17,370 blocks registered in United States.

🇺🇸 Core Tec Communications, LLC 00:0A:FC:00:00:00 /24 MA-L 🇺🇸 CorEdge Networks, Inc. 00:13:7E:00:00:00 /24 MA-L 🇺🇸 Corega of America 00:04:1D:00:00:00 /24 MA-L 🇺🇸 CoreKinect 70:B3:D5:84:C0:00 /36 MA-S 🇺🇸 CORELIS Inc. 00:60:B8:00:00:00 /24 MA-L 🇺🇸 CoreOS B4:74:47:00:00:00 /24 MA-L 🇺🇸 Corespan Systems 8C:1F:64:58:40:00 /36 MA-S 🇺🇸 CoreStar International Corp 00:14:B3:00:00:00 /24 MA-L 🇺🇸 CoreStreet, Ltd 00:50:C2:40:60:00 /36 IAB 🇺🇸 Coriant C8:DE:C9:00:00:00 /24 MA-L 🇺🇸 Corinex Communication Corp. 00:0B:C2:00:00:00 /24 MA-L 🇺🇸 Coriolis Networks 00:02:73:00:00:00 /24 MA-L 🇺🇸 Cornami, Inc 90:43:E2:00:00:00 /24 MA-L 🇺🇸 Cornelis Networks, Inc. D0:06:6A:00:00:00 /24 MA-L 🇺🇸 CORNELL Communications, Inc. 00:21:C3:00:00:00 /24 MA-L 🇺🇸 CORNELL UNIVERSITY 00:60:55:00:00:00 /24 MA-L 🇺🇸 Cornet Technology, Inc. 00:03:23:00:00:00 /24 MA-L 🇺🇸 Cornfed Systems LLC 40:D8:55:1C:30:00 /36 IAB 🇺🇸 Corning Incorporated 00:30:35:00:00:00 /24 MA-L 🇺🇸 COROLLARY, INC. 00:40:6E:00:00:00 /24 MA-L 🇺🇸 COROMETRICS MEDICAL SYSTEMS 00:C0:1A:00:00:00 /24 MA-L 🇺🇸 CORPORATE NETWORK SYSTEMS,INC. 00:C0:B5:00:00:00 /24 MA-L 🇺🇸 Corporate Systems Engineering 1C:87:76:70:00:00 /28 MA-M 🇺🇸 Corporate Systems Engineering 00:1B:C5:01:50:00 /36 MA-S 🇺🇸 Corporation of the Presiding Bishop of The Church of Jesus Christ of Latter-day Saints 84:27:CE:00:00:00 /24 MA-L 🇺🇸 Corrent Corporation 00:0B:0B:00:00:00 /24 MA-L 🇺🇸 Corsair Memory, Inc. 80:7B:1E:00:00:00 /24 MA-L 🇺🇸 Cortex Security Inc FC:B5:77:00:00:00 /24 MA-L 🇺🇸 Cortex Systems BC:DF:E1:80:00:00 /28 MA-M 🇺🇸 Cortina Systems Inc 00:13:25:00:00:00 /24 MA-L 🇺🇸 Cortland Research, LLC FC:06:47:00:00:00 /24 MA-L 🇺🇸 Corvalent Corporation 00:07:B8:00:00:00 /24 MA-L 🇺🇸 Corventis Inc. 00:22:34:00:00:00 /24 MA-L 🇺🇸 CORVIS CORPORATION 00:50:72:00:00:00 /24 MA-L 🇺🇸 CORVUS SYSTEMS INC. 08:00:4D:00:00:00 /24 MA-L 🇺🇸 COSINE COMMUNICATIONS 00:D0:7D:00:00:00 /24 MA-L 🇺🇸 Cosine Systems, Inc. 00:50:C2:31:70:00 /36 IAB 🇺🇸 Costar Video Systems A0:C2:DE:00:00:00 /24 MA-L 🇺🇸 COSYSTEMS, INC. 00:50:26:00:00:00 /24 MA-L 🇺🇸 COTSWORKS 2A:15:97:00:00:00 /24 CID 🇺🇸 Cottonwood Creek Technologies, Inc. 70:B3:D5:9E:F0:00 /36 MA-S 🇺🇸 Coulomb Technologies 00:24:B1:00:00:00 /24 MA-L 🇺🇸 COULTER CORPORATION 00:A0:29:00:00:00 /24 MA-L 🇺🇸 COUNTERPOINT COMPUTER INC. 08:00:5E:00:00:00 /24 MA-L 🇺🇸 Countwise LTD 68:3B:1E:00:00:00 /24 MA-L 🇺🇸 Covergence Inc. 00:14:DD:00:00:00 /24 MA-L 🇺🇸 CoVi Technologies, Inc. 00:13:E3:00:00:00 /24 MA-L 🇺🇸 Cox Communications, Inc B8:D3:09:00:00:00 /24 MA-L 🇺🇸 COYOTE TECHNOLOGIES, LLC 00:10:B7:00:00:00 /24 MA-L 🇺🇸 cozybit, Inc. 4C:22:58:00:00:00 /24 MA-L 🇺🇸 CP CLARE CORP. 00:30:15:00:00:00 /24 MA-L 🇺🇸 cPacket Networks 00:1B:C5:01:70:00 /36 MA-S 🇺🇸 CPI EC:7D:9D:00:00:00 /24 MA-L 🇺🇸 CQOS, INC. 00:30:79:00:00:00 /24 MA-L 🇺🇸 CR Magnetics, Inc. 40:D8:55:00:40:00 /36 IAB 🇺🇸 Cradle Technologies 00:07:DD:00:00:00 /24 MA-L 🇺🇸 CradlePoint, Inc 00:30:44:00:00:00 /24 MA-L 🇺🇸 CradlePoint, Inc 00:E0:1C:00:00:00 /24 MA-L 🇺🇸 Craft Designs, Inc 0A:D9:C4:00:00:00 /24 CID 🇺🇸 Cranite Systems, Inc. 00:1C:86:00:00:00 /24 MA-L 🇺🇸 Cratos Networks 00:04:09:00:00:00 /24 MA-L 🇺🇸 Cray Inc 00:0E:AB:00:00:00 /24 MA-L 🇺🇸 Cray, Inc. 00:40:A6:00:00:00 /24 MA-L 🇺🇸 CreaTech Electronics Co. 00:50:C2:6A:30:00 /36 IAB 🇺🇸 Creation Technologies Chicago 00:50:C2:88:00:00 /36 IAB 🇺🇸 CREATIVE CONTROLLERS, INC. 00:A0:18:00:00:00 /24 MA-L 🇺🇸 Creative Electronics & Software, Inc. C0:CF:A3:00:00:00 /24 MA-L 🇺🇸 Creative Micro Design 00:50:C2:C8:90:00 /36 IAB 🇺🇸 Creative Retail Entertainment 00:50:C2:4E:F0:00 /36 IAB 🇺🇸 Creative Security Technology Inc. 00:8D:F4:C0:00:00 /28 MA-M 🇺🇸 Creative Synergy Ventures Pty. Ltd. 74:25:84:10:00:00 /28 MA-M 🇺🇸 Creative&Link Technology Limited 14:43:19:00:00:00 /24 MA-L 🇺🇸 Credo 9A:AD:CA:00:00:00 /24 CID 🇺🇸 Cree, Inc. E0:0D:B9:00:00:00 /24 MA-L 🇺🇸 CRemote, LLC B4:58:61:00:00:00 /24 MA-L 🇺🇸 CRESCENT NETWORKS, INC. 00:D0:B6:00:00:00 /24 MA-L 🇺🇸 Crest Audio 00:0C:3E:00:00:00 /24 MA-L 🇺🇸 CRESTRON ELECTRONICS, INC. 00:10:7F:00:00:00 /24 MA-L 🇺🇸 CRESTRON ELECTRONICS, INC. 94:88:35:00:00:00 /24 MA-L 🇺🇸 CRESTRON ELECTRONICS, INC. C4:42:68:00:00:00 /24 MA-L 🇺🇸 CREW by True Rowing, Inc. 34:E1:D1:C0:00:00 /28 MA-M 🇺🇸 Crexendo Business Solutions, Inc. AC:D1:80:00:00:00 /24 MA-L 🇺🇸 Cricut Inc. FC:97:A8:00:00:00 /24 MA-L 🇺🇸 Crimson Microsystems, Inc. 00:50:C2:5D:90:00 /36 IAB 🇺🇸 Crinis Networks, Inc. 00:0A:62:00:00:00 /24 MA-L 🇺🇸 CRISP AUTOMATION, INC 00:00:2B:00:00:00 /24 MA-L 🇺🇸 Critical IO, LLC 00:90:9E:00:00:00 /24 MA-L 🇺🇸 Critical Link C4:FF:BC:70:00:00 /28 MA-M 🇺🇸 Critical Link LLC 00:50:C2:49:D0:00 /36 IAB 🇺🇸 Critical Link LLC 00:50:C2:8F:40:00 /36 IAB 🇺🇸 Critical Link LLC 00:50:C2:E6:70:00 /36 IAB 🇺🇸 Critical Link LLC 00:50:C2:FC:60:00 /36 IAB 🇺🇸 Critical Link LLC 40:D8:55:17:C0:00 /36 IAB 🇺🇸 Critical Link LLC 70:B3:D5:42:A0:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:76:10:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:AF:90:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:B5:10:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:D5:C0:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:E5:E0:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:EF:90:00 /36 MA-S