58,247 registered blocks.

🇨🇦 Active Control Technology Inc. D0:58:75:00:00:00 /24 MA-L 🇬🇧 ACTIVE IMAGING PLC 00:60:25:00:00:00 /24 MA-L 🇺🇸 Active Optical Systems, LLC 8C:1F:64:A6:00:00 /36 MA-S 🇺🇸 ACTIVE POWER 00:30:A5:00:00:00 /24 MA-L 🇬🇧 Active Research Limited F8:C9:D6:40:00:00 /28 MA-M 🇬🇧 Active Research Limited 70:B3:D5:6A:00:00 /36 MA-S 🇬🇧 Active Research Limited 8C:1F:64:0C:00:00 /36 MA-S 🇬🇧 Active Research Limited 8C:1F:64:5C:50:00 /36 MA-S 🇬🇧 Active Silicon Ltd 00:05:91:00:00:00 /24 MA-L 🇺🇸 Active Storage Inc. 00:22:C1:00:00:00 /24 MA-L 🇯🇵 Active Tchnology Corporation 00:0A:2C:00:00:00 /24 MA-L 🇺🇸 Activetelco 00:01:DC:00:00:00 /24 MA-L 🇯🇵 ACTIVIO Inc. A4:5E:5A:00:00:00 /24 MA-L 🇫🇷 ActivNetworks 00:12:03:00:00:00 /24 MA-L 🇯🇵 Actlas Inc. 44:EA:4B:00:00:00 /24 MA-L 🇺🇸 ACTP, Inc. 8C:CD:A2:00:00:00 /24 MA-L 🇳🇿 Actronic Technologies 40:D8:55:15:D0:00 /36 IAB 🇫🇷 Actronika SAS 8C:1F:64:EC:10:00 /36 MA-S 🇺🇸 Actuality Systems, Inc. 00:11:96:00:00:00 /24 MA-L 🇮🇹 Acube Systems s.r.l. 00:50:C2:80:D0:00 /36 IAB 🇩🇰 Acubit 5C:FA:FB:00:00:00 /24 MA-L 🇺🇸 ACUCOMM, INC. 00:90:37:00:00:00 /24 MA-L 🇺🇸 Acuity Brands Lighting 5C:6A:EC:00:00:00 /28 MA-M 🇺🇸 ACUITY IMAGING, INC. 00:60:33:00:00:00 /24 MA-L 🇹🇼 Acula Technology Corp 0C:BF:B4:00:00:00 /28 MA-M 🇬🇧 Aculab PLC 00:02:1F:00:00:00 /24 MA-L 🇺🇸 Acumen 74:EC:F1:00:00:00 /24 MA-L 🇧🇪 Acunia N.V. 00:50:C2:16:40:00 /36 IAB 🇰🇷 Acuris Inc 8C:1F:64:25:F0:00 /36 MA-S 🇳🇿 Acurix Networks Pty Ltd F0:FD:A0:00:00:00 /24 MA-L 🇺🇸 Acuro Networks, Inc EC:B1:06:00:00:00 /24 MA-L 🇺🇸 ACUSON COMPUTED SONOGRAPHY 00:C0:C3:00:00:00 /24 MA-L 🇹🇼 ACUTE COMMUNICATIONS CORP. 00:D0:F9:00:00:00 /24 MA-L 🇯🇵 Acutelogic Corporation 00:50:C2:49:60:00 /36 IAB 🇪🇸 Acutronic Link Robotics AG 70:B3:D5:21:A0:00 /36 MA-S 🇹🇼 Acutvista Innovation Co., Ltd. A0:B6:62:00:00:00 /24 MA-L 🇩🇪 ACX GmbH 70:31:87:00:00:00 /24 MA-L 🇪🇸 AD HOC DEVELOPMENTS S.L B0:B3:53:30:00:00 /28 MA-M 🇪🇸 AD HOC DEVELOPMENTS S.L B4:4D:43:90:00:00 /28 MA-M 🇪🇸 AD Parts, S.L. 8C:1F:64:29:E0:00 /36 MA-S 🇫🇷 AD QUALITE 40:D8:55:1E:10:00 /36 IAB 🇯🇵 AD SYSTEMS CORP. 00:50:D5:00:00:00 /24 MA-L 🇯🇵 Ad-Sol Nissin Corp 10:6F:EF:00:00:00 /24 MA-L 🇮🇹 AD.EL s.r.l. 00:13:40:00:00:00 /24 MA-L 🇯🇵 Adachi-Syokai Co., Ltd. 00:27:16:00:00:00 /24 MA-L 🇺🇸 Adafruit 98:76:B6:00:00:00 /24 MA-L 🇩🇪 ADAM Audio GmbH F0:D7:AF:40:00:00 /28 MA-M 🇬🇧 Adam Communications Systems Int Ltd 00:1D:64:00:00:00 /24 MA-L 🇹🇷 ADAM ELEKTRONIK LTD. ŞTI 00:0A:EA:00:00:00 /24 MA-L 🇩🇪 Adam Hall GmbH A8:5B:36:D0:00:00 /28 MA-M 🇩🇪 ADAMCZEWSKI elektronische Messtechnik GmbH 70:B3:D5:36:40:00 /36 MA-S 🇩🇪 ADAMCZEWSKI elektronische Messtechnik GmbH 8C:1F:64:F4:E0:00 /36 MA-S 🇨🇦 Adamson Systems Engineering C0:A8:F0:00:00:00 /24 MA-L 🇰🇷 Adanis Inc. 18:6D:99:00:00:00 /24 MA-L 🇺🇸 Adapcom 00:02:87:00:00:00 /24 MA-L 🇺🇸 Adapt-IP 10:C6:5E:00:00:00 /24 MA-L 🇺🇸 Adapt4, LLC 00:13:DE:00:00:00 /24 MA-L 🇺🇸 ADAPTEC INCORPORATED 00:00:D1:00:00:00 /24 MA-L 🇺🇸 Adapteva, Inc. 04:4F:8B:00:00:00 /24 MA-L 🇺🇸 Adaptiv LTD 8C:1F:64:69:30:00 /36 MA-S 🇺🇸 Adaptive Instruments 00:0F:B9:00:00:00 /24 MA-L 🇺🇸 Adaptive Micro Systems Inc. 00:0E:12:00:00:00 /24 MA-L 🇺🇸 Adaptive Micro-Ware Inc. 00:1A:0A:00:00:00 /24 MA-L 🇭🇺 Adaptive Recognition Hungary, Inc 00:1D:4D:00:00:00 /24 MA-L 🇺🇸 Adaptive Spectrum and Signal Alignment (ASSIA), Inc. 78:02:8F:00:00:00 /24 MA-L 🇺🇸 ADAPTIVE SYSTEMS, INC. 00:80:27:00:00:00 /24 MA-L 🇺🇸 Adaptive Technologies, Inc. 00:50:C2:E8:10:00 /36 IAB 🇺🇸 Adaptive Wireless Solutions, LLC A4:4E:2D:00:00:00 /24 MA-L 🇺🇸 Adaptix, Inc 00:12:61:00:00:00 /24 MA-L 🇺🇸 Adaptrum Inc. F0:F5:AE:00:00:00 /24 MA-L 🇮🇱 Adasky Ltd. 8C:1F:64:71:B0:00 /36 MA-S 🇺🇸 ADASTRA SYSTEMS CORP. 00:20:0C:00:00:00 /24 MA-L 🇹🇼 ADATA Technology Co., Ltd 70:7C:18:00:00:00 /24 MA-L 🇪🇸 ADATEL TELECOMUNICACIONES S.A. 00:50:C2:43:50:00 /36 IAB 🇩🇪 Adatis GmbH & Co. KG 10:62:C9:00:00:00 /24 MA-L 🇺🇸 Adax, Inc. 00:07:10:00:00:00 /24 MA-L 🇨🇭 Adaxys Solutions AG A4:B2:A7:00:00:00 /24 MA-L 🇹🇼 Aday Technology Inc 00:11:C0:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:08:27:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:13:C8:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:17:C2:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:19:3E:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:1C:A2:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:1D:8B:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:22:33:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:23:8E:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:25:53:00:00:00 /24 MA-L 🇺🇸 ADB Broadband Italia 00:8C:54:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 00:A0:2F:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 30:39:F2:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 38:22:9D:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 64:87:D7:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 74:88:8B:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia 84:26:15:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia A0:4F:D4:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia A4:52:6F:00:00:00 /24 MA-L ADB Broadband Italia A4:5D:A1:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia D0:D4:12:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia D4:D1:84:00:00:00 /24 MA-L 🇮🇹 ADB Broadband Italia DC:0B:1A:00:00:00 /24 MA-L