Vendor directory
17,372 blocks registered in United States.
Page 97 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
| Organization | Blocks |
|---|---|
| Apple, Inc. | 1,553 |
| Cisco Systems, Inc | 1,247 |
| IEEE Registration Authority | 436 |
| Texas Instruments | 392 |
| Commscope | 345 |
| Juniper Networks | 209 |
| Amazon Technologies Inc. | 204 |
| Dell Inc. | 184 |
| Hewlett Packard Enterprise | 176 |
| Silicon Laboratories | 154 |
Organization
Prefix
Type
🇺🇸 INFRASAFE/ ADVANTOR SYSTEMS
70:B3:D5:C3:20:00 /36
MA-S
🇺🇸 INFRASAFE/ ADVANTOR SYSTEMS
8C:1F:64:97:10:00 /36
MA-S
🇺🇸 Ingenious Technology LLC
8C:1F:64:57:30:00 /36
MA-S
🇺🇸 Ingersoll Rand
EC:5B:CD:10:00:00 /28
MA-M
🇺🇸 Ingersoll-Rand
00:02:31:00:00:00 /24
MA-L
🇺🇸 Ingersoll-Rand
50:19:11:30:00:00 /28
MA-M
🇺🇸 Ingersoll-Rand
F8:75:28:E0:00:00 /28
MA-M
🇺🇸 InGrid, Inc
00:17:07:00:00:00 /24
MA-L
🇺🇸 Inhand Electronics, Inc.
00:23:D2:00:00:00 /24
MA-L
🇺🇸 Inhand Electronics, Inc.
00:50:C2:39:80:00 /36
IAB
🇺🇸 InHand Networks, INC.
EC:6E:79:00:00:00 /24
MA-L
🇺🇸 INITIO CORPORATION
00:10:10:00:00:00 /24
MA-L
🇺🇸 Inkra Networks, Inc.
00:04:11:00:00:00 /24
MA-L
🇺🇸 InMage Systems Inc
00:23:83:00:00:00 /24
MA-L
🇺🇸 Inncom International, Inc.
00:06:05:00:00:00 /24
MA-L
🇺🇸 InnerSpace
00:25:CE:00:00:00 /24
MA-L
🇺🇸 Innerspec Technologies Inc.
70:B3:D5:79:A0:00 /36
MA-S
🇺🇸 InnerWireless
00:14:7E:00:00:00 /24
MA-L
🇺🇸 Innoflight, Inc.
BC:31:98:C0:00:00 /28
MA-M
🇺🇸 Innoflight, Inc.
70:B3:D5:BB:70:00 /36
MA-S
🇺🇸 Innogrit Corporation
A8:43:97:00:00:00 /24
MA-L
🇺🇸 Innolight Technology Corporation
44:7C:7F:00:00:00 /24
MA-L
🇺🇸 InnoMedia, Inc.
00:10:99:00:00:00 /24
MA-L
🇺🇸 Innometriks Inc
F8:4A:7F:00:00:00 /24
MA-L
🇺🇸 Innominds Software Inc
18:9B:A5:40:00:00 /28
MA-M
🇺🇸 Innominds Software Inc
70:B3:D5:0C:E0:00 /36
MA-S
🇺🇸 Innophase Inc.
E0:69:3A:00:00:00 /24
MA-L
🇺🇸 InnoSys, Inc.
00:60:01:00:00:00 /24
MA-L
🇺🇸 InnoTrans Communications, Inc
40:D8:55:14:00:00 /36
IAB
🇺🇸 InnoTrans Communications, Inc.
00:50:C2:88:10:00 /36
IAB
🇺🇸 INNOVA CORP.
00:E0:E2:00:00:00 /24
MA-L
🇺🇸 Innovar Systems Limited
00:24:DA:00:00:00 /24
MA-L
🇺🇸 INNOVAT COMMUNICATIONS, INC.
00:E0:EA:00:00:00 /24
MA-L
🇺🇸 Innovation Institute, Inc.
00:50:C2:0D:F0:00 /36
IAB
🇺🇸 Innovation Wireless
1C:34:77:00:00:00 /24
MA-L
🇺🇸 Innovations in Optics, Inc.
A4:4F:29:80:00:00 /28
MA-M
🇺🇸 Innovative Advantage
FC:A4:7A:70:00:00 /28
MA-M
🇺🇸 Innovative American Technology
00:50:C2:A0:90:00 /36
IAB
🇺🇸 Innovative Computer Engineering
10:4D:77:00:00:00 /24
MA-L
🇺🇸 INNOVATIVE CONCEPTS AND DESIGN LLC
70:B3:D5:DA:F0:00 /36
MA-S
🇺🇸 Innovative Concepts, Inc.
00:01:F1:00:00:00 /24
MA-L
🇺🇸 Innovative Control Systems, LP
70:B3:D5:89:E0:00 /36
MA-S
🇺🇸 Innovative Converged Devices Inc
24:49:7B:00:00:00 /24
MA-L
🇺🇸 Innovative Electronic Designs, Inc.
00:02:C1:00:00:00 /24
MA-L
🇺🇸 Innovative Industries
8C:1F:64:4C:40:00 /36
MA-S
🇺🇸 Innovative Integration
00:11:EB:00:00:00 /24
MA-L
🇺🇸 Innovative Neurotroncs
00:50:C2:55:10:00 /36
IAB
🇺🇸 Innovative Security Designs
64:76:57:00:00:00 /24
MA-L
🇺🇸 INNOVATIVE SEMICONDUCTORS, INC
00:90:54:00:00:00 /24
MA-L
🇺🇸 Innovative Signal Analysis
8C:1F:64:1B:A0:00 /36
MA-S
🇺🇸 INNOVATIVE SYSTEMS & TECHNOLOGIES, INC.
00:A0:4C:00:00:00 /24
MA-L
🇺🇸 Innovative Systems, L.L.C.
00:30:D7:00:00:00 /24
MA-L
🇺🇸 Innovative Wireless Technologies, Inc.
00:16:1D:00:00:00 /24
MA-L
🇺🇸 INNOVEX TECHNOLOGIES, INC.
00:10:A0:00:00:00 /24
MA-L
🇺🇸 Innovics Wireless Inc
00:50:C2:21:00:00 /36
IAB
🇺🇸 Innovolt
1C:AB:01:00:00:00 /24
MA-L
🇺🇸 INO Therapeutics LLC
00:23:E0:00:00:00 /24
MA-L
🇺🇸 INOVA CORPORATION
00:30:D1:00:00:00 /24
MA-L
🇺🇸 Inovaxe Corporation
AC:86:D1:30:00:00 /28
MA-M
🇺🇸 iNovo Broadband, Inc.
74:AE:76:00:00:00 /24
MA-L
🇺🇸 Inovonics
E0:0B:28:00:00:00 /24
MA-L
🇺🇸 Inovonics Inc.
8C:1F:64:F5:90:00 /36
MA-S
🇺🇸 InoxSmart by Unison Hardware
5C:5C:75:A0:00:00 /28
MA-M
🇺🇸 InPhase Technologies
00:1D:62:00:00:00 /24
MA-L
🇺🇸 Inphi Corporation
00:21:B8:00:00:00 /24
MA-L
🇺🇸 Inphi Corporation
70:B3:D5:37:00:00 /36
MA-S
🇺🇸 Input/Output, Inc.
00:60:B1:00:00:00 /24
MA-L
🇺🇸 INRange Systems, Inc
00:21:F4:00:00:00 /24
MA-L
🇺🇸 Inscape Data Corporation
00:24:CF:00:00:00 /24
MA-L
🇺🇸 InSeat Solutions, LLC
1C:FD:08:00:00:00 /28
MA-M
🇺🇸 Inseego Wireless, Inc
00:15:FF:00:00:00 /24
MA-L
🇺🇸 Inseego Wireless, Inc
18:EE:86:00:00:00 /24
MA-L
🇺🇸 Inseego Wireless, Inc
28:80:A2:00:00:00 /24
MA-L
🇺🇸 Inseego Wireless, Inc
78:0C:71:00:00:00 /24
MA-L
🇺🇸 Inseego Wireless, Inc
E0:86:14:00:00:00 /24
MA-L
🇺🇸 Insensi
4C:A9:28:00:00:00 /24
MA-L
🇺🇸 Insight Energy Ventures LLC
04:21:4C:00:00:00 /24
MA-L
🇺🇸 Insigma Inc
48:E6:95:00:00:00 /24
MA-L
🇺🇸 Insigma Inc
1C:CA:E3:20:00:00 /28
MA-M
🇺🇸 Insitu Inc.
70:B3:D5:D3:60:00 /36
MA-S
🇺🇸 Insitu, Inc
00:50:C2:C3:50:00 /36
IAB
🇺🇸 Insitu, Inc
00:50:C2:FD:40:00 /36
IAB
🇺🇸 Insitu, Inc
70:B3:D5:7A:D0:00 /36
MA-S
🇺🇸 Insitu, Inc
70:B3:D5:B3:B0:00 /36
MA-S
🇺🇸 Insitu, Inc
70:B3:D5:DD:20:00 /36
MA-S
🇺🇸 Insitu, Inc.
70:B3:D5:86:50:00 /36
MA-S
🇺🇸 Inspired Flight
34:B5:F3:20:00:00 /28
MA-M
🇺🇸 Instawork
8C:1F:64:61:40:00 /36
MA-S
🇺🇸 Instec, Inc.
70:B3:D5:22:F0:00 /36
MA-S
🇺🇸 Instrument Development Group (IDG) at Johns Hopkins University
8C:1F:64:CF:E0:00 /36
MA-S
🇺🇸 Instrumentation Technology Systems
00:26:A2:00:00:00 /24
MA-L
🇺🇸 Insulet Corporation
64:00:9C:00:00:00 /24
MA-L
🇺🇸 INSYSTEC
08:00:52:00:00:00 /24
MA-L
🇺🇸 INTEG process group inc
9C:8D:1A:00:00:00 /24
MA-L
🇺🇸 Intego Systems, Inc.
00:1D:F1:00:00:00 /24
MA-L
🇺🇸 IntegraOptics
C8:DE:51:00:00:00 /24
MA-L
🇺🇸 Integrated Control Corp.
00:50:C2:B1:B0:00 /36
IAB
🇺🇸 Integrated Automation Solutions
00:50:C2:00:20:00 /36
IAB
🇺🇸 INTEGRATED CIRCUIT SYSTEMS, INC. COMMUNICATIONS GROUP
00:A0:BE:00:00:00 /24
MA-L
🇺🇸 Integrated Control Corp.
40:D8:55:02:80:00 /36
IAB