macadress

Vendor directory

17,372 blocks registered in United States.

Page 126 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 blocks17,372
MA-L count13,540
MA-M count976
MA-S count1,468
IAB count1,289
CID count99
Total address capacity229,859,151,872
Last changed hereAug 29, 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 Networks209
Amazon Technologies Inc.204
Dell Inc.184
Hewlett Packard Enterprise176
Silicon Laboratories154
Organization Prefix Type
🇺🇸 Owl Labs BC:D7:13:00:00:00 /24 MA-L 🇺🇸 OWLink Technology Inc C4:C1:38:00:00:00 /24 MA-L 🇺🇸 Oxide Computer Company A8:40:25:00:00:00 /24 MA-L 🇺🇸 Oxit, LLC D8:54:82:00:00:00 /24 MA-L 🇺🇸 OXY TECHNOLOGY USA LLC 8C:1F:64:EA:00:00 /36 MA-S 🇺🇸 Oxygnet 00:0B:50:00:00:00 /24 MA-L 🇺🇸 OzVision America LLC 38:BB:23:00:00:00 /24 MA-L 🇺🇸 P&E Microcomputer Systems, Inc. 00:0D:01:00:00:00 /24 MA-L 🇺🇸 P-COM, INC. 00:10:7C:00:00:00 /24 MA-L 🇺🇸 P.A. Semi, Inc. 00:14:1E:00:00:00 /24 MA-L 🇺🇸 PAC Labs 00:01:26:00:00:00 /24 MA-L 🇺🇸 Pace Americas AC:5D:10:00:00:00 /24 MA-L 🇺🇸 Pace-O-Matic, Inc. 78:D3:4F:00:00:00 /24 MA-L 🇺🇸 Pacific Biosciences 00:24:08:00:00:00 /24 MA-L 🇺🇸 Pacific Broadband Communications 00:03:04:00:00:00 /24 MA-L 🇺🇸 Pacific Coast Engineering 00:50:C2:CA:D0:00 /36 IAB 🇺🇸 PACIFIC COMMUNICATION SCIENCES 00:20:24:00:00:00 /24 MA-L 🇺🇸 Pacific Instruments, Inc. 00:05:C3:00:00:00 /24 MA-L 🇺🇸 PACIFIC MICRO DATA, INC. 00:60:AF:00:00:00 /24 MA-L 🇺🇸 PACIFIC RESEARCH & ENGINEERING CORPORATION 00:90:61:00:00:00 /24 MA-L 🇺🇸 Package Guard, Inc F8:B5:68:60:00:00 /28 MA-M 🇺🇸 Package Guard, Inc 70:B3:D5:87:80:00 /36 MA-S 🇺🇸 PACKARD BELL ELEC., INC. 00:20:09:00:00:00 /24 MA-L 🇺🇸 Packet Design, Inc. 80:47:31:00:00:00 /24 MA-L 🇺🇸 Packet Digital, LLC 8C:1F:64:DC:30:00 /36 MA-S 🇺🇸 Packet Forensics LLC 00:23:56:00:00:00 /24 MA-L 🇺🇸 Packet Island Inc. 00:50:C2:4F:10:00 /36 IAB 🇺🇸 Packet Plus, Inc. 00:50:C2:F1:30:00 /36 IAB 🇺🇸 Packet Power 70:B3:D5:B5:40:00 /36 MA-S 🇺🇸 Packet Techniques Inc. 00:50:C2:29:A0:00 /36 IAB 🇺🇸 PacketAccess 98:C8:45:00:00:00 /24 MA-L 🇺🇸 PacketAir Networks, Inc. 00:06:35:00:00:00 /24 MA-L 🇺🇸 Packetalk LLC 8C:1F:64:5C:E0:00 /36 MA-S 🇺🇸 Packetalk LLC 8C:1F:64:D6:C0:00 /36 MA-S 🇺🇸 PACKETEER, INC. 00:60:FB:00:00:00 /24 MA-L 🇺🇸 PacketFlux Technologies, Inc. 00:1F:6A:00:00:00 /24 MA-L 🇺🇸 PacketHop, Inc. 00:15:2E:00:00:00 /24 MA-L 🇺🇸 PacketMotion, Inc. 00:13:6F:00:00:00 /24 MA-L 🇺🇸 PacketStorm Communications 68:DC:E8:00:00:00 /24 MA-L 🇺🇸 PacStar Corp. 00:1A:61:00:00:00 /24 MA-L 🇺🇸 Pactron 38:3A:21:B0:00:00 /28 MA-M 🇺🇸 PAGINE CORPORATION 00:40:D2:00:00:00 /24 MA-L 🇺🇸 PAIRGAIN TECHNOLOGIES, INC. 00:20:A7:00:00:00 /24 MA-L 🇺🇸 Pakedge Device and Software Inc C4:BB:EA:00:00:00 /24 MA-L 🇺🇸 Pakedge Device and Software Inc. 90:A7:C1:00:00:00 /24 MA-L 🇺🇸 PAL Pacific Inc. 00:0F:81:00:00:00 /24 MA-L 🇺🇸 Palarum LLC 70:B3:D5:45:A0:00 /36 MA-S 🇺🇸 Palltronics, Inc. 0C:95:15:00:00:00 /24 MA-L 🇺🇸 Palm Inc. 00:07:E0:00:00:00 /24 MA-L 🇺🇸 Palm Solutions Group 00:50:C2:1C:40:00 /36 IAB 🇺🇸 Palm Wireless, Inc. 00:04:6B:00:00:00 /24 MA-L 🇺🇸 Palm, Inc 00:1D:FE:00:00:00 /24 MA-L 🇺🇸 Palm, Inc. 00:50:C2:0D:40:00 /36 IAB 🇺🇸 Palmmicro Communications Inc 00:09:45:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 00:1B:17:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 00:86:9C:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 00:DA:27:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 04:47:2A:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 08:03:42:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 08:30:6B:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 08:66:1F:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 1C:CF:82:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 24:0B:0A:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 34:E5:EC:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 3C:FA:30:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 58:49:3B:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 58:76:9C:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 5C:58:E6:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 60:15:2B:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 64:7C:E8:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 78:6D:94:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 7C:89:C1:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 7C:C0:25:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 7C:C7:90:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 84:D4:12:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 8C:36:7A:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks 94:56:41:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks A0:F2:61:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks A4:27:A5:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks B4:0C:25:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks C4:24:56:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks C8:29:C8:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks CC:38:D0:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks CC:5E:A5:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks D0:55:33:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks D4:1D:71:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks D4:9C:F4:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks D4:F4:BE:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks DC:0E:96:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks E4:A7:49:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks E8:98:6D:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks EC:68:81:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks F4:D5:8A:00:00:00 /24 MA-L 🇺🇸 Palo Alto Networks FC:10:1A:00:00:00 /24 MA-L 🇺🇸 PaloDEx Group Oy 00:50:C2:65:40:00 /36 IAB 🇺🇸 Palomar Medical Technologies 90:D1:1B:00:00:00 /24 MA-L 🇺🇸 Palomar Products Inc 84:B3:86:C0:00:00 /28 MA-M 🇺🇸 Palomar Products, Inc. 00:50:C2:AF:30:00 /36 IAB 🇺🇸 Paltronics 00:1F:B9:00:00:00 /24 MA-L 🇺🇸 Paltronics, Inc. 00:50:C2:19:E0:00 /36 IAB
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