Vendor directory
17,372 blocks registered in United States.
Page 128 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
🇺🇸 Peek Traffic
40:D8:55:1B:E0:00 /36
IAB
🇺🇸 PEEK TRAFFIC
70:B3:D5:0C:70:00 /36
MA-S
🇺🇸 Peek Traffic
70:B3:D5:50:10:00 /36
MA-S
🇺🇸 PEEK TRAFFIC
70:B3:D5:68:F0:00 /36
MA-S
🇺🇸 PEEK TRAFFIC
70:B3:D5:69:10:00 /36
MA-S
🇺🇸 PEEK TRAFFIC
70:B3:D5:71:80:00 /36
MA-S
🇺🇸 Peek Traffic
70:B3:D5:87:50:00 /36
MA-S
🇺🇸 PEEK TRAFFIC
70:B3:D5:A2:80:00 /36
MA-S
🇺🇸 PEEK TRAFFIC
70:B3:D5:C3:C0:00 /36
MA-S
🇺🇸 PEEK TRAFFIC
70:B3:D5:C6:50:00 /36
MA-S
🇺🇸 Peek Traffic Corp
00:50:C2:8D:50:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:96:E0:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:AA:30:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:AD:30:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:B6:50:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:BA:80:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:BE:B0:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:C8:50:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:DB:90:00 /36
IAB
🇺🇸 Peek Traffic Corporation
00:50:C2:EC:D0:00 /36
IAB
🇺🇸 Peek Traffic Corporation
40:D8:55:08:50:00 /36
IAB
🇺🇸 Peek Traffic Corporation
40:D8:55:10:30:00 /36
IAB
🇺🇸 PEER NETWORKS, INC.
00:80:E6:00:00:00 /24
MA-L
🇺🇸 Peerbridge Health Inc
38:56:B5:00:00:00 /24
MA-L
🇺🇸 Peerless AV
AC:A4:30:00:00:00 /24
MA-L
🇺🇸 Peerless Instrument Division of Curtiss-Wright
FC:4B:57:00:00:00 /24
MA-L
🇺🇸 Peerless Systems Corporation
00:17:B5:00:00:00 /24
MA-L
🇺🇸 Pegasus Technologies Inc.
00:1A:83:00:00:00 /24
MA-L
🇺🇸 Pelago Networks
00:04:FE:00:00:00 /24
MA-L
🇺🇸 Pella Corporation
40:A3:6B:70:00:00 /28
MA-M
🇺🇸 Peloton Interactive, Inc
54:49:DF:00:00:00 /24
MA-L
🇺🇸 Peloton Interactive, Inc
AC:04:0B:00:00:00 /24
MA-L
🇺🇸 Peloton Technology
70:B3:D5:43:E0:00 /36
MA-S
🇺🇸 PEMtronics LLC
7C:83:34:20:00:00 /28
MA-M
🇺🇸 Penguin Computing
6C:64:1A:00:00:00 /24
MA-L
🇺🇸 Peninsula Systems Inc.
00:08:A5:00:00:00 /24
MA-L
🇺🇸 PENRIL DATACOMM
00:80:C0:00:00:00 /24
MA-L
🇺🇸 Pensando Systems
00:AE:CD:00:00:00 /24
MA-L
🇺🇸 Pensando Systems, Inc.
04:90:81:00:00:00 /24
MA-L
🇺🇸 PENTEK, INC.
00:60:75:00:00:00 /24
MA-L
🇺🇸 Penteon Corporation
8C:1F:64:7D:40:00 /36
MA-S
🇺🇸 People Power Company
B0:C8:AD:00:00:00 /24
MA-L
🇺🇸 PeopleNet Communication
98:5D:46:00:00:00 /24
MA-L
🇺🇸 PERACOM NETWORKS
00:50:95:00:00:00 /24
MA-L
🇺🇸 Perceptics Corp.
00:50:C2:10:F0:00 /36
IAB
🇺🇸 Perceptics, LLC
70:B3:D5:88:A0:00 /36
MA-S
🇺🇸 PERCEPTION TECHNOLOGY
00:A0:74:00:00:00 /24
MA-L
🇺🇸 Perceptive Pixel Inc.
00:50:C2:E9:30:00 /36
IAB
🇺🇸 PERCEPTRON INC
00:24:4B:00:00:00 /24
MA-L
🇺🇸 Perform3-D LLC
70:B3:D5:45:10:00 /36
MA-S
🇺🇸 Performance Analysis Broadband, Spirent plc
00:10:94:00:00:00 /24
MA-L
🇺🇸 Performance Analysis Broadband, Spirent plc
00:60:F3:00:00:00 /24
MA-L
🇺🇸 PERFORMANCE CONTROLS, INC.
70:B3:D5:8D:30:00 /36
MA-S
🇺🇸 PERFORMANCE DESIGNED PRODUCTS, LLC
EC:3E:09:00:00:00 /24
MA-L
🇺🇸 Performance Motion Devices
28:F5:37:E0:00:00 /28
MA-M
🇺🇸 Performance Motion Devices
00:50:C2:84:C0:00 /36
IAB
🇺🇸 PERFORMANCE TECHNOLOGIES, INC.
00:C0:8C:00:00:00 /24
MA-L
🇺🇸 PERFORMANCE TELECOM CORP.
00:60:A5:00:00:00 /24
MA-L
🇺🇸 PerfTech, Inc.
08:00:8A:00:00:00 /24
MA-L
🇺🇸 Peribit Networks
00:0F:5A:00:00:00 /24
MA-L
🇺🇸 PERICOM SEMICONDUCTOR CORP.
00:60:23:00:00:00 /24
MA-L
🇺🇸 PERIPHONICS CORPORATION
00:80:01:00:00:00 /24
MA-L
🇺🇸 Perkin-Elmer Incorporated
00:60:9C:00:00:00 /24
MA-L
🇺🇸 Perma-Pipe, Inc.
10:5C:3B:00:00:00 /24
MA-L
🇺🇸 PernixData
1C:33:0E:00:00:00 /24
MA-L
🇺🇸 PERQ SYSTEMS CORPORATION
00:1C:7C:00:00:00 /24
MA-L
🇺🇸 PERQ SYSTEMS CORPORATION
02:1C:7C:00:00:00 /24
MA-L
🇺🇸 Persistent Systems, LLC
00:18:A6:00:00:00 /24
MA-L
🇺🇸 PERSONAL COMMUNICATIONS TECHNOLOGIES
00:90:EE:00:00:00 /24
MA-L
🇺🇸 PESA Inc.
00:0B:3A:00:00:00 /24
MA-L
🇺🇸 PESA Inc.
00:50:C2:1A:F0:00 /36
IAB
🇺🇸 Petabit Scale, Inc.
74:D9:EB:00:00:00 /24
MA-L
🇺🇸 Peterson Electro-Musical Products, Inc.
00:01:BD:00:00:00 /24
MA-L
🇺🇸 Petra Systems
64:0D:E6:00:00:00 /24
MA-L
🇺🇸 PetroCloud LLC
9C:88:24:00:00:00 /24
MA-L
🇺🇸 Petroleum Geo-Services
2C:EE:26:00:00:00 /24
MA-L
🇺🇸 Pevco
E0:A3:0F:00:00:00 /24
MA-L
🇺🇸 PG DESIGN ELECTRONICS, INC.
00:50:23:00:00:00 /24
MA-L
🇺🇸 PH Technical Labs
40:A3:6B:90:00:00 /28
MA-M
🇺🇸 Phantom Technologies LLC
00:13:8B:00:00:00 /24
MA-L
🇺🇸 PharmaSmart LLC
00:24:11:00:00:00 /24
MA-L
🇺🇸 Pharsighted LLC
8C:1F:64:46:A0:00 /36
MA-S
🇺🇸 Phase IV Engineering Inc.
00:50:C2:1D:40:00 /36
IAB
🇺🇸 PhaseSpace
10:E8:EE:00:00:00 /24
MA-L
🇺🇸 PHAST CORPORATION
00:60:9F:00:00:00 /24
MA-L
🇺🇸 PHAZR Inc.
3C:10:E6:00:00:00 /24
MA-L
🇺🇸 Phihong USA Corp.
00:24:6E:00:00:00 /24
MA-L
🇺🇸 Philips
00:05:4E:00:00:00 /24
MA-L
🇺🇸 PHILIPS BROADBAND NETWORKS
00:50:09:00:00:00 /24
MA-L
🇺🇸 Philips Healthcare PCCI
7C:94:B2:00:00:00 /24
MA-L
🇺🇸 Philips Lifeline
24:C4:2F:00:00:00 /24
MA-L
🇺🇸 Philips Medical Systems - Cardiac and Monitoring Systems (CM
00:09:5C:00:00:00 /24
MA-L
🇺🇸 Philips Oral Healthcare, Inc.
24:E5:AA:00:00:00 /24
MA-L
🇺🇸 Phillips Machine & Welding Co., Inc.
90:F7:2F:00:00:00 /24
MA-L
🇺🇸 Phoebe Micro Inc.
00:21:2F:00:00:00 /24
MA-L
🇺🇸 Phoenix Broadband Technologies, LLC.
D4:00:0D:00:00:00 /24
MA-L
🇺🇸 Phoenix Digital
00:13:2B:00:00:00 /24
MA-L
🇺🇸 PHOENIX GROUP, INC.
00:D0:8D:00:00:00 /24
MA-L
🇺🇸 Phoenix Season LLC
24:A3:F0:50:00:00 /28
MA-M
🇺🇸 Phonesuite
1C:67:60:00:00:00 /24
MA-L