58,455 registered blocks.

🇬🇧 Malvern Instruments Ltd 70:AD:54:00:00:00 /24 MA-L 🇺🇸 MAMAC Systems, Inc. 00:50:C2:A1:E0:00 /36 IAB 🇺🇸 MAMAC Systems, Inc. 70:B3:D5:BA:20:00 /36 MA-S 🇯🇵 Mamiya Digital Imaging Co., Ltd. 00:1A:A8:00:00:00 /24 MA-L 🇯🇵 Mamiya-OP Co.,Ltd. 00:09:BE:00:00:00 /24 MA-L 🇨🇳 MAMMOTHTEK CLOUD(DONG GUAN)TECHNOLOGY CO., LTD 94:C9:B7:70:00:00 /28 MA-M 🇩🇪 managee GmbH & Co KG 70:B3:D5:5F:00:00 /36 MA-S 🇯🇵 Management Service Corporation 38:FD:FE:A0:00:00 /28 MA-M 🇰🇷 manageon 8C:1F:64:A1:C0:00 /36 MA-S 🇨🇭 Mandozzi Elettronica SA 00:50:C2:4E:B0:00 /36 IAB 🇺🇸 Mango Communicaitons Inc. 40:D8:55:04:20:00 /36 IAB 🇮🇱 MANGO DSP Ltd. 00:50:C2:39:70:00 /36 IAB 🇺🇸 Mango DSP, Inc 00:50:C2:F0:10:00 /36 IAB 🇺🇸 Mango DSP, Inc. 00:50:C2:FE:80:00 /36 IAB 🇺🇸 Mango DSP, Inc. 40:D8:55:12:B0:00 /36 IAB 🇺🇸 Mango DSP, Inc. 70:B3:D5:6D:F0:00 /36 MA-S 🇺🇸 MangoBoost Inc CC:03:88:00:00:00 /24 MA-L 🇮🇱 MangoDSP 00:50:C2:64:B0:00 /36 IAB 🇮🇱 MangoDSP 00:50:C2:6E:40:00 /36 IAB 🇮🇱 MangoDSP 00:50:C2:7F:70:00 /36 IAB 🇮🇱 MangoDSP 00:50:C2:91:C0:00 /36 IAB 🇮🇱 MangoDSP 00:50:C2:BA:F0:00 /36 IAB 🇮🇱 MangoDSP 00:50:C2:DA:10:00 /36 IAB 🇺🇸 Mangrove Systems, Inc. 00:0F:07:00:00:00 /24 MA-L 🇬🇧 Manhattan TV Ltd 00:1F:49:00:00:00 /24 MA-L 🇳🇱 MaNima Technologies BV 70:B3:D5:DD:90:00 /36 MA-S 🇺🇸 Manitowoc Ice 00:50:C2:DA:60:00 /36 IAB 🇦🇺 Mannesman Dematic Colby Pty. Ltd. 00:02:4D:00:00:00 /24 MA-L 🇳🇱 Mannesmann Ipulsys B.V. 00:B0:80:00:00:00 /24 MA-L 🇩🇪 MANNESMANN SCANGRAPHIC GMBH 00:40:81:00:00:00 /24 MA-L 🇺🇸 MANNESMANN TALLY CORPORATION 00:A0:6D:00:00:00 /24 MA-L 🇺🇸 Mannkind Corporation 70:B3:D5:7E:80:00 /36 MA-S 🇩🇪 manroland AG 00:01:D6:00:00:00 /24 MA-L 🇹🇼 MANSION INDUSTRY CO., LTD. 70:B3:D5:73:40:00 /36 MA-S 🇺🇸 ManTech International Corporation A0:BB:3E:50:00:00 /28 MA-M 🇰🇷 ManTechnology Inc. 48:88:03:00:00:00 /24 MA-L 🇲🇽 Mantenimiento y paileria C4:82:72:60:00:00 /28 MA-M 🇺🇸 Manticom Networks Inc. 00:0A:74:00:00:00 /24 MA-L 🇬🇧 Mantis Deposition 98:4C:D3:00:00:00 /24 MA-L 🇺🇸 Mantra Communications, Inc. 00:02:33:00:00:00 /24 MA-L 🇮🇳 Mantra Softech India Pvt Ltd 18:9B:A5:60:00:00 /28 MA-M 🇪🇸 Manufacturas y transformados AB 00:1B:C5:06:60:00 /36 MA-S 🇪🇸 MANUFACTURAS Y TRANSFORMADOS AB, S.L. CC:22:37:E0:00:00 /28 MA-M 🇨🇭 MANUFACTURE DES MONTRES ROLEX SA 00:0B:37:00:00:00 /24 MA-L 🇺🇸 Manufacturing Resources International 00:25:AD:00:00:00 /24 MA-L 🇺🇸 Manufacturing System Insights Inc 40:D8:55:0B:E0:00 /36 IAB 🇺🇸 Manufacturing System Insights, Inc. DC:3C:2E:00:00:00 /24 MA-L 🇺🇸 Manufacturing Technology Inc 00:11:A2:00:00:00 /24 MA-L 🇪🇸 MANUSA-GEST, S.L. 00:50:C2:32:E0:00 /36 IAB 🇮🇳 Manvish eTech Pvt. Ltd. 70:B3:D5:F7:80:00 /36 MA-S 🇯🇵 MANYCOLORS, INC. 04:CF:25:00:00:00 /24 MA-L 🇮🇱 Manz 00:50:C2:D9:20:00 /36 IAB 🇺🇸 Manzanita Systems, Inc. CC:18:7B:00:00:00 /24 MA-L 🇹🇯 MAPLE COMPUTER CORPORATION 00:50:AC:00:00:00 /24 MA-L 🇨🇦 MAPLE COMPUTER SYSTEMS 00:40:4B:00:00:00 /24 MA-L 🇺🇸 Maple IoT Solutions LLC E4:65:66:00:00:00 /24 MA-L 🇨🇦 Maple Jet Limited 04:EC:A9:B0:00:00 /28 MA-M 🇰🇷 MAPLE NETWORKS CO., LTD 00:0A:2E:00:00:00 /24 MA-L 🇺🇸 Maple Optical Systems 00:06:D8:00:00:00 /24 MA-L 🇺🇸 Maple Systems. Inc. F0:12:04:50:00:00 /28 MA-M 🇮🇳 MapleCloud Technologies 8C:1F:64:D2:80:00 /36 MA-S 🇺🇸 Mapletree Networks 00:04:49:00:00:00 /24 MA-L 🇮🇷 mapna group 70:B3:D5:04:C0:00 /36 MA-S 🇮🇷 mapna group 8C:1F:64:76:80:00 /36 MA-S 🇹🇼 Mapower Electronics Co., Ltd 00:23:9D:00:00:00 /24 MA-L 🇺🇸 Mapper.ai, Inc. EC:93:65:00:00:00 /24 MA-L 🇩🇪 Maquet Cardiopulmonary AG 00:25:08:00:00:00 /24 MA-L 🇺🇸 Maquet CardioVascular 00:64:A6:00:00:00 /24 MA-L 🇸🇪 Maquet Critical Care AB 00:25:41:00:00:00 /24 MA-L 🇩🇪 Maquet GmbH 34:9B:5B:00:00:00 /24 MA-L 🇸🇪 MARA Systems Consulting AB 00:17:C7:00:00:00 /24 MA-L 🇺🇸 Mara Tech LLC D0:58:AB:00:00:00 /24 MA-L 🇺🇸 Maranti Networks 00:0B:A7:00:00:00 /24 MA-L 🇺🇸 Marathon Products, Inc. 00:50:C2:AC:60:00 /36 IAB 🇫🇷 MARBEN COMMUNICATION SYSTEMS 00:C0:AD:00:00:00 /24 MA-L 🇲🇭 Marble Automation C4:95:4D:50:00:00 /28 MA-M 🇨🇦 MARCH NETWORKS CORPORATION 00:10:BE:00:00:00 /24 MA-L 🇮🇹 March Networks S.p.A. 00:12:81:00:00:00 /24 MA-L 🇩🇪 marco Systemanalyse und Entwicklung GmbH C8:AF:40:00:00:00 /24 MA-L 🇩🇪 Marconi Communication GmbH 00:A0:FA:00:00:00 /24 MA-L 🇺🇸 Marconi Communications 00:20:48:00:00:00 /24 MA-L 🇺🇸 Marconi Communications 00:90:45:00:00:00 /24 MA-L 🇺🇸 Marconi Communications 00:A0:78:00:00:00 /24 MA-L 🇺🇸 Marconi Communications Inc. 00:B0:48:00:00:00 /24 MA-L 🇬🇧 MARCONI ELECTRONICS LTD. 00:00:96:00:00:00 /24 MA-L 🇬🇧 Marconi plc 00:00:32:00:00:00 /24 MA-L 🇮🇹 MARCONI SPA 00:A0:AD:00:00:00 /24 MA-L 🇩🇪 MarekMicro GmbH 00:50:C2:10:B0:00 /36 IAB 🇮🇸 MAREL HF 00:E0:EE:00:00:00 /24 MA-L 🇧🇷 Marelli 18:FD:00:00:00:00 /24 MA-L 🇮🇹 Marelli AL&S ALIT-TZ 9C:E4:50:30:00:00 /28 MA-M 🇮🇹 Marelli Europe s.p.a. 3C:99:6D:00:00:00 /24 MA-L 🇺🇸 Maretron, LLP 00:50:C2:CE:50:00 /36 IAB 🇺🇸 Margaritis Engineering 00:50:C2:93:60:00 /36 IAB 🇸🇮 Margento R&D 00:50:C2:DB:D0:00 /36 IAB 🇺🇸 MARGI Systems, Inc. 00:01:78:00:00:00 /24 MA-L 🇩🇪 MARIAN GmbH 8C:1F:64:91:20:00 /36 MA-S 🇩🇪 MARIAN GmbH 8C:1F:64:FB:00:00 /36 MA-S 🇯🇵 Marimo electronics Co.,Ltd. 70:B3:D5:02:90:00 /36 MA-S 🇬🇧 Marine Communications Limited 00:50:C2:89:50:00 /36 IAB