Vendor directory
17,372 blocks registered in United States.
Page 127 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
🇺🇸 Pan-STARRS
00:50:C2:64:90:00 /36
IAB
🇺🇸 Panamax LLC
10:65:A3:00:00:00 /24
MA-L
🇺🇸 Panasas, Inc
00:09:03:00:00:00 /24
MA-L
🇺🇸 Panasonic Automotive Systems Company of America
0C:65:9A:00:00:00 /24
MA-L
🇺🇸 Panasonic Automotive Systems Company of America
E0:EE:1B:00:00:00 /24
MA-L
🇺🇸 Panasonic Automotive Systems Company of America
EC:65:CC:00:00:00 /24
MA-L
🇺🇸 Panasonic Corporation of North America
9C:61:1D:00:00:00 /24
MA-L
🇺🇸 Panasonic Enterprise Solutions Company
50:0B:91:80:00:00 /28
MA-M
🇺🇸 PANASONIC TECHNOLOGIES, INC./MIECO-US
00:20:D9:00:00:00 /24
MA-L
🇺🇸 Panda Wireless, Inc.
9C:EF:D5:00:00:00 /24
MA-L
🇺🇸 Panduit Corp
00:0F:9C:00:00:00 /24
MA-L
🇺🇸 PanelLink Cinema, LLC
00:13:5B:00:00:00 /24
MA-L
🇺🇸 Pangolin
00:16:42:00:00:00 /24
MA-L
🇺🇸 Pannaway Technologies, Inc.
00:0A:9F:00:00:00 /24
MA-L
🇺🇸 Pano Logic
00:1C:02:00:00:00 /24
MA-L
🇺🇸 Panoptic Technology, Inc
F4:60:0D:00:00:00 /24
MA-L
🇺🇸 Panta Systems, Inc.
00:13:93:00:00:00 /24
MA-L
🇺🇸 Pantel International
00:50:C2:98:80:00 /36
IAB
🇺🇸 Par-Tech, Inc.
00:50:C2:A9:40:00 /36
IAB
🇺🇸 Par-Tech, Inc.
40:D8:55:01:60:00 /36
IAB
🇺🇸 Par-Tech, Inc.
70:B3:D5:47:C0:00 /36
MA-S
🇺🇸 Parabit Systems
00:50:C2:26:80:00 /36
IAB
🇺🇸 Parade Technologies, Ltd.
00:1C:F8:00:00:00 /24
MA-L
🇺🇸 Paradromics, Inc.
20:17:46:00:00:00 /24
MA-L
🇺🇸 PARADYNE CORP.
00:E0:39:00:00:00 /24
MA-L
🇺🇸 Paragea Communications
00:03:AF:00:00:00 /24
MA-L
🇺🇸 Paragon Business Solutions Ltd.
A4:ED:43:B0:00:00 /28
MA-M
🇺🇸 Paragon Networks International
00:02:35:00:00:00 /24
MA-L
🇺🇸 Paragon Robotics LLC
C0:61:9A:00:00:00 /28
MA-M
🇺🇸 Paralan Corporation
00:16:8B:00:00:00 /24
MA-L
🇺🇸 Parallel Wireless, Inc
2C:A5:39:00:00:00 /24
MA-L
🇺🇸 Parallel Wireless, Inc
40:D8:55:06:50:00 /36
IAB
🇺🇸 Parallels, Inc.
00:1C:42:00:00:00 /24
MA-L
🇺🇸 Paralon Technologies
00:02:19:00:00:00 /24
MA-L
🇺🇸 Parama Networks Inc
00:0A:23:00:00:00 /24
MA-L
🇺🇸 Parameter LLC
00:90:5B:00:00:00 /24
MA-L
🇺🇸 Paravirtual Corporation
00:13:07:00:00:00 /24
MA-L
🇺🇸 Park Assist LLC
84:6E:B1:00:00:00 /24
MA-L
🇺🇸 Parker Hannifin Corporation
34:F8:6E:00:00:00 /24
MA-L
🇺🇸 PARKER HANNIFIN CORPORATION COMPUMOTOR DIVISION
00:90:55:00:00:00 /24
MA-L
🇺🇸 Parker SSD Drives
00:0D:46:00:00:00 /24
MA-L
🇺🇸 ParkerVision - Direct2Data
00:0E:5B:00:00:00 /24
MA-L
🇺🇸 Parking BOXX Inc.
A4:B9:80:00:00:00 /24
MA-L
🇺🇸 Parlay Labs dba Highfive
BC:34:00:C0:00:00 /28
MA-M
🇺🇸 Parris Service Corporation
40:D8:55:19:C0:00 /36
IAB
🇺🇸 Part II Research, Inc.
00:1C:C2:00:00:00 /24
MA-L
🇺🇸 ParTech Inc.
00:40:B3:00:00:00 /24
MA-L
🇺🇸 Particle Industries Inc.
94:94:4A:00:00:00 /24
MA-L
🇺🇸 PARTICLE MEASURING SYSTEMS
00:60:A6:00:00:00 /24
MA-L
🇺🇸 Particle sizing systems
70:B3:D5:67:00:00 /36
MA-S
🇺🇸 Pass & Seymour, Inc d/b/a Legrand
64:62:66:60:00:00 /28
MA-M
🇺🇸 Passave Inc.
00:0C:D5:00:00:00 /24
MA-L
🇺🇸 Passif Semiconductor
D0:8B:7E:00:00:00 /24
MA-L
🇺🇸 PassiveLogic
80:02:F4:A0:00:00 /28
MA-M
🇺🇸 PAT Industries, DBA Pacific Advanced Technology
00:50:C2:3E:F0:00 /36
IAB
🇺🇸 PATAPSCO DESIGNS
00:60:3F:00:00:00 /24
MA-L
🇺🇸 Patch Technologies, Inc.
8C:1F:64:0A:C0:00 /36
MA-S
🇺🇸 Paterson Technology
DC:5E:36:00:00:00 /24
MA-L
🇺🇸 PATHLIGHT TECHNOLOGIES
00:60:45:00:00:00 /24
MA-L
🇺🇸 PATHWAY, INC.
00:D0:C7:00:00:00 /24
MA-L
🇺🇸 Patriot Memory
C0:91:32:00:00:00 /24
MA-L
🇺🇸 Patrol Products Consortium LLC
38:43:69:00:00:00 /24
MA-L
🇺🇸 Patrol Tag, Inc
DC:E0:26:00:00:00 /24
MA-L
🇺🇸 PATTON ELECTRONICS CO.
00:A0:BA:00:00:00 /24
MA-L
🇺🇸 Paul Tagliamonte
8C:1F:64:35:40:00 /36
MA-S
🇺🇸 Pavilion Data Systems Inc
04:BB:F9:00:00:00 /24
MA-L
🇺🇸 PAVO, INC.
00:10:9F:00:00:00 /24
MA-L
🇺🇸 Paw-Taw-John Services, Inc.
EC:9F:0D:50:00:00 /28
MA-M
🇺🇸 Paxonet Communications, Inc.
00:04:EB:00:00:00 /24
MA-L
🇺🇸 PayPal, Inc.
B8:75:C0:00:00:00 /24
MA-L
🇺🇸 PayRange Inc.
7C:79:E8:00:00:00 /24
MA-L
🇺🇸 PC LAN TECHNOLOGIES
08:00:76:00:00:00 /24
MA-L
🇺🇸 PCB Piezotronics
70:B3:D5:4C:A0:00 /36
MA-S
🇺🇸 PCCW Global, Inc.
1C:1E:38:00:00:00 /24
MA-L
🇺🇸 PCM Industries
00:50:C2:96:60:00 /36
IAB
🇺🇸 PCS Inc.
70:B3:D5:62:20:00 /36
MA-S
🇺🇸 PCS Revenue Control Systems, Inc.
00:03:8D:00:00:00 /24
MA-L
🇺🇸 PCS Systemtechnik GmbH
08:00:27:00:00:00 /24
MA-L
🇺🇸 PCSC
00:50:C2:0C:F0:00 /36
IAB
🇺🇸 PCSC
00:50:C2:8E:E0:00 /36
IAB
🇺🇸 PCSC
00:50:C2:E4:D0:00 /36
IAB
🇺🇸 PCSC
70:B3:D5:51:50:00 /36
MA-S
🇺🇸 PCSC
70:B3:D5:A5:70:00 /36
MA-S
🇺🇸 PCTEL, Inc.
00:02:F4:00:00:00 /24
MA-L
🇺🇸 PCTEL, Inc.
68:79:12:00:00:00 /28
MA-M
🇺🇸 PCTEL, Inc.
70:B3:D5:ED:20:00 /36
MA-S
🇺🇸 Pcube Systems, Inc.
00:26:D2:00:00:00 /24
MA-L
🇺🇸 PDA Peripherals, Inc.
00:02:D4:00:00:00 /24
MA-L
🇺🇸 PDH Solutions, LLC
00:12:EB:00:00:00 /24
MA-L
🇺🇸 PDI COMMUNICATION SYSTEMS INC.
FC:A2:DF:20:00:00 /28
MA-M
🇺🇸 PDQ Manufacturing
00:50:C2:17:F0:00 /36
IAB
🇺🇸 PDQ Manufacturing Inc.
00:50:C2:A9:B0:00 /36
IAB
🇺🇸 PDW
8C:1F:64:52:70:00 /36
MA-S
🇺🇸 PeachCreek
8C:1F:64:C9:F0:00 /36
MA-S
🇺🇸 PEAK AUDIO
00:60:2B:00:00:00 /24
MA-L
🇺🇸 Pebble Technology
34:04:9E:70:00:00 /28
MA-M
🇺🇸 PECO II, Inc.
00:15:69:00:00:00 /24
MA-L
🇺🇸 Peco II, Inc.
00:90:C1:00:00:00 /24
MA-L
🇺🇸 Pedestal Networks, Inc
00:0C:54:00:00:00 /24
MA-L
🇺🇸 Peek Traffic
00:50:C2:FD:E0:00 /36
IAB