macadress

Vendor directory

17,372 blocks registered in United States.

Page 104 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
🇺🇸 KENTEK INFORMATION SYSTEMS,INC 00:40:6A:00:00:00 /24 MA-L 🇺🇸 Kentrox, LLC 00:20:5B:00:00:00 /24 MA-L 🇺🇸 KERBANGO, INC. 00:30:27:00:00:00 /24 MA-L 🇺🇸 Keri Systems, Inc 00:14:34:00:00:00 /24 MA-L 🇺🇸 Kessler Crane Inc. 3C:57:BD:00:00:00 /24 MA-L 🇺🇸 KESTREL SOLUTIONS 00:50:75:00:00:00 /24 MA-L 🇺🇸 Ketra, Inc. A4:9D:49:00:00:00 /24 MA-L 🇺🇸 KEVCOM LLC 3A:0E:75:00:00:00 /24 CID 🇺🇸 Key Chemical & Equipment Company 70:B3:D5:42:70:00 /36 MA-S 🇺🇸 Key Digital Systems 60:89:B1:00:00:00 /24 MA-L 🇺🇸 Key Systems , Inc. 00:50:C2:3D:80:00 /36 IAB 🇺🇸 Key Systems, Inc. 00:50:C2:D2:F0:00 /36 IAB 🇺🇸 Key Systems, Inc. 40:D8:55:14:10:00 /36 IAB 🇺🇸 Key Technology, Inc. 00:08:10:00:00:00 /24 MA-L 🇺🇸 KeyEye Communications 00:13:A4:00:00:00 /24 MA-L 🇺🇸 Keysight Technologies, Inc. 00:1A:C5:00:00:00 /24 MA-L 🇺🇸 Keysight Technologies, Inc. 00:1B:6E:00:00:00 /24 MA-L 🇺🇸 Keysight Technologies, Inc. 2C:D1:DA:00:00:00 /24 MA-L 🇺🇸 Keysight Technologies, Inc. 80:09:02:00:00:00 /24 MA-L 🇺🇸 KeyW Corporation 70:B3:D5:7C:B0:00 /36 MA-S 🇺🇸 KeyWest Networks, Inc 1C:82:59:B0:00:00 /28 MA-M 🇺🇸 KidKraft C0:61:9A:10:00:00 /28 MA-M 🇺🇸 Kiio Inc 34:82:DE:00:00:00 /24 MA-L 🇺🇸 Kimball Electronics Group, LLC 1C:13:38:00:00:00 /24 MA-L 🇺🇸 KIMPSION INTERNATIONAL CORP. 00:40:D3:00:00:00 /24 MA-L 🇺🇸 KIMTRON CORPORATION 00:80:D1:00:00:00 /24 MA-L 🇺🇸 KINEMETRICS 70:B3:D5:CE:90:00 /36 MA-S 🇺🇸 Kinemetrics, Inc. 00:50:C2:5A:C0:00 /36 IAB 🇺🇸 Kinemetrics, Inc. 8C:1F:64:B5:00:00 /36 MA-S 🇺🇸 Kinestral Technologies, Inc. CC:94:70:00:00:00 /24 MA-L 🇺🇸 Kinetek Sports 60:50:C1:00:00:00 /24 MA-L 🇺🇸 Kinetic Technologies D4:9B:74:00:00:00 /24 MA-L 🇺🇸 Kinetic Technologies 8C:1F:64:32:40:00 /36 MA-S 🇺🇸 Kinetics 08:00:89:00:00:00 /24 MA-L 🇺🇸 Kingston Technology Company, Inc. 00:26:B7:00:00:00 /24 MA-L 🇺🇸 Kingston Technology Company, Inc. 00:C0:F0:00:00:00 /24 MA-L 🇺🇸 KingTing Tech. D8:8B:4C:00:00:00 /24 MA-L 🇺🇸 Kinney Industries, Inc 8C:1F:64:5A:60:00 /36 MA-S 🇺🇸 Kirana Networks, Inc. 00:07:DB:00:00:00 /24 MA-L 🇺🇸 Kirisun Communications Co., Ltd. 90:F3:B7:00:00:00 /24 MA-L 🇺🇸 Kisi 8C:5D:54:00:00:00 /24 MA-L 🇺🇸 KISS Teknical Solutions, Inc. 00:23:22:00:00:00 /24 MA-L 🇺🇸 Kitchen Armor 20:B3:7F:60:00:00 /28 MA-M 🇺🇸 KittyHawk Corporation 04:71:4B:C0:00:00 /28 MA-M 🇺🇸 Kivo Technology, Inc. E8:DA:00:00:00:00 /24 MA-L 🇺🇸 Kiwibit Inc. E4:E6:08:00:00:00 /24 MA-L 🇺🇸 Kiwigrid GmbH 40:D8:55:17:D0:00 /36 IAB 🇺🇸 Kiyon, Inc. 00:17:6B:00:00:00 /24 MA-L 🇺🇸 KLA INSTRUMENTS CORPORATION 00:40:64:00:00:00 /24 MA-L 🇺🇸 KLATU Networks Inc F8:8A:3C:20:00:00 /28 MA-M 🇺🇸 KLEVER COMPUTERS, INC. 00:40:22:00:00:00 /24 MA-L 🇺🇸 Klipsch Group, Inc. 34:3D:7F:00:00:00 /24 MA-L 🇺🇸 Kloud-12 LLC 10:06:48:E0:00:00 /28 MA-M 🇺🇸 Kloudspot Inc 20:85:93:40:00:00 /28 MA-M 🇺🇸 KMC CONTROLS 00:D0:6F:00:00:00 /24 MA-L 🇺🇸 KMS Systems, Inc. 00:50:C2:0F:20:00 /36 IAB 🇺🇸 Knit Sound Company 5C:50:D3:00:00:00 /24 MA-L 🇺🇸 Knovative, Inc. 00:0E:B7:00:00:00 /24 MA-L 🇺🇸 Knowles Electronics LLC 28:36:38:00:00:00 /28 MA-M 🇺🇸 Knox Company 40:ED:98:30:00:00 /28 MA-M 🇺🇸 KoamTac 7C:20:48:00:00:00 /24 MA-L 🇺🇸 Koco Motion US LLC 70:B3:D5:70:70:00 /36 MA-S 🇺🇸 Kodeos Communications 00:0B:73:00:00:00 /24 MA-L 🇺🇸 KODIAK TECHNOLOGY 00:80:1B:00:00:00 /24 MA-L 🇺🇸 KOFAX IMAGE PRODUCTS 00:A0:5A:00:00:00 /24 MA-L 🇺🇸 Kogniza Inc. 48:C0:30:00:00:00 /24 MA-L 🇺🇸 Kohler Co 00:14:6F:00:00:00 /24 MA-L 🇺🇸 Kohler Ventures, Inc. E8:45:EB:00:00:00 /24 MA-L 🇺🇸 KOKKIA INC F8:8A:3C:50:00:00 /28 MA-M 🇺🇸 Koko Fitness, Inc. 00:16:EF:00:00:00 /24 MA-L 🇺🇸 Kollmorgen Corp 00:10:DA:00:00:00 /24 MA-L 🇺🇸 Komodo Technology 00:01:2D:00:00:00 /24 MA-L 🇺🇸 Konami Gaming Inc 70:5C:AD:00:00:00 /24 MA-L 🇺🇸 Koncept International, Inc. 00:14:2C:00:00:00 /24 MA-L 🇺🇸 Kongsberg Intergrated Tactical Systems 70:B3:D5:EF:20:00 /36 MA-S 🇺🇸 KonnectONE, LLC 94:A3:CA:00:00:00 /24 MA-L 🇺🇸 Kontron America, Inc. 00:10:13:00:00:00 /24 MA-L 🇺🇸 KoolSpan, Inc. 00:50:C2:34:80:00 /36 IAB 🇺🇸 Kooltech LLC 00:50:C2:48:40:00 /36 IAB 🇺🇸 Koos Technical Services, Inc. 00:22:63:00:00:00 /24 MA-L 🇺🇸 Kopis Mobile LLC 70:B3:D5:A0:60:00 /36 MA-S 🇺🇸 Koss Corporation C0:22:50:00:00:00 /24 MA-L 🇺🇸 KOVE 4C:73:A5:00:00:00 /24 MA-L 🇺🇸 Kozio, Inc. 00:1E:C3:00:00:00 /24 MA-L 🇺🇸 Kozumi USA Corp. 00:26:CE:00:00:00 /24 MA-L 🇺🇸 Kranze Technology Solutions, Inc. 90:A9:F7:B0:00:00 /28 MA-M 🇺🇸 Kranze Technology Solutions, Inc. 70:B3:D5:C1:D0:00 /36 MA-S 🇺🇸 KRONOTECH SRL 40:D8:55:1A:10:00 /36 IAB 🇺🇸 krtkl inc. 6C:5C:3D:A0:00:00 /28 MA-M 🇺🇸 KSH International Co., Ltd. 24:81:AA:00:00:00 /24 MA-L 🇺🇸 Ktech Telecommunications Inc 00:12:99:00:00:00 /24 MA-L 🇺🇸 KTI 00:00:EF:00:00:00 /24 MA-L 🇺🇸 Kubu, Inc. 70:B3:D5:19:C0:00 /36 MA-S 🇺🇸 Kulite Semiconductor Products Inc 9C:31:B6:00:00:00 /24 MA-L 🇺🇸 KulpLights LLC 94:3E:FD:D0:00:00 /28 MA-M 🇺🇸 Kumu Networks 70:B3:D5:01:C0:00 /36 MA-S 🇺🇸 Kuokoa Networks 00:06:9F:00:00:00 /24 MA-L 🇺🇸 KUSTOM SIGNALS INC 58:E8:76:C0:00:00 /28 MA-M 🇺🇸 KVB/ANALECT 00:A0:64:00:00:00 /24 MA-L 🇺🇸 KVH Industries, Inc. CC:50:1C:00:00:00 /24 MA-L
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