Vendor directory
17,372 blocks registered in United States.
Page 130 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
🇺🇸 PLESSEY
08:00:63:00:00:00 /24
MA-L
🇺🇸 PLEXCOM, INC.
00:C0:E8:00:00:00 /24
MA-L
🇺🇸 Plexstar Inc.
00:1B:C5:09:70:00 /36
MA-S
🇺🇸 Plexus
70:B3:D5:B2:D0:00 /36
MA-S
🇺🇸 Plexxi, Inc.
E0:39:D7:00:00:00 /24
MA-L
🇺🇸 Plug Power
8C:1F:64:B3:20:00 /36
MA-S
🇺🇸 Plugable Technologies
8C:AE:4C:00:00:00 /24
MA-L
🇺🇸 Plume Design Inc
60:B4:F7:00:00:00 /24
MA-L
🇺🇸 PLUMgrid Inc
3C:B7:2B:00:00:00 /24
MA-L
🇺🇸 Plura
8C:1F:64:E8:D0:00 /36
MA-S
🇺🇸 PluralFusion INC
E0:23:3B:20:00:00 /28
MA-M
🇺🇸 Pluribus Networks, Inc.
64:0E:94:00:00:00 /24
MA-L
🇺🇸 Pluribus Networks, Inc.
E0:AF:4B:00:00:00 /24
MA-L
🇺🇸 PLURIS, INC.
00:D0:0E:00:00:00 /24
MA-L
🇺🇸 PLUTO TECHNOLOGIES INTERNATIONAL INC.
00:E0:12:00:00:00 /24
MA-L
🇺🇸 PLX Inc.
8C:1F:64:D2:30:00 /36
MA-S
🇺🇸 PLX Technology
00:0E:DF:00:00:00 /24
MA-L
🇺🇸 PMI FOOD EQUIPMENT GROUP
00:60:9D:00:00:00 /24
MA-L
🇺🇸 Pneu-Logic Corporation
00:50:C2:A7:C0:00 /36
IAB
🇺🇸 PNI Corporation
00:0C:10:00:00:00 /24
MA-L
🇺🇸 PNI sensor corporation
14:93:46:00:00:00 /24
MA-L
🇺🇸 PNY Technologies, INC.
F8:DB:4C:00:00:00 /24
MA-L
🇺🇸 PoE Texas
A0:22:4E:10:00:00 /28
MA-M
🇺🇸 PoeWit Inc
D0:B2:14:00:00:00 /24
MA-L
🇺🇸 Point One Navigation
8C:1F:64:4B:40:00 /36
MA-S
🇺🇸 Point Six Wireless, LLC
00:22:50:00:00:00 /24
MA-L
🇺🇸 Pointe Conception Medical Inc.
00:50:C2:77:30:00 /36
IAB
🇺🇸 POINTGUARD, LLC
2A:A1:39:00:00:00 /24
CID
🇺🇸 Polara Engineering
2C:26:5F:A0:00:00 /28
MA-M
🇺🇸 POLARIS COMMUNICATIONS, INC.
00:10:85:00:00:00 /24
MA-L
🇺🇸 Polaris Networks, Inc.
00:08:57:00:00:00 /24
MA-L
🇺🇸 Polarity Inc
8C:1F:64:F3:70:00 /36
MA-S
🇺🇸 Polaroid Corporation
00:04:48:00:00:00 /24
MA-L
🇺🇸 Polaroid Corporation
00:40:F7:00:00:00 /24
MA-L
🇺🇸 Pole/Zero Corporation
00:25:8A:00:00:00 /24
MA-L
🇺🇸 Poly
48:25:67:00:00:00 /24
MA-L
🇺🇸 Polycom
64:16:7F:00:00:00 /24
MA-L
🇺🇸 Polyera
FC:33:5F:00:00:00 /24
MA-L
🇺🇸 Polymap Wireless LLC
00:15:B4:00:00:00 /24
MA-L
🇺🇸 Polytron Corporation
00:50:C2:B1:90:00 /36
IAB
🇺🇸 POMCube Inc.
E0:B6:F5:60:00:00 /28
MA-M
🇺🇸 pomdevices, LLC
10:0C:24:00:00:00 /24
MA-L
🇺🇸 Porsche Cars North America
D0:0E:A4:00:00:00 /24
MA-L
🇺🇸 Portalis LC
68:D2:47:00:00:00 /24
MA-L
🇺🇸 Portalplayer, Inc
00:50:C2:1A:10:00 /36
IAB
🇺🇸 Portrait Displays, Inc.
70:B3:D5:D7:70:00 /36
MA-S
🇺🇸 Portrait Displays, Inc.
8C:1F:64:5D:60:00 /36
MA-S
🇺🇸 Portrait Displays, Inc.
8C:1F:64:89:30:00 /36
MA-S
🇺🇸 Portrait Displays, Inc.
8C:1F:64:90:30:00 /36
MA-S
🇺🇸 Portrait Displays, Inc.
8C:1F:64:F6:00:00 /36
MA-S
🇺🇸 Portsmith LLC
7C:4A:82:00:00:00 /24
MA-L
🇺🇸 Position Imaging
70:B3:D5:A5:D0:00 /36
MA-S
🇺🇸 Postmark Incorporated
70:B3:D5:CB:B0:00 /36
MA-S
🇺🇸 Potomac Electric Corporation
70:B3:D5:E6:30:00 /36
MA-S
🇺🇸 PotsTek, Inc
00:50:C2:19:80:00 /36
IAB
🇺🇸 Potter Electric Signal Co. LLC
00:50:C2:C6:30:00 /36
IAB
🇺🇸 Potter Electric Signal Co. LLC
00:50:C2:DF:40:00 /36
IAB
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:1B:E0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:26:10:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:6D:50:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:70:C0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:7A:40:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:83:20:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:A1:B0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:B9:A0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:BE:B0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:C1:70:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
70:B3:D5:F5:D0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:07:30:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:14:B0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:1E:20:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:31:60:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:44:20:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:4A:40:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:4A:70:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:57:B0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:68:40:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:69:00:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:6A:D0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:6C:E0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:75:D0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:7A:00:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:7A:50:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:81:B0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:84:20:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:89:F0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:8C:80:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:8F:E0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:91:B0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:96:50:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:97:00:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:9A:D0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:A3:40:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:C8:50:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:CC:50:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:CE:00:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:D6:00:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:D6:40:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:D8:E0:00 /36
MA-S
🇺🇸 Potter Electric Signal Co. LLC
8C:1F:64:EB:B0:00 /36
MA-S