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 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
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