L 🇺🇸 SmallHD E4:4C:C7:B0:00:00 /28 MA-M 🇺🇸 SMAR Laboratories Corp. 00:30:5C:00:00:00 /24 MA-L 🇺🇸 Smardii 0A:36:1C:00:00:00 /24 CID 🇺🇸 Smart Access Designs, LLC F4:97:9D:80:00:00 /28 MA-M 🇺🇸 Smart Controls LLC 70:B3:D5:19:90:00 /36 MA-S 🇺🇸 Smart Embedded Systems 70:B3:D5:A0:90:00 /36 MA-S 🇺🇸 Smart Gadgets Global LLC F0:40:AF:50:00:00 /28 MA-M 🇺🇸 SMART High Reliability Solutions, Inc. 38:C9:A9:00:00:00 /24 MA-L 🇺🇸 Smart Innovation LLC 10:2C:B1:00:00:00 /24 MA-L 🇺🇸 SMART Modular Technologies 00:05:16:00:00:00 /24 MA-L 🇺🇸 Smart Solution, Inc 00:0D:23:00:00:00 /24 MA-L 🇺🇸 SMART Storage Systems 00:11:73:00:00:00 /24 MA-L 🇺🇸 Smart Tech Inc 8C:1F:64:28:50:00 /36 MA-S 🇺🇸 SMART Temps LLC 00:26:02:00:00:00 /24 MA-L
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