58,306 registered blocks.

🇺🇸 Critical Link LLC 70:B3:D5:E5:E0:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:EF:90:00 /36 MA-S 🇺🇸 Critical Link LLC 70:B3:D5:F1:D0:00 /36 MA-S 🇺🇸 Critical Loop 60:15:9F:70:00:00 /28 MA-M 🇵🇹 Critical Software SA 8C:1F:64:D5:20:00 /36 MA-S 🇺🇸 Criticare Systems, Inc 44:59:9F:00:00:00 /24 MA-L 🇺🇸 Criticare Systems, Inc 00:50:C2:C9:80:00 /36 IAB 🇺🇸 CROMEMCO INCORPORATED 08:00:04:00:00:00 /24 MA-L 🇬🇧 Crompton Instruments 60:10:A2:00:00:00 /24 MA-L 🇪🇸 Cronoplast S.L. 40:BC:73:00:00:00 /24 MA-L 🇮🇹 CRONOS S.r.l. 00:05:98:00:00:00 /24 MA-L 🇬🇧 Cronus Electronics 8C:1F:64:B0:80:00 /36 MA-S 🇷🇺 Cronyx Engineering 00:09:94:00:00:00 /24 MA-L 🇸🇪 Cross Country Systems AB 00:50:C2:8F:E0:00 /36 IAB 🇨🇦 Cross Match Technologies Inc 00:17:C6:00:00:00 /24 MA-L 🇨🇨 Cross Point BV 84:F6:4C:00:00:00 /24 MA-L 🇬🇧 Cross Products Ltd. 00:50:C2:01:B0:00 /36 IAB 🇺🇸 CrossBar, Inc. 8C:1F:64:31:00:00 /36 MA-S 🇺🇸 Crossbeam Systems, Inc. 00:03:D2:00:00:00 /24 MA-L 🇺🇸 Crossbow Technology, Inc 00:1A:4C:00:00:00 /24 MA-L 🇺🇸 Crossbow Technology, Inc. 00:50:C2:2F:30:00 /36 IAB 🇺🇸 CROSSCOMM CORPORATION 00:00:98:00:00:00 /24 MA-L 🇩🇪 Crossing Informationssysteme GmbH 00:50:C2:35:30:00 /36 IAB 🇩🇪 Crossmatch Technologies/HID Global 00:06:33:00:00:00 /24 MA-L 🇺🇸 Crossmatch Technologies/HID Global 00:30:8E:00:00:00 /24 MA-L 🇺🇸 Crossport Systems 00:06:09:00:00:00 /24 MA-L 🇺🇸 Crossport Systems 00:50:C2:08:50:00 /36 IAB 🇺🇸 CROSSROADS SYSTEMS, INC. 00:E0:02:00:00:00 /24 MA-L 🇹🇼 Crosstek Co., Ltd 8C:1F:64:36:80:00 /36 MA-S 🇫🇷 Crouzet Automatismes 84:AC:FB:00:00:00 /24 MA-L 🇮🇱 Crow Electronic Engeneering 00:13:A1:00:00:00 /24 MA-L 🇺🇸 Crown Audio -- Harmanm International 00:0A:40:00:00:00 /24 MA-L 🇮🇳 Crown Solar Power Fencing Systems 70:B3:D5:9D:60:00 /36 MA-S 🇨🇳 CRRC DALIAN R&D CO.,LTD. 24:C1:BD:00:00:00 /24 MA-L 🇨🇳 CRRC Nangjing Puzhen Haitai Brake Equipment Co., LTD 78:13:05:60:00:00 /28 MA-M 🇨🇳 CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO.,LTD EC:9F:0D:B0:00:00 /28 MA-M 🇺🇸 Crtiical Link 00:50:C2:BF:80:00 /36 IAB 🇺🇸 CRU-Dataport 60:F5:9C:00:00:00 /24 MA-L 🇰🇷 CRUXELL Corp. 70:B3:D5:51:80:00 /36 MA-S 🇰🇷 CRUXELL Corp. 8C:1F:64:3E:10:00 /36 MA-S 🇺🇸 Cryogenic Control Systems, Inc. 00:50:C2:6F:40:00 /36 IAB 🇺🇸 Cryptek Inc. 00:00:8D:00:00:00 /24 MA-L 🇫🇷 cryptiris 00:50:C2:73:D0:00 /36 IAB 🇨🇭 CRYPTO AG 00:90:29:00:00:00 /24 MA-L 🇬🇷 Crypto S.A. 00:18:46:00:00:00 /24 MA-L 🇨🇦 Crypto4A Technologies 04:A1:6F:30:00:00 /28 MA-M 🇨🇦 CryptoMetrics 00:1E:34:00:00:00 /24 MA-L 🇷🇺 Cryptosoft 00:14:64:00:00:00 /24 MA-L 🇺🇸 Cryptotronix LLC 70:B3:D5:0D:B0:00 /36 MA-S 🇦🇺 Cryptsoft Pty Ltd 00:1E:B1:00:00:00 /24 MA-L 🇸🇪 Crystal Alarm AB D0:16:F0:90:00:00 /28 MA-M 🇺🇸 Crystal Group, Inc. 00:90:D6:00:00:00 /24 MA-L 🇺🇸 Crystal Group, Inc. 00:91:D6:00:00:00 /24 MA-L 🇺🇸 CRYSTAL SEMICONDUCTOR CORP. 00:60:11:00:00:00 /24 MA-L 🇬🇧 Crystal Vision Ltd 84:DE:3D:00:00:00 /24 MA-L 🇬🇧 Crystal Vision Ltd 00:50:C2:26:C0:00 /36 IAB 🇺🇸 Crystalfontz America, Inc. 58:B9:E1:00:00:00 /24 MA-L 🇩🇪 CS COMPUTER SYSTEME GmbH 00:A0:5D:00:00:00 /24 MA-L 🇰🇷 CS Corporation 00:18:C3:00:00:00 /24 MA-L 🇭🇰 CS Instruments Asia 40:D8:55:05:10:00 /36 IAB 🇩🇪 CS Instruments GmbH 78:D8:00:40:00:00 /28 MA-M 🇯🇵 CS Services Co.,Ltd. 38:C7:BA:00:00:00 /24 MA-L 🇫🇷 CS Systemes De Securite - C3S 00:02:E9:00:00:00 /24 MA-L 🇫🇷 CS TELECOM 00:00:5D:00:00:00 /24 MA-L 🇩🇪 CS-Instruments 00:50:C2:D8:D0:00 /36 IAB 🇨🇿 CS-Tech s.r.o. 8C:1F:64:ED:70:00 /36 MA-S 🇩🇪 CSA Computer & Antriebstechnik GmbH 00:50:C2:2A:F0:00 /36 IAB 🇨🇭 CSA Engineering AG 00:50:C2:F8:90:00 /36 IAB 🇬🇧 CSE-Servelec Limited 18:9A:67:00:00:00 /24 MA-L 🇫🇷 CSEE Transport 00:07:03:00:00:00 /24 MA-L 🇨🇳 CSG Science & Technology Co.,Ltd.Hefei 24:EC:D6:00:00:00 /24 MA-L 🇧🇷 CSI Controles e Sistemas Industriais Ltda. 00:50:C2:C8:80:00 /36 IAB 🇺🇸 CSI-CONTROL SYSTEMS 00:10:C3:00:00:00 /24 MA-L 🇰🇷 CSINFOTEL 70:B3:D5:C9:70:00 /36 MA-S 🇰🇷 csintech 70:B3:D5:DB:60:00 /36 MA-S 🇿🇦 CSIR 00:A0:14:00:00:00 /24 MA-L 🇦🇺 CSIRO 8C:1F:64:62:60:00 /36 MA-S 🇦🇺 CSIRO - Division of Exploration and Mining 00:50:C2:3E:30:00 /36 IAB 🇰🇷 CSJ Global, Inc. 00:21:C6:00:00:00 /24 MA-L 🇯🇵 CSK CORPORATION 00:80:0B:00:00:00 /24 MA-L 🇬🇧 CSL Dualcom Ltd 54:AE:D2:00:00:00 /24 MA-L 🇩🇪 CSM GmbH D4:6C:DA:00:00:00 /24 MA-L 🇮🇹 CSM MACHINERY srl 70:B3:D5:FE:30:00 /36 MA-S 🇯🇵 CSP Frontier Technologies,Inc. 00:1C:60:00:00:00 /24 MA-L 🇺🇸 CSPI 00:E0:41:00:00:00 /24 MA-L 🇨🇳 CSR ZHUZHOU INSTITUTE CO.,LTD. AC:2A:0C:00:00:00 /24 MA-L 🇨🇦 CSS Inc. 00:12:CB:00:00:00 /24 MA-L 🇩🇪 CSS Industrie Computer GmbH 00:50:C2:11:F0:00 /36 IAB 🇺🇸 CSS LABS 00:00:38:00:00:00 /24 MA-L 🇸🇬 CSSI (S) Pte Ltd 00:24:3B:00:00:00 /24 MA-L 🇨🇳 CSST 04:75:F5:00:00:00 /24 MA-L 🇺🇸 CST Group 40:D8:55:0F:50:00 /36 IAB 🇯🇵 CSUN System Technology Co.,LTD BC:39:A6:00:00:00 /24 MA-L 🇷🇺 CT Company 18:74:E2:30:00:00 /28 MA-M 🇷🇺 CT Company 00:50:C2:46:20:00 /36 IAB 🇷🇺 CT Company 00:50:C2:85:60:00 /36 IAB 🇷🇺 CT Company 00:50:C2:A8:20:00 /36 IAB 🇷🇺 CT Company 00:50:C2:B6:F0:00 /36 IAB 🇷🇺 CT Company 00:50:C2:CA:30:00 /36 IAB 🇷🇺 CT Company 00:50:C2:DC:B0:00 /36 IAB