Vendor directory

17,400 blocks registered in United States.

Page 173 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 organizations8,990
Total blocks17,400
MA-L count13,564
MA-M count977
MA-S count1,471
IAB count1,289
CID count99
Total address capacity230,262,865,920
Last changed hereSep 4, 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
🇺🇸 Xiotech Corporation 00:1F:93:00:00:00 /24 MA-L 🇺🇸 Xiotech Corporation 00:D0:B2:00:00:00 /24 MA-L 🇺🇸 XIOX 00:D0:ED:00:00:00 /24 MA-L 🇺🇸 Xipher Embedded Networking 00:50:C2:2A:40:00 /36 IAB 🇺🇸 Xipher Technologies, LLC 00:19:76:00:00:00 /24 MA-L 🇺🇸 Xiranet Communications GmbH 00:15:6F:00:00:00 /24 MA-L 🇺🇸 XIRCOM 00:05:3C:00:00:00 /24 MA-L 🇺🇸 XIRCOM 00:10:A4:00:00:00 /24 MA-L 🇺🇸 XIRCOM 00:80:C7:00:00:00 /24 MA-L 🇺🇸 Xirgo Technologies LLC E8:6C:C7:20:00:00 /28 MA-M 🇺🇸 Xirgo Technologies LLC 70:B3:D5:1A:20:00 /36 MA-S 🇺🇸 Xirgo Technologies LLC 70:B3:D5:64:60:00 /36 MA-S 🇺🇸 Xirgo Technologies LLC 70:B3:D5:CA:00:00 /36 MA-S 🇺🇸 Xirgo Technologies LLC 70:B3:D5:CE:B0:00 /36 MA-S 🇺🇸 Xirrus 00:0F:7D:00:00:00 /24 MA-L 🇺🇸 Xirrus Inc. 50:60:28:00:00:00 /24 MA-L 🇺🇸 Xirrus, Inc. 48:C0:93:00:00:00 /24 MA-L 🇺🇸 Xitron 70:B3:D5:38:80:00 /36 MA-S 🇺🇸 XITRON TECHNOLOGIES, INC. 00:50:B9:00:00:00 /24 MA-L 🇺🇸 XK22 Enterprises, LLC 00:05:BA:00:00:00 /24 MA-L 🇺🇸 XKL LLC 00:A0:E3:00:00:00 /24 MA-L 🇺🇸 Xlera Solutions, LLC 8C:1F:64:ED:F0:00 /36 MA-S 🇺🇸 XLNT DESIGNS INC. 00:40:2F:00:00:00 /24 MA-L 🇺🇸 XN TECHNOLOGIES 00:D0:47:00:00:00 /24 MA-L 🇺🇸 XNET TECHNOLOGY, INC. 00:20:DB:00:00:00 /24 MA-L 🇺🇸 XoByte LLC 00:50:C2:AF:F0:00 /36 IAB 🇺🇸 XOS 2C:00:F7:00:00:00 /24 MA-L 🇺🇸 XPAK MSA Group 00:0A:CB:00:00:00 /24 MA-L 🇺🇸 Xpeed, Inc. 00:03:20:00:00:00 /24 MA-L 🇺🇸 XPEED, INC. 00:50:7A:00:00:00 /24 MA-L 🇺🇸 Xperi Corporation DA:41:62:00:00:00 /24 CID 🇺🇸 Xplore Technologies Corp 00:50:C2:E8:20:00 /36 IAB 🇺🇸 XPOINT TECHNOLOGIES, INC. 00:A0:89:00:00:00 /24 MA-L 🇺🇸 xRAN.org FA:EB:6E:00:00:00 /24 CID 🇺🇸 Xrite Inc 00:50:03:00:00:00 /24 MA-L 🇺🇸 Xslent Energy Technologies. LLC E0:1F:0A:00:00:00 /24 MA-L 🇺🇸 Xslent Energy Technologies. LLC 00:50:C2:BC:20:00 /36 IAB 🇺🇸 XStore, Inc. 00:50:C2:12:00:00 /36 IAB 🇺🇸 XStreamHD 00:18:2E:00:00:00 /24 MA-L 🇺🇸 XSTREAMIS PLC 00:10:87:00:00:00 /24 MA-L 🇺🇸 XTec, Incorporated 00:0F:EE:00:00:00 /24 MA-L 🇺🇸 XtendWave 00:50:C2:76:30:00 /36 IAB 🇺🇸 Xtensor Systems Inc. 00:50:C2:84:30:00 /36 IAB 🇺🇸 Xtera Communications, Inc. 00:04:F9:00:00:00 /24 MA-L 🇺🇸 Xtone Networks 00:50:C2:91:A0:00 /36 IAB 🇺🇸 xTools Inc. 8C:1F:64:9A:A0:00 /36 MA-S 🇺🇸 XTP SYSTEMS, INC. 00:80:E0:00:00:00 /24 MA-L 🇺🇸 Xtra Technology LLC EC:9E:EA:00:00:00 /24 MA-L 🇺🇸 Xtreme Power Systems 5C:D1:35:00:00:00 /24 MA-L 🇺🇸 XtremeSpectrum, Inc. 00:0C:0E:00:00:00 /24 MA-L 🇺🇸 XTS CORP A8:1B:18:00:00:00 /24 MA-L 🇺🇸 XY Sense, Inc. BC:DF:E1:C0:00:00 /28 MA-M 🇺🇸 XYCOM INC. 00:60:00:00:00:00 /24 MA-L 🇺🇸 Xycom VME 00:50:C2:37:70:00 /36 IAB 🇺🇸 XYLOGICS INC 00:80:2D:00:00:00 /24 MA-L 🇺🇸 Xyplex, Inc. 00:A0:9C:00:00:00 /24 MA-L 🇺🇸 Xyplex, Inc. 08:00:87:00:00:00 /24 MA-L 🇺🇸 XYRON CORPORATION 00:80:93:00:00:00 /24 MA-L 🇺🇸 Xyterra Computing, Inc. 00:07:54:00:00:00 /24 MA-L 🇺🇸 Xytronix Research & Design, Inc. 00:0C:C8:00:00:00 /24 MA-L 🇺🇸 XYVISION INC. 08:00:8D:00:00:00 /24 MA-L 🇺🇸 YAFO Networks, Inc. 00:04:89:00:00:00 /24 MA-L 🇺🇸 Yamaichi Electronics AA:0F:85:00:00:00 /24 CID 🇺🇸 Yardney Technical Products Inc. 00:50:C2:D4:D0:00 /36 IAB 🇺🇸 Yazaki North America, Inc. 00:50:C2:1D:00:00 /36 IAB 🇺🇸 YEHL & JORDAN LLC 70:B3:D5:E0:20:00 /36 MA-S 🇺🇸 Yellowbrick Data, Inc. 38:B8:EB:D0:00:00 /28 MA-M 🇺🇸 Yipee, Inc. 00:06:55:00:00:00 /24 MA-L 🇺🇸 Yohana D0:21:AC:00:00:00 /24 MA-L 🇺🇸 YORKVILLE SOUND INC. 00:16:05:00:00:00 /24 MA-L 🇺🇸 Yotta Networks, Inc. 00:05:9F:00:00:00 /24 MA-L 🇺🇸 Young Chang Co. Ltd. 00:05:F6:00:00:00 /24 MA-L 🇺🇸 Young Electric Sign Co 44:37:6F:00:00:00 /24 MA-L 🇺🇸 YSI, Inc. 7C:55:E7:00:00:00 /24 MA-L 🇺🇸 YULISTA INTEGRATED SOLUTION 8C:1F:64:12:80:00 /36 MA-S 🇺🇸 YX Wireless S.A. 00:1D:30:00:00:00 /24 MA-L 🇺🇸 Z-App Systems 00:50:C2:88:C0:00 /36 IAB 🇺🇸 Z-App Systems, Inc. 00:50:C2:C2:B0:00 /36 IAB 🇺🇸 Z-App Systems, Inc. 00:50:C2:F4:A0:00 /36 IAB 🇺🇸 Z-meta Research LLC 60:61:DF:00:00:00 /24 MA-L 🇺🇸 Z3 Technology 40:CD:3A:00:00:00 /24 MA-L 🇺🇸 Zabacom, Inc. 00:50:C2:02:30:00 /36 IAB 🇺🇸 ZACCESS Systems 00:03:B7:00:00:00 /24 MA-L 🇺🇸 Zadar Labs Inc 8C:1F:64:06:00:00 /36 MA-S 🇺🇸 Zadara Storage Ltd. B0:7E:70:00:00:00 /24 MA-L 🇺🇸 Zaffire 00:30:CE:00:00:00 /24 MA-L 🇺🇸 ZaiNar 08:26:AE:20:00:00 /28 MA-M 🇺🇸 Zalliant LLC 28:1B:04:00:00:00 /24 MA-L 🇺🇸 Zambeel Inc 00:0A:C9:00:00:00 /24 MA-L 🇺🇸 ZANTAZ, Inc 00:1D:55:00:00:00 /24 MA-L 🇺🇸 Zarak Systems Corp. 00:50:C2:0A:E0:00 /36 IAB 🇺🇸 Zaxcom Inc 70:B3:D5:9C:C0:00 /36 MA-S 🇺🇸 Zcomax Technologies, Inc. 00:13:54:00:00:00 /24 MA-L 🇺🇸 ZCOMM, INC. 00:C0:DE:00:00:00 /24 MA-L 🇺🇸 Zebra Technologies Corp. 00:07:4D:00:00:00 /24 MA-L 🇺🇸 Zebra Technologies Corp. 74:93:A4:00:00:00 /24 MA-L 🇺🇸 Zebra Technologies Inc 00:05:12:00:00:00 /24 MA-L 🇺🇸 Zebra Technologies Inc 00:15:70:00:00:00 /24 MA-L 🇺🇸 Zebra Technologies Inc 00:23:68:00:00:00 /24 MA-L 🇺🇸 Zebra Technologies Inc 00:A0:F8:00:00:00 /24 MA-L
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