Vendor directory
17,375 blocks registered in United States.
Page 140 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 blocks17,375
MA-L count13,543
MA-M count976
MA-S count1,468
IAB count1,289
CID count99
Total address capacity229,909,483,520
Last changed hereSep 1, 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 | 211 |
| Amazon Technologies Inc. | 204 |
| Dell Inc. | 184 |
| Hewlett Packard Enterprise | 176 |
| Silicon Laboratories | 154 |
Organization
Prefix
Type
🇺🇸 Sandel Avionics, Inc.
00:50:C2:8E:60:00 /36
IAB
🇺🇸 SandForce
00:23:2D:00:00:00 /24
MA-L
🇺🇸 Sandia National Laboratories
70:B3:D5:D7:40:00 /36
MA-S
🇺🇸 SanDisk Corporation
00:1B:44:00:00:00 /24
MA-L
🇺🇸 SanDisk Corporation
00:1E:82:00:00:00 /24
MA-L
🇺🇸 Sandstone Technologies
60:53:17:00:00:00 /24
MA-L
🇺🇸 SandStream Technologies, Inc.
00:04:A9:00:00:00 /24
MA-L
🇺🇸 Sanford LP
F8:5A:00:00:00:00 /24
MA-L
🇺🇸 SanLogic Inc
6C:90:B1:00:00:00 /24
MA-L
🇺🇸 Sanmina-SCI
00:1A:38:00:00:00 /24
MA-L
🇺🇸 Sanmina-SCI
00:21:46:00:00:00 /24
MA-L
🇺🇸 Sansonic Electronics USA
00:26:56:00:00:00 /24
MA-L
🇺🇸 Sanstreak Corp.
00:1B:C5:09:60:00 /36
MA-S
🇺🇸 Santa Barbara Imaging Systems
70:B3:D5:44:60:00 /36
MA-S
🇺🇸 Santa Barbara Imaging Systems
70:B3:D5:4E:60:00 /36
MA-S
🇺🇸 Santa Barbara Infrared, Inc.
00:12:B6:00:00:00 /24
MA-L
🇺🇸 Santa Barbara Instrument Group
00:50:C2:AA:F0:00 /36
IAB
🇺🇸 SANTERA SYSTEMS, INC.
00:30:63:00:00:00 /24
MA-L
🇺🇸 Santosha Internatonal, Inc
00:18:D9:00:00:00 /24
MA-L
🇺🇸 Santur Corporation
F8:FB:2F:00:00:00 /24
MA-L
🇺🇸 Saratoga Speed, Inc.
70:B3:D5:55:C0:00 /36
MA-S
🇺🇸 Sarcos Corp
EC:9F:0D:C0:00:00 /28
MA-M
🇺🇸 SARNOFF CORPORATION
00:E0:9D:00:00:00 /24
MA-L
🇺🇸 SAS INSTITUTE INC.
00:D0:54:00:00:00 /24
MA-L
🇺🇸 SAST TECHNOLOGY CORP.
00:20:A8:00:00:00 /24
MA-L
🇺🇸 Satcom Direct, Inc.
C4:48:38:00:00:00 /24
MA-L
🇺🇸 SatCom Media Corporation
00:10:22:00:00:00 /24
MA-L
🇺🇸 Satelles Inc
8C:1F:64:9F:F0:00 /36
MA-S
🇺🇸 Satellink Inc.
00:50:C2:CE:10:00 /36
IAB
🇺🇸 Saunders Electronics
00:15:4C:00:00:00 /24
MA-L
🇺🇸 Savant Group
8C:1F:64:02:10:00 /36
MA-S
🇺🇸 Savant Systems LLC
00:1A:AE:00:00:00 /24
MA-L
🇺🇸 Savari Inc
9C:F6:DD:80:00:00 /28
MA-M
🇺🇸 Savari Inc
70:B3:D5:04:00:00 /36
MA-S
🇺🇸 Savari Inc
70:B3:D5:20:70:00 /36
MA-S
🇺🇸 SAVI Controls
D0:54:75:00:00:00 /24
MA-L
🇺🇸 Savvius
00:14:2F:00:00:00 /24
MA-L
🇺🇸 SavvyCorp.com Ltd
00:50:C2:2F:80:00 /36
IAB
🇺🇸 SBC ASI
00:0E:F8:00:00:00 /24
MA-L
🇺🇸 SBC DESIGNS, INC.
00:90:98:00:00:00 /24
MA-L
🇺🇸 SBE, INC.
00:00:D2:00:00:00 /24
MA-L
🇺🇸 SBE, Inc.
00:60:99:00:00:00 /24
MA-L
🇺🇸 SBE, Inc.
00:A0:D6:00:00:00 /24
MA-L
🇺🇸 SBS TECHNOLOGIES,
00:D0:1C:00:00:00 /24
MA-L
🇺🇸 SCA Data Systems
00:50:C2:1A:00:00 /36
IAB
🇺🇸 Scalable Network Technologies Inc
4C:F5:A0:00:00:00 /24
MA-L
🇺🇸 Scalant Systems, Inc.
00:04:77:00:00:00 /24
MA-L
🇺🇸 Scale Computing, Inc.
7C:4C:58:00:00:00 /24
MA-L
🇺🇸 Scale-Tec Ltd.
84:E0:F4:E0:00:00 /28
MA-M
🇺🇸 ScaleFlux
80:D2:66:00:00:00 /24
MA-L
🇺🇸 Scalent Systems, Inc.
00:0E:AA:00:00:00 /24
MA-L
🇺🇸 SCAN-OPTICS
00:80:22:00:00:00 /24
MA-L
🇺🇸 SCANIVALVE CORP.
00:60:5D:00:00:00 /24
MA-L
🇺🇸 Scenix Semiconductor, Inc.
00:03:64:00:00:00 /24
MA-L
🇺🇸 ScentedVents
6C:27:C8:E0:00:00 /28
MA-M
🇺🇸 Scharff Weisberg Systems Integration Inc
00:50:C2:24:E0:00 /36
IAB
🇺🇸 Schawbel Technologies LLC
1C:87:74:60:00:00 /28
MA-M
🇺🇸 Schenck Pegasus Corp.
00:05:FC:00:00:00 /24
MA-L
🇺🇸 SCHILLING ROBOTICS LLC
00:15:FE:00:00:00 /24
MA-L
🇺🇸 Schlumberger
00:04:7B:00:00:00 /24
MA-L
🇺🇸 SCHLUMBERGER TECHNOLOGIES RETAIL PETROLEUM SYSTEMS
00:60:76:00:00:00 /24
MA-L
🇺🇸 SCHLUMBERGER WELL SERVICES
08:00:3C:00:00:00 /24
MA-L
🇺🇸 Schmartz Inc
00:25:B0:00:00:00 /24
MA-L
🇺🇸 Schneider Electric
00:00:6C:00:00:00 /24
MA-L
🇺🇸 Schneider Electric
00:11:00:00:00:00 /24
MA-L
🇺🇸 Schneider Electric Motion
70:B3:D5:2E:A0:00 /36
MA-S
🇺🇸 Schneider Electric Motion USA
00:50:C2:D2:C0:00 /36
IAB
🇺🇸 Schneider Electric Motion USA
70:B3:D5:15:30:00 /36
MA-S
🇺🇸 Schneider Electric Motion USA
70:B3:D5:2E:40:00 /36
MA-S
🇺🇸 Schneider Electric Motion USA
70:B3:D5:33:D0:00 /36
MA-S
🇺🇸 Schneider Electric Motion USA
70:B3:D5:7D:10:00 /36
MA-S
🇺🇸 Schneider Electric Motion USA
70:B3:D5:8D:70:00 /36
MA-S
🇺🇸 Schneider Electric Motion USA
70:B3:D5:AC:C0:00 /36
MA-S
🇺🇸 Schneider Electric Motion, Inc. USA
40:D8:55:17:60:00 /36
IAB
🇺🇸 Schneider Electric USA
E4:F5:8E:00:00:00 /24
MA-L
🇺🇸 Schok LLC
8C:A6:82:80:00:00 /28
MA-M
🇺🇸 Schok LLC
8C:A6:82:A0:00:00 /28
MA-M
🇺🇸 SCHWEITZER ENGINEERING
00:30:A7:00:00:00 /24
MA-L
🇺🇸 SCI Technology Inc.
00:50:C2:00:40:00 /36
IAB
🇺🇸 SCI Technology, Inc.
8C:1F:64:10:70:00 /36
MA-S
🇺🇸 SCIENCE AND ENGINEERING SERVICES, INC.
00:15:F6:00:00:00 /24
MA-L
🇺🇸 Science Corporation
54:EF:5B:00:00:00 /24
MA-L
🇺🇸 Scientific Atlanta
00:0A:73:00:00:00 /24
MA-L
🇺🇸 Scientific Atlanta
00:11:E6:00:00:00 /24
MA-L
🇺🇸 Scientific Atlanta
00:14:F8:00:00:00 /24
MA-L
🇺🇸 SCIENTIFIC ATLANTA
00:40:7B:00:00:00 /24
MA-L
🇺🇸 Scientific Atlanta, Inc
00:0F:21:00:00:00 /24
MA-L
🇺🇸 Scientific Games
BC:66:41:50:00:00 /28
MA-M
🇺🇸 Scientific Lightning Solutions
8C:1F:64:E5:C0:00 /36
MA-S
🇺🇸 Scientific Research Corporation
00:0A:0C:00:00:00 /24
MA-L
🇺🇸 Scientific Technologies Inc.
00:0C:51:00:00:00 /24
MA-L
🇺🇸 Scientific-Atlanta, Inc
00:1A:C3:00:00:00 /24
MA-L
🇺🇸 Scientific-Atlanta, Inc
00:1C:EA:00:00:00 /24
MA-L
🇺🇸 Scientific-Atlanta, Inc.
00:16:92:00:00:00 /24
MA-L
🇺🇸 SciLog, Inc.
00:22:CC:00:00:00 /24
MA-L
🇺🇸 SCINETS
00:20:39:00:00:00 /24
MA-L
🇺🇸 Scion Corporation
00:0B:27:00:00:00 /24
MA-L
🇺🇸 Sciovid Inc.
3C:67:2C:00:00:00 /24
MA-L
🇺🇸 SCITEX DIGITAL PRINTING, INC.
00:A0:FD:00:00:00 /24
MA-L
🇺🇸 SCM MICROSYSTEMS, INC.
00:D0:16:00:00:00 /24
MA-L