Vendor directory
17,378 blocks registered in United States.
Page 149 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 organizations8,985
Total blocks17,378
MA-L count13,544
MA-M count977
MA-S count1,469
IAB count1,289
CID count99
Total address capacity229,927,313,408
Last changed hereSep 2, 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
🇺🇸 STAR-TEK, INC.
00:40:5D:00:00:00 /24
MA-L
🇺🇸 Star2Star Communications, LLC
C4:7C:8D:20:00:00 /28
MA-M
🇺🇸 Starboard Storage Systems
00:B0:DF:00:00:00 /24
MA-L
🇺🇸 Starbridge Networks
00:1F:2C:00:00:00 /24
MA-L
🇺🇸 STARDOT TECHNOLOGIES
00:30:F4:00:00:00 /24
MA-L
🇺🇸 Starent Networks
00:05:47:00:00:00 /24
MA-L
🇺🇸 Starfire Industries LLC
18:9B:A5:50:00:00 /28
MA-M
🇺🇸 STARGUIDE DIGITAL NETWORKS
00:10:63:00:00:00 /24
MA-L
🇺🇸 Starkey Labs Inc.
58:89:90:00:00:00 /24
MA-L
🇺🇸 Starkey Labs Inc.
9C:9C:1D:00:00:00 /24
MA-L
🇺🇸 Starkey Labs Inc.
A8:00:E3:00:00:00 /24
MA-L
🇺🇸 STARLIGHT NETWORKS, INC.
00:40:BD:00:00:00 /24
MA-L
🇺🇸 STARNET TECHNOLOGIES, INC.
00:10:98:00:00:00 /24
MA-L
🇺🇸 Starry, Inc.
8C:A2:FD:00:00:00 /24
MA-L
🇺🇸 START USA, INC.
78:48:2C:00:00:00 /24
MA-L
🇺🇸 Stateless Networks
B8:8E:C6:00:00:00 /24
MA-L
🇺🇸 Stealth Communications
70:B3:D5:86:A0:00 /36
MA-S
🇺🇸 STEALTH COMPUTER SYSTEMS
00:40:B7:00:00:00 /24
MA-L
🇺🇸 STEAMIQ, Inc.
8C:1F:64:EB:F0:00 /36
MA-S
🇺🇸 STEC, INC.
00:0A:72:00:00:00 /24
MA-L
🇺🇸 Steelcase Inc.
70:2F:4B:00:00:00 /24
MA-L
🇺🇸 Steelcase Inc.
00:50:C2:0F:10:00 /36
IAB
🇺🇸 SteelSeries ApS
20:AF:1B:00:00:00 /24
MA-L
🇺🇸 SteelSeries ApS
28:9A:4B:00:00:00 /24
MA-L
🇺🇸 Steffes Corporation
50:D2:74:00:00:00 /24
MA-L
🇺🇸 STEINBRECHER CORP.
00:20:47:00:00:00 /24
MA-L
🇺🇸 Stellar Blu Solutions
D0:15:BB:90:00:00 /28
MA-M
🇺🇸 STELLAR ONE CORPORATION
00:60:18:00:00:00 /24
MA-L
🇺🇸 Stellcom
00:03:7D:00:00:00 /24
MA-L
🇺🇸 Step Ahead Innovations Inc.
B8:87:A8:00:00:00 /24
MA-L
🇺🇸 Stereotaxis, Inc.
6C:6F:18:00:00:00 /24
MA-L
🇺🇸 Stewart Audio
BC:02:00:00:00:00 /24
MA-L
🇺🇸 Stirling Energy Systems
00:25:2B:00:00:00 /24
MA-L
🇺🇸 Stoke Inc
00:12:73:00:00:00 /24
MA-L
🇺🇸 Stone Lock Global, Inc.
A4:58:0F:10:00:00 /28
MA-M
🇺🇸 Stonefly Networks
00:50:C2:11:C0:00 /36
IAB
🇺🇸 Stonestreet One LLC
D0:93:F8:00:00:00 /24
MA-L
🇺🇸 Storage Apps
00:02:9A:00:00:00 /24
MA-L
🇺🇸 STORAGE COMPUTER CORPORATION
00:10:D4:00:00:00 /24
MA-L
🇺🇸 Storage Concepts
00:60:85:00:00:00 /24
MA-L
🇺🇸 Storbyte, Inc.
CA:37:82:00:00:00 /24
CID
🇺🇸 StorCase Technology, Inc.
00:0C:A0:00:00:00 /24
MA-L
🇺🇸 Stored Energy Systems
4C:4B:F9:B0:00:00 /28
MA-M
🇺🇸 STORES AUTOMATED SYSTEMS, INC.
00:C0:3F:00:00:00 /24
MA-L
🇺🇸 StorLink Semi
00:50:C2:2B:D0:00 /36
IAB
🇺🇸 StorLink Semiconductors, Inc.
00:18:52:00:00:00 /24
MA-L
🇺🇸 StorLogic, Inc.
00:50:C2:09:10:00 /36
IAB
🇺🇸 StorSimple Inc
48:6F:D2:00:00:00 /24
MA-L
🇺🇸 Strata Worldwide
B0:88:07:00:00:00 /24
MA-L
🇺🇸 STRATABEAM TECHNOLOGY, INC.
00:D0:5E:00:00:00 /24
MA-L
🇺🇸 Stratacache
2C:E3:10:00:00:00 /24
MA-L
🇺🇸 STRATACOM
00:C0:43:00:00:00 /24
MA-L
🇺🇸 StrataLight Communications, Inc.
00:15:41:00:00:00 /24
MA-L
🇺🇸 Strategic Robotic Systems
8C:1F:64:C5:70:00 /36
MA-S
🇺🇸 Stratis IOT
8C:1F:64:3C:50:00 /36
MA-S
🇺🇸 Stratom, Inc.
B4:37:D1:50:00:00 /28
MA-M
🇺🇸 Stratus Technologies
00:00:A8:00:00:00 /24
MA-L
🇺🇸 Stratus Technologies
00:04:FC:00:00:00 /24
MA-L
🇺🇸 Stratus Technologies
00:E0:09:00:00:00 /24
MA-L
🇺🇸 Stravik Technologies LLC
B4:AB:F3:80:00:00 /28
MA-M
🇺🇸 STRAWBERRY TREE, INC.
00:40:CF:00:00:00 /24
MA-L
🇺🇸 Stream Processors
00:50:C2:6C:B0:00 /36
IAB
🇺🇸 Streambox Inc
70:B3:D5:F6:E0:00 /36
MA-S
🇺🇸 StreamCCTV, LLC
FC:8E:6E:00:00:00 /24
MA-L
🇺🇸 StreamLogic
00:60:EA:00:00:00 /24
MA-L
🇺🇸 StreetFire Sound Labs, LLC
00:50:C2:3A:00:00 /36
IAB
🇺🇸 Stretch, Inc.
00:0F:45:00:00:00 /24
MA-L
🇺🇸 STRIVE ORTHOPEDICS INC
D4:7C:44:C0:00:00 /28
MA-M
🇺🇸 Strix Systems
00:06:5A:00:00:00 /24
MA-L
🇺🇸 Strix Systems, Inc.
00:19:33:00:00:00 /24
MA-L
🇺🇸 Structural Integrity Services
8C:1F:64:18:00:00 /36
MA-S
🇺🇸 Stryker Corporation
00:0D:D1:00:00:00 /24
MA-L
🇺🇸 STS TECHNOLOGIES, INC.
00:A0:DF:00:00:00 /24
MA-L
🇺🇸 Stuart Manufacturing, Inc.
E4:57:A8:00:00:00 /24
MA-L
🇺🇸 Studio Technologies, Inc.
00:04:22:00:00:00 /24
MA-L
🇺🇸 SUB-ZERO GROUP, INC.
80:79:EF:00:00:00 /24
MA-L
🇺🇸 Subeca
5C:2D:08:00:00:00 /24
MA-L
🇺🇸 Subinitial LLC
70:B3:D5:D9:C0:00 /36
MA-S
🇺🇸 SubPac
40:F3:85:00:00:00 /28
MA-M
🇺🇸 Subscriber Networks, Inc.
6C:42:AB:00:00:00 /24
MA-L
🇺🇸 Subsea Systems, Inc.
00:50:C2:EA:30:00 /36
IAB
🇺🇸 Subtle Computing
80:B2:69:00:00:00 /24
MA-L
🇺🇸 Sullair Corporation
00:04:AE:00:00:00 /24
MA-L
🇺🇸 Summer Infant, Inc.
0C:C8:1F:00:00:00 /24
MA-L
🇺🇸 Summit Avionics, Inc.
00:50:C2:0D:70:00 /36
IAB
🇺🇸 Summit Data Communications
00:17:23:00:00:00 /24
MA-L
🇺🇸 SUMMIT MICROSYSTEMS CORP.
00:80:8A:00:00:00 /24
MA-L
🇺🇸 Summit Technology Group
2C:CD:43:00:00:00 /24
MA-L
🇺🇸 Sun Conversion Technologies
00:40:76:00:00:00 /24
MA-L
🇺🇸 Sun Fountainhead USA. Corp
CC:CC:4E:00:00:00 /24
MA-L
🇺🇸 Sunair Electronics
8C:1F:64:E8:10:00 /36
MA-S
🇺🇸 SUNDANCE TECHNOLOGY, INC.
00:10:ED:00:00:00 /24
MA-L
🇺🇸 Sunhillo Corporation
00:16:43:00:00:00 /24
MA-L
🇺🇸 SunPower Corp
00:22:F2:00:00:00 /24
MA-L
🇺🇸 SunReports, Inc.
6C:5C:DE:00:00:00 /24
MA-L
🇺🇸 Sunrise Systems Electronics Co. Inc.
70:B3:D5:BB:E0:00 /36
MA-S
🇺🇸 Sunrise Technologies
C8:84:39:00:00:00 /24
MA-L
🇺🇸 SUNRISE TELECOM, INC.
00:D0:DD:00:00:00 /24
MA-L
🇺🇸 Sunsa, Inc
2C:69:1D:30:00:00 /28
MA-M
🇺🇸 Sunsa, Inc
70:B3:D5:BF:F0:00 /36
MA-S