17,378 blocks registered in United States.

🇺🇸 Spaceflight Industries 70:B3:D5:98:F0:00 /36 MA-S 🇺🇸 SPACELABS MEDICAL 00:A0:AA:00:00:00 /24 MA-L 🇺🇸 Spacelink 10:34:1B:00:00:00 /24 MA-L 🇺🇸 Spacelite Inc 8C:1F:64:43:A0:00 /36 MA-S 🇺🇸 Spacesaver Corporation 00:50:C2:25:80:00 /36 IAB 🇺🇸 Span.IO, Inc. 98:6E:E8:90:00:00 /28 MA-M 🇺🇸 Spanawave Corporation 70:B3:D5:DF:F0:00 /36 MA-S 🇺🇸 Spang Power Electronics 58:FC:DB:00:00:00 /28 MA-M 🇺🇸 Spang Power Electronics 00:50:C2:DA:E0:00 /36 IAB 🇺🇸 Spans Logic 00:17:DA:00:00:00 /24 MA-L 🇺🇸 SPANSION 00:50:C2:59:60:00 /36 IAB 🇺🇸 Spark Biomedical CC:4F:5C:40:00:00 /28 MA-M 🇺🇸 SPARKTRUM MICROSYSTEMS, INC. 00:C0:C7:00:00:00 /24 MA-L 🇺🇸 Sparton Electronics 00:50:C2:67:B0:00 /36 IAB 🇺🇸 Spatial Hover Inc D4:A0:FB:B0:00:00 /28 MA-M 🇺🇸 Spawn Labs, Inc 44:56:B7:00:00:00 /24 MA-L 🇺🇸 Speakercraft Inc. 00:1F:40:00:00:00 /24 MA-L 🇺🇸 SpeasTech, Inc. 00:50:C2:51:A0:00 /36 IAB 🇺🇸 Special Projects Group, Inc 70:B3:D5:2F:D0:00 /36 MA-S 🇺🇸 Special Services Group, LLC 70:B3:D5:0F:80:00 /36 MA-S 🇺🇸 Special Systems Engineering Center LLC 00:50:C2:F4:30:00 /36 IAB 🇺🇸 SPECIALIX (ASIA) PTE, LTD 00:80:BA:00:00:00 /24 MA-L 🇺🇸 Specialized Communications Corp. 00:50:C2:8A:00:00 /36 IAB 🇺🇸 Specialized Communications Corp. 70:B3:D5:86:70:00 /36 MA-S 🇺🇸 Specialized Communications Corp. 8C:1F:64:9E:C0:00 /36 MA-S 🇺🇸 Specialty Microwave Corp 00:50:C2:EF:20:00 /36 IAB 🇺🇸 Speco Technologies 5C:F2:07:00:00:00 /24 MA-L 🇺🇸 SPECTRA LOGIC 00:90:A5:00:00:00 /24 MA-L 🇺🇸 SpectraDynamics, Inc. 8C:1F:64:58:10:00 /36 MA-S 🇺🇸 SPECTRAGRAPHICS CORPORATION 00:00:35:00:00:00 /24 MA-L 🇺🇸 Spectral Instruments, Inc. 00:19:2E:00:00:00 /24 MA-L 🇺🇸 Spectralink, Inc 00:90:7A:00:00:00 /24 MA-L 🇺🇸 Spectranetix 8C:59:3C:50:00:00 /28 MA-M 🇺🇸 Spectrapoint Wireless, LLC 00:30:89:00:00:00 /24 MA-L 🇺🇸 SPECTRIX CORPORATION 00:20:F4:00:00:00 /24 MA-L 🇺🇸 Spectrum Brands 70:B3:D5:25:40:00 /36 MA-S 🇺🇸 Spectrum Control, Inc. 00:06:74:00:00:00 /24 MA-L 🇺🇸 Spectrum Controls, Inc. 00:02:83:00:00:00 /24 MA-L 🇺🇸 Spectrum Digital, Inc 00:0E:99:00:00:00 /24 MA-L 🇺🇸 Spectrum Management, LC 00:50:C2:87:A0:00 /36 IAB 🇺🇸 Spectrum Medical Limited 2C:44:1B:00:00:00 /24 MA-L 🇺🇸 Spectrum Techniques, LLC 70:B3:D5:95:30:00 /36 MA-S 🇺🇸 SPEED INTERNATIONAL 00:80:A5:00:00:00 /24 MA-L 🇺🇸 Speedcom Wireless 00:05:D5:00:00:00 /24 MA-L 🇺🇸 Spellman High Voltage Electronics Corp 00:50:C2:28:F0:00 /36 IAB 🇺🇸 Sperian Protection Instrumentation 00:14:07:00:00:00 /24 MA-L 🇺🇸 SPHERE COMMUNICATIONS, INC. 00:E0:1B:00:00:00 /24 MA-L 🇺🇸 SpiderCloud Wireless, Inc 00:24:48:00:00:00 /24 MA-L 🇺🇸 Spinnaker Networks, Inc. 00:04:10:00:00:00 /24 MA-L 🇺🇸 Spirent Communications 00:50:C2:73:10:00 /36 IAB 🇺🇸 Spirent Communications 00:50:C2:C5:60:00 /36 IAB 🇺🇸 Spirent Communications 00:50:C2:FF:C0:00 /36 IAB 🇺🇸 Spirent plc, Service Assurance Broadband 00:10:5E:00:00:00 /24 MA-L 🇺🇸 Sportsbeams Lighting, Inc. 70:B3:D5:01:30:00 /36 MA-S 🇺🇸 Sportsbeams Lighting, Inc. 70:B3:D5:9C:20:00 /36 MA-S 🇺🇸 Sportvision Inc. 00:50:C2:B3:B0:00 /36 IAB 🇺🇸 Sportzcast 70:B3:D5:D2:90:00 /36 MA-S 🇺🇸 Spot AI, Inc. 0C:CC:47:B0:00:00 /28 MA-M 🇺🇸 Spot AI, Inc. 5C:5A:4C:80:00:00 /28 MA-M 🇺🇸 Spot AI, Inc. B4:4D:43:60:00:00 /28 MA-M 🇺🇸 Spotify USA Inc. 30:E3:D6:00:00:00 /24 MA-L 🇺🇸 SpotterRF LLC 8C:51:09:C0:00:00 /28 MA-M 🇺🇸 Spraying Systems Co. 68:91:D0:C0:00:00 /28 MA-M 🇺🇸 SPRING TIDE NETWORKS, INC. 00:50:19:00:00:00 /24 MA-L 🇺🇸 SPUR PRODUCTS CORP. 00:A0:42:00:00:00 /24 MA-L 🇺🇸 SPX Flow Technology 00:50:C2:A9:30:00 /36 IAB 🇺🇸 SPX Flow Technology 8C:1F:64:B8:40:00 /36 MA-S 🇺🇸 SPX-ATEG 00:50:6B:00:00:00 /24 MA-L 🇺🇸 SQUARE D COMPANY 00:80:67:00:00:00 /24 MA-L 🇺🇸 Square Inc. 44:59:25:00:00:00 /24 MA-L 🇺🇸 Square Inc. 1C:59:74:60:00:00 /28 MA-M 🇺🇸 Square Inc. 2C:D1:41:D0:00:00 /28 MA-M 🇺🇸 Square Inc. 8C:47:6E:50:00:00 /28 MA-M 🇺🇸 Squirrels Research Labs LLC 5C:23:16:00:00:00 /24 MA-L 🇺🇸 SRC Computers, LLC 88:36:12:00:00:00 /24 MA-L 🇺🇸 SRC Computers, LLC 00:50:C2:C2:00:00 /36 IAB 🇺🇸 SRI International 00:50:C2:2E:90:00 /36 IAB 🇺🇸 SRT Wireless 74:14:89:00:00:00 /24 MA-L 🇺🇸 SS Systems LLC 00:50:C2:BD:C0:00 /36 IAB 🇺🇸 SSL - Electrical Aerospace Ground Equipment Section 70:B3:D5:03:B0:00 /36 MA-S 🇺🇸 St Jude Medical, Inc. 00:50:C2:83:10:00 /36 IAB 🇺🇸 Stable Imaging Solutions LLC FC:E1:D9:00:00:00 /24 MA-L 🇺🇸 Staccato Communications Inc. 00:19:59:00:00:00 /24 MA-L 🇺🇸 Staco Energy Products 8C:1F:64:4F:40:00 /36 MA-S 🇺🇸 Standard Backhaul Communications EC:74:CD:50:00:00 /28 MA-M 🇺🇸 Standard Change Makers 40:D8:55:18:50:00 /36 IAB 🇺🇸 Standard Comm. Corp. 00:50:C2:15:90:00 /36 IAB 🇺🇸 STANDARD MICROSYSTEMS 00:80:0F:00:00:00 /24 MA-L 🇺🇸 STANDARD MICROSYSTEMS CORP. 00:E0:29:00:00:00 /24 MA-L 🇺🇸 STANFORD LINEAR ACCEL. CENTER 08:00:56:00:00:00 /24 MA-L 🇺🇸 Stanford Research Systems 00:19:B3:00:00:00 /24 MA-L 🇺🇸 STANFORD TELECOMM. INC. 08:00:55:00:00:00 /24 MA-L 🇺🇸 Stanford University, OpenFlow Group 00:26:E1:00:00:00 /24 MA-L 🇺🇸 Stanley Black & Decker 04:00:67:00:00:00 /24 MA-L 🇺🇸 Stanley Security 90:E2:FC:C0:00:00 /28 MA-M 🇺🇸 Stanley Security Solutions 0C:6A:E6:00:00:00 /24 MA-L 🇺🇸 Stanley Security Solutions, Inc. 00:50:C2:6F:00:00 /36 IAB 🇺🇸 Stanton Magnetics,inc. 00:12:60:00:00:00 /24 MA-L 🇺🇸 Star Gate Technologies 00:00:E7:00:00:00 /24 MA-L 🇺🇸 STAR TECHNOLOGIES, INC. 00:40:52:00:00:00 /24 MA-L