17,372 blocks registered in United States.

🇺🇸 MakerBot Industries 3C:70:59:00:00:00 /24 MA-L 🇺🇸 Mako Networks Ltd 30:1A:28:00:00:00 /24 MA-L 🇺🇸 Mako Networks Ltd 30:1A:30:00:00:00 /24 MA-L 🇺🇸 MAKUS Inc. 00:15:81:00:00:00 /24 MA-L 🇺🇸 Malachite Technologies, Inc. 00:06:5C:00:00:00 /24 MA-L 🇺🇸 Malibu Networks 00:04:AD:00:00:00 /24 MA-L 🇺🇸 Malin Space Science System 70:B3:D5:FE:50:00 /36 MA-S 🇺🇸 MAMAC Systems, Inc. 00:50:C2:A1:E0:00 /36 IAB 🇺🇸 MAMAC Systems, Inc. 70:B3:D5:BA:20:00 /36 MA-S 🇺🇸 Mango Communicaitons Inc. 40:D8:55:04:20:00 /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 🇺🇸 Mangrove Systems, Inc. 00:0F:07:00:00:00 /24 MA-L 🇺🇸 Manitowoc Ice 00:50:C2:DA:60:00 /36 IAB 🇺🇸 MANNESMANN TALLY CORPORATION 00:A0:6D:00:00:00 /24 MA-L 🇺🇸 Mannkind Corporation 70:B3:D5:7E:80:00 /36 MA-S 🇺🇸 ManTech International Corporation A0:BB:3E:50:00:00 /28 MA-M 🇺🇸 Manticom Networks Inc. 00:0A:74:00:00:00 /24 MA-L 🇺🇸 Mantra Communications, Inc. 00:02:33:00:00:00 /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 🇺🇸 Manzanita Systems, Inc. CC:18:7B:00:00:00 /24 MA-L 🇺🇸 Maple IoT Solutions LLC E4:65:66:00:00:00 /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 🇺🇸 Mapletree Networks 00:04:49:00:00:00 /24 MA-L 🇺🇸 Mapper.ai, Inc. EC:93:65:00:00:00 /24 MA-L 🇺🇸 Maquet CardioVascular 00:64:A6:00:00:00 /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 🇺🇸 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 🇺🇸 Maretron, LLP 00:50:C2:CE:50:00 /36 IAB 🇺🇸 Margaritis Engineering 00:50:C2:93:60:00 /36 IAB 🇺🇸 MARGI Systems, Inc. 00:01:78:00:00:00 /24 MA-L 🇺🇸 Marine Sonic Technology, Ltd. 00:1D:E7:00:00:00 /24 MA-L 🇺🇸 MARINER NETWORKS 00:50:39:00:00:00 /24 MA-L 🇺🇸 Marinesync Corp 2C:3C:05:00:00:00 /24 MA-L 🇺🇸 Mark of the Unicorn, Inc. 00:01:F2:00:00:00 /24 MA-L 🇺🇸 MARKEM Corporation 00:0A:55:00:00:00 /24 MA-L 🇺🇸 Market Central, Inc. 00:06:57:00:00:00 /24 MA-L 🇺🇸 Marketaxess Corporation 48:B2:53:00:00:00 /24 MA-L 🇺🇸 Markov Corporation EC:36:3F:00:00:00 /24 MA-L 🇺🇸 MARNER INTERNATIONAL, INC. 00:40:E1:00:00:00 /24 MA-L 🇺🇸 MarqMetrix C0:A1:A2:00:00:00 /24 MA-L 🇺🇸 Marquardt 04:AE:C7:00:00:00 /24 MA-L 🇺🇸 MARQUETTE ELECTRIC CO. 00:00:A1:00:00:00 /24 MA-L 🇺🇸 MARQUIP, INC. 00:A0:5B:00:00:00 /24 MA-L 🇺🇸 Marshall Electronics 00:23:A8:00:00:00 /24 MA-L 🇺🇸 MARTIN MARIETTA CORPORATION 00:40:EB:00:00:00 /24 MA-L 🇺🇸 MartinLogan, Ltd. B0:FD:0B:B0:00:00 /28 MA-M 🇺🇸 MARVELL SEMICONDUCTOR, INC. 00:50:43:00:00:00 /24 MA-L 🇺🇸 Marvell Semiconductors F4:C7:AA:00:00:00 /24 MA-L 🇺🇸 Maschoff Design Engineering 00:02:EC:00:00:00 /24 MA-L 🇺🇸 Masimo Corp 08:09:B6:00:00:00 /24 MA-L 🇺🇸 Masimo Corporation 50:4A:5E:00:00:00 /24 MA-L 🇺🇸 Masimo Corporation 88:09:AF:00:00:00 /24 MA-L 🇺🇸 Masimo Corporation B8:10:D4:00:00:00 /24 MA-L 🇺🇸 Masimo Corporation C8:16:A5:00:00:00 /24 MA-L 🇺🇸 Masimo Corporation C8:8B:E8:00:00:00 /24 MA-L 🇺🇸 Masimo Corporation E0:C2:B7:00:00:00 /24 MA-L 🇺🇸 Masimo Corporation C0:22:F1:E0:00:00 /28 MA-M 🇺🇸 Massachusetts Institute of Technology 8C:1F:64:8A:80:00 /36 MA-S 🇺🇸 Massana, Inc. 00:07:EA:00:00:00 /24 MA-L 🇺🇸 MASSCOMP 08:00:6E:00:00:00 /24 MA-L 🇺🇸 Master Meter Inc. 70:B3:D5:A9:F0:00 /36 MA-S 🇺🇸 Masterclock, Inc. 00:21:32:00:00:00 /24 MA-L 🇺🇸 Masterclock, Inc. 00:50:C2:16:B0:00 /36 IAB 🇺🇸 Mastodon Design 20:85:93:90:00:00 /28 MA-M 🇺🇸 MATELEX 00:50:C2:FB:10:00 /36 IAB 🇺🇸 MathStar, Inc. 00:09:BB:00:00:00 /24 MA-L 🇺🇸 Mathtech, Inc. 00:16:34:00:00:00 /24 MA-L 🇺🇸 MATISSE NETWORKS INC 00:11:59:00:00:00 /24 MA-L 🇺🇸 Matrics, Inc. 00:0D:03:00:00:00 /24 MA-L 🇺🇸 MATRIX CORPORATION 00:00:0B:00:00:00 /24 MA-L 🇺🇸 Matrix Design Group, LLC 00:1A:57:00:00:00 /24 MA-L 🇺🇸 Matrix Product Development, Inc. 00:13:D9:00:00:00 /24 MA-L 🇺🇸 Matrix Switch Corporation 00:50:C2:8B:D0:00 /36 IAB 🇺🇸 Matrix Switch Corporation 70:B3:D5:90:B0:00 /36 MA-S 🇺🇸 Matrixspace 8C:1F:64:80:60:00 /36 MA-S 🇺🇸 Matsushita Avionics Systems Corporation 00:0D:2E:00:00:00 /24 MA-L 🇺🇸 Mattel Inc. 00:22:AE:00:00:00 /24 MA-L 🇺🇸 Maven Pet Inc A4:4F:3E:60:00:00 /28 MA-M 🇺🇸 Maven Pet Inc 8C:1F:64:B7:E0:00 /36 MA-S 🇺🇸 Mavenir Inc. 00:04:AB:00:00:00 /24 MA-L 🇺🇸 Mavenir System, Inc. 00:50:C2:6D:70:00 /36 IAB 🇺🇸 Maverick Mobile LLC A4:4A:64:00:00:00 /24 MA-L 🇺🇸 MAX Smart Home, LLC D0:D9:4F:B0:00:00 /28 MA-M 🇺🇸 MAX4G, Inc. 70:88:6B:C0:00:00 /28 MA-M 🇺🇸 MAX8USA DISTRIBUTORS INC. E8:9E:0C:00:00:00 /24 MA-L 🇺🇸 Maxcess International 00:0F:87:00:00:00 /24 MA-L 🇺🇸 Maxim Integrated Products 00:18:80:00:00:00 /24 MA-L