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 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
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