17,315 blocks registered in United States.

🇺🇸 CAO Group 00:24:E3:00:00:00 /24 MA-L 🇺🇸 Cape 40:ED:98:50:00:00 /28 MA-M 🇺🇸 Capintec, Inc. 28:2C:02:E0:00:00 /28 MA-M 🇺🇸 Capital Equipment Corporation 00:01:94:00:00:00 /24 MA-L 🇺🇸 CaptionCall F8:82:00:00:00:00 /24 MA-L 🇺🇸 CaptionCall 48:65:EE:20:00:00 /28 MA-M 🇺🇸 Captivate Network DC:17:92:00:00:00 /24 MA-L 🇺🇸 CaptiveAire Systems Inc. 38:FD:FE:50:00:00 /28 MA-M 🇺🇸 CaptiveAire Systems Inc. 00:50:C2:CC:B0:00 /36 IAB 🇺🇸 Capton 00:50:C2:DA:70:00 /36 IAB 🇺🇸 Capwave Technologies Inc 74:F8:DB:B0:00:00 /28 MA-M 🇺🇸 Car Connectivity Consortium 04:DF:69:00:00:00 /24 MA-L 🇺🇸 Carbon, Inc. A4:11:63:50:00:00 /28 MA-M 🇺🇸 Card Access, Inc. 00:06:80:00:00:00 /24 MA-L 🇺🇸 Cardinal Health 70:B3:D5:75:E0:00 /36 MA-S 🇺🇸 Cardinal Kinetic 70:B3:D5:09:C0:00 /36 MA-S 🇺🇸 Cardinal Scale Mfg Co 00:50:C2:88:E0:00 /36 IAB 🇺🇸 Cardinal Scale Mfg Co 70:B3:D5:26:80:00 /36 MA-S 🇺🇸 Cardinal Scale Mfg Co 70:B3:D5:48:80:00 /36 MA-S 🇺🇸 Cardinal Scales Manufacturing Co 70:B3:D5:30:F0:00 /36 MA-S 🇺🇸 Cardinal Scales Manufacturing Co 70:B3:D5:E5:A0:00 /36 MA-S 🇺🇸 Cardinal Scales Manufacturing Co 8C:1F:64:0E:20:00 /36 MA-S 🇺🇸 Cardinal Scales Manufacturing Co 8C:1F:64:A6:F0:00 /36 MA-S 🇺🇸 Cardinal Scales Manufacturing Co 8C:1F:64:BD:B0:00 /36 MA-S 🇺🇸 Cardinal Scales Manufacturing Co 8C:1F:64:DD:50:00 /36 MA-S 🇺🇸 CardioMEMS Inc. 00:50:C2:73:40:00 /36 IAB 🇺🇸 CardioNet, Inc 00:0F:3E:00:00:00 /24 MA-L 🇺🇸 Cardiopulmonary Corp 3C:1A:57:00:00:00 /24 MA-L 🇺🇸 CARDKEY SYSTEMS, INC. 00:90:DE:00:00:00 /24 MA-L 🇺🇸 Care Bloom, LLC F4:A4:54:E0:00:00 /28 MA-M 🇺🇸 Care Everywhere LLC 00:1B:C5:02:C0:00 /36 MA-S 🇺🇸 care.ai C4:83:72:B0:00:00 /28 MA-M 🇺🇸 Career Technologies USA 84:A9:EA:00:00:00 /24 MA-L 🇺🇸 Carefree of Colorado F8:8A:3C:10:00:00 /28 MA-M 🇺🇸 Carefusion F8:C6:78:00:00:00 /24 MA-L 🇺🇸 CarePredict, Inc. 34:26:06:00:00:00 /24 MA-L 🇺🇸 Carestream Dental LLC 8C:1F:64:B7:70:00 /36 MA-S 🇺🇸 Carestream Health, Inc. 00:1D:4A:00:00:00 /24 MA-L 🇺🇸 CareView Communications F0:58:49:00:00:00 /24 MA-L 🇺🇸 Cargt Holdings LLC 34:5C:40:00:00:00 /24 MA-L 🇺🇸 Carina Technology 00:16:10:00:00:00 /24 MA-L 🇺🇸 CARLO GAVAZZI, INC. 00:50:A1:00:00:00 /24 MA-L 🇺🇸 Carlson Wireless Technologies Inc. 70:B3:D5:17:40:00 /36 MA-S 🇺🇸 Carnegie Robotics 2C:69:1D:60:00:00 /28 MA-M 🇺🇸 Carnegie Technologies CC:4D:38:00:00:00 /24 MA-L 🇺🇸 CARNEGIE-MELLON UNIVERSITY 08:00:7F:00:00:00 /24 MA-L 🇺🇸 CARRERA COMPUTERS, INC. 00:20:F8:00:00:00 /24 MA-L 🇺🇸 CARRIER ACCESS CORPORATION 00:E0:97:00:00:00 /24 MA-L 🇺🇸 Carrier Corporation 00:02:52:00:00:00 /24 MA-L 🇺🇸 Carrier Corporation 34:6D:9C:00:00:00 /24 MA-L 🇺🇸 CarrierComm Inc. 00:01:6D:00:00:00 /24 MA-L 🇺🇸 CAS Medical Systems, Inc 70:B3:D5:9D:B0:00 /36 MA-S 🇺🇸 Casabyte 00:50:C2:0C:10:00 /36 IAB 🇺🇸 Casabyte Inc. 00:50:C2:3C:20:00 /36 IAB 🇺🇸 Casabyte Inc. 00:50:C2:69:60:00 /36 IAB 🇺🇸 Casabyte Inc. 00:50:C2:A3:40:00 /36 IAB 🇺🇸 CASCADE COMMUNICATIONS 00:40:FB:00:00:00 /24 MA-L 🇺🇸 CASCADE COMMUNICATIONS 00:60:D1:00:00:00 /24 MA-L 🇺🇸 Cascadia Motion LLC 18:C3:E4:B0:00:00 /28 MA-M 🇺🇸 Caspian 00:16:D2:00:00:00 /24 MA-L 🇺🇸 Caspian Networks 00:50:C2:07:D0:00 /36 IAB 🇺🇸 Cast Iron Systems 00:50:C2:3F:F0:00 /36 IAB 🇺🇸 Castelion Corporation 6C:4E:B0:00:00:00 /24 MA-L 🇺🇸 CASTELLE CORPORATION 00:00:44:00:00:00 /24 MA-L 🇺🇸 CastGrabber, LLC 00:1C:BC:00:00:00 /24 MA-L 🇺🇸 CASTLE ROCK COMPUTING 00:80:2E:00:00:00 /24 MA-L 🇺🇸 CASTLE ROCK, INC. 00:20:5E:00:00:00 /24 MA-L 🇺🇸 Catalyst Enterprises, Inc. 00:0E:85:00:00:00 /24 MA-L 🇺🇸 Catapult Communications 00:03:A2:00:00:00 /24 MA-L 🇺🇸 Catapult Sports Inc 34:D7:F5:E0:00:00 /28 MA-M 🇺🇸 CATCH THE WIND INC 04:94:A1:00:00:00 /24 MA-L 🇺🇸 Catcher, Inc. 00:18:4A:00:00:00 /24 MA-L 🇺🇸 Category Solutions, Inc 00:11:87:00:00:00 /24 MA-L 🇺🇸 Caterpillar Inc. 0A:E4:71:00:00:00 /24 CID 🇺🇸 Caterpillar Trimble Control Technologies 7C:6F:06:00:00:00 /24 MA-L 🇺🇸 Caterpillar, Inc 00:0A:75:00:00:00 /24 MA-L 🇺🇸 CAVALRY STORAGE INC 80:E4:DA:50:00:00 /28 MA-M 🇺🇸 CAVALRY STORAGE INC 40:D8:55:10:F0:00 /36 IAB 🇺🇸 Cavanagh Group International E0:3E:4A:00:00:00 /24 MA-L 🇺🇸 Cavera Systems 00:13:F9:00:00:00 /24 MA-L 🇺🇸 Cavium 00:0F:B7:00:00:00 /24 MA-L 🇺🇸 Cavium Inc 34:80:0D:00:00:00 /24 MA-L 🇺🇸 Cavli Inc. 2C:9E:E0:00:00:00 /24 MA-L 🇺🇸 CAYMAN SYSTEMS INC. 00:00:89:00:00:00 /24 MA-L 🇺🇸 CBM of America 00:1E:7F:00:00:00 /24 MA-L 🇺🇸 cd3o 00:0B:D3:00:00:00 /24 MA-L 🇺🇸 CDSA Dam Neck 00:50:C2:74:70:00 /36 IAB 🇺🇸 CDSI 8C:1F:64:BF:80:00 /36 MA-S 🇺🇸 CDYNE Corporation 5C:CE:AD:00:00:00 /24 MA-L 🇺🇸 CE LABS, LLC E4:4C:C7:50:00:00 /28 MA-M 🇺🇸 Cedar Point Communications 00:0A:A0:00:00:00 /24 MA-L 🇺🇸 CEIVA Logic, Inc D4:50:7A:00:00:00 /24 MA-L 🇺🇸 CELCORE, INC. 00:60:5A:00:00:00 /24 MA-L 🇺🇸 Celestial Audio 00:50:C2:F6:70:00 /36 IAB 🇺🇸 Celio Corp 00:1E:C4:00:00:00 /24 MA-L 🇺🇸 Celite Systems, Inc. 00:50:C2:15:E0:00 /36 IAB 🇺🇸 Cellco Partnership E4:A7:FD:00:00:00 /24 MA-L 🇺🇸 CellPlus technologies, Inc. 00:50:C2:C5:E0:00 /36 IAB 🇺🇸 CELLPORT LABS, INC. 00:E0:53:00:00:00 /24 MA-L 🇺🇸 Cellular Specialties, Inc. 70:B3:D5:3C:20:00 /36 MA-S