17,372 blocks registered in United States.

🇺🇸 Guangzhou Juzing Technology Co., Ltd 7C:CD:3C:00:00:00 /24 MA-L 🇺🇸 Guardiar USA CC:C2:61:60:00:00 /28 MA-M 🇺🇸 Gulfstream 00:23:5B:00:00:00 /24 MA-L 🇺🇸 Gumstix, Inc 00:15:C9:00:00:00 /24 MA-L 🇺🇸 GVC CORPORATION 00:C0:A8:00:00:00 /24 MA-L 🇺🇸 GVI SECURITY INC. 60:9A:A4:00:00:00 /24 MA-L 🇺🇸 GVN TECHNOLOGIES, INC. 00:10:72:00:00:00 /24 MA-L 🇺🇸 GWT LLC 00:50:C2:F6:60:00 /36 IAB 🇺🇸 H&L Instruments, LLC 00:50:C2:F2:E0:00 /36 IAB 🇺🇸 H-Stream Wireless, Inc. 00:1E:D7:00:00:00 /24 MA-L 🇺🇸 H-THREE SYSTEMS CORPORATION 00:80:85:00:00:00 /24 MA-L 🇺🇸 H2A Systems, LLC 08:4E:1C:00:00:00 /24 MA-L 🇺🇸 H2Ok Innovations 8C:1F:64:93:70:00 /36 MA-S 🇺🇸 H3 Industries, Inc. 20:85:93:A0:00:00 /28 MA-M 🇺🇸 H3D, Inc. 70:B3:D5:3F:20:00 /36 MA-S 🇺🇸 Haas Automation Inc. 00:1E:BF:00:00:00 /24 MA-L 🇺🇸 Hach Company 00:0E:1C:00:00:00 /24 MA-L 🇺🇸 HAL COMPUTER SYSTEMS INC. 00:40:9B:00:00:00 /24 MA-L 🇺🇸 Hale Products E0:5A:9F:40:00:00 /28 MA-M 🇺🇸 Half Dome Systems, Inc. 00:04:41:00:00:00 /24 MA-L 🇺🇸 Hall Technologies 70:5A:6F:E0:00:00 /28 MA-M 🇺🇸 HALLIBURTON A4:4F:29:D0:00:00 /28 MA-M 🇺🇸 Halliburton - NUMAR 00:50:C2:23:F0:00 /36 IAB 🇺🇸 Halliburton - Sperry Drilling Service 00:50:C2:45:E0:00 /36 IAB 🇺🇸 Halliburton - Sperry Drilling Service 40:D8:55:11:20:00 /36 IAB 🇺🇸 Halo Monitoring, Inc. 00:24:40:00:00:00 /24 MA-L 🇺🇸 Halo Technologies 68:50:5D:00:00:00 /24 MA-L 🇺🇸 HAMILTON HALLMARK 00:A0:59:00:00:00 /24 MA-L 🇺🇸 Hamilton Systems 4C:55:85:00:00:00 /24 MA-L 🇺🇸 HAMMER STORAGE SOLUTIONS 00:50:BC:00:00:00 /24 MA-L 🇺🇸 Hammerhead Navigation Inc. B0:FF:72:30:00:00 /28 MA-M 🇺🇸 Hammerhead Systems, Inc. 00:0D:3D:00:00:00 /24 MA-L 🇺🇸 Hand Held Products Inc 00:10:20:00:00:00 /24 MA-L 🇺🇸 HandEra, Inc. 00:11:D6:00:00:00 /24 MA-L 🇺🇸 HandHeld entertainment, Inc. 00:1A:0D:00:00:00 /24 MA-L 🇺🇸 Handheld Scientific, Inc. 3C:B6:E7:00:00:00 /24 MA-L 🇺🇸 Hangzhou Dunchong Technology Co.Ltd A4:FB:8D:00:00:00 /24 MA-L 🇺🇸 Hangzhou H3C Technologies Co., Limited 00:23:89:00:00:00 /24 MA-L 🇺🇸 Hanna Instruments, Inc. 70:1E:68:00:00:00 /24 MA-L 🇺🇸 Hanson Research Corporation 00:1E:04:00:00:00 /24 MA-L 🇺🇸 HAPPIEST BABY INC. DC:4A:9E:D0:00:00 /28 MA-M 🇺🇸 Haptech Defense Systems 8C:1F:64:1E:80:00 /36 MA-S 🇺🇸 Harborside Technology 70:B3:D5:84:50:00 /36 MA-S 🇺🇸 Hardened Networks 80:A5:79:40:00:00 /28 MA-M 🇺🇸 Hardy Instruments 00:1D:41:00:00:00 /24 MA-L 🇺🇸 Harley-Davidson Motor Company D4:EC:0C:00:00:00 /24 MA-L 🇺🇸 Harman Connected Services, Inc. 3C:FA:D3:30:00:00 /28 MA-M 🇺🇸 Harman Consumer Group 9C:64:5E:00:00:00 /24 MA-L 🇺🇸 Harman Multimedia 00:19:50:00:00:00 /24 MA-L 🇺🇸 Harman Music Group 00:0F:D7:00:00:00 /24 MA-L 🇺🇸 Harman Specialty Group 00:16:5A:00:00:00 /24 MA-L 🇺🇸 Harman/Becker Automotive Systems GmbH 28:56:C1:00:00:00 /24 MA-L 🇺🇸 HARMONIC SYSTEMS INCORPORATED 00:60:CA:00:00:00 /24 MA-L 🇺🇸 Harmonic, Inc 00:0A:6E:00:00:00 /24 MA-L 🇺🇸 Harmonic, Inc 00:0B:BA:00:00:00 /24 MA-L 🇺🇸 Harmonic, Inc 00:20:A3:00:00:00 /24 MA-L 🇺🇸 Harmonic, Inc 00:D0:28:00:00:00 /24 MA-L 🇺🇸 HARMONIX CORPORATION 00:30:30:00:00:00 /24 MA-L 🇺🇸 HARRIS ADACOM CORPORATION 00:40:2D:00:00:00 /24 MA-L 🇺🇸 Harris Corporation 00:00:C3:00:00:00 /24 MA-L 🇺🇸 Harris Corporation 00:06:EC:00:00:00 /24 MA-L 🇺🇸 Harris Corporation 00:17:F3:00:00:00 /24 MA-L 🇺🇸 Harris Designs of NRV, Inc. 00:50:C2:A3:20:00 /36 IAB 🇺🇸 Harris Government Communications 00:02:68:00:00:00 /24 MA-L 🇺🇸 Harrison Audio, LLC 00:50:C2:6E:B0:00 /36 IAB 🇺🇸 HART Communication Foundation 00:1B:1E:00:00:00 /24 MA-L 🇺🇸 HARTING Inc. of North America 2C:80:65:00:00:00 /24 MA-L 🇺🇸 Harvad University 00:50:C2:29:80:00 /36 IAB 🇺🇸 Hasbro Inc 88:C9:B3:40:00:00 /28 MA-M 🇺🇸 HASCOM International Pty Ltd 00:50:C2:F0:A0:00 /36 IAB 🇺🇸 Hauppauge Computer Works, Inc. 00:0D:FE:00:00:00 /24 MA-L 🇺🇸 Hauppauge Computer Works, Inc. 00:50:C2:24:50:00 /36 IAB 🇺🇸 Haven Lighting 68:DA:73:70:00:00 /28 MA-M 🇺🇸 Haverford Systems Inc DC:ED:84:00:00:00 /24 MA-L 🇺🇸 Havis Inc. 00:1F:9C:00:00:00 /24 MA-L 🇺🇸 Havis Inc. 70:B3:D5:98:30:00 /36 MA-S 🇺🇸 Hawa Technologies Inc F4:A5:2A:00:00:00 /24 MA-L 🇺🇸 Hawking Technologies, Inc. 00:0E:3B:00:00:00 /24 MA-L 🇺🇸 HAYES MICROCOMPUTER PRODUCTS 00:00:DC:00:00:00 /24 MA-L 🇺🇸 HAZELTINE CORPORATION, MS 1-17 00:A0:31:00:00:00 /24 MA-L 🇺🇸 HCJB Global 00:50:C2:60:40:00 /36 IAB 🇺🇸 HD Communications Corp 00:1F:51:00:00:00 /24 MA-L 🇺🇸 HD DIGITAL TECH CO., LTD. EC:F7:2B:00:00:00 /24 MA-L 🇺🇸 HDMI Forum C4:5D:D8:00:00:00 /24 MA-L 🇺🇸 HDMI Licensing, LLC 00:0C:03:00:00:00 /24 MA-L 🇺🇸 HDMI Licensing, LLC 44:48:91:00:00:00 /24 MA-L 🇺🇸 HDR10+ Technologies, LLC 90:84:8B:00:00:00 /24 MA-L 🇺🇸 Heads Up Technologies, Inc. 00:18:44:00:00:00 /24 MA-L 🇺🇸 Health Care Originals, Inc. 70:B3:D5:2F:20:00 /36 MA-S 🇺🇸 Health Hero Network, Inc. 00:1B:E3:00:00:00 /24 MA-L 🇺🇸 Heaman System Co., Ltd 00:09:23:00:00:00 /24 MA-L 🇺🇸 Hear Gear, Inc. 70:B3:D5:A2:60:00 /36 MA-S 🇺🇸 Heartlandmicropayments 70:B3:D5:45:50:00 /36 MA-S 🇺🇸 Heidelberg Web Systems 00:06:5D:00:00:00 /24 MA-L 🇺🇸 Helen of Troy 24:15:10:D0:00:00 /28 MA-M 🇺🇸 Helicomm Inc 00:14:99:00:00:00 /24 MA-L 🇺🇸 Heliogen 90:15:64:80:00:00 /28 MA-M 🇺🇸 HELIOSS COMMUNICATIONS, INC. 00:10:69:00:00:00 /24 MA-L 🇺🇸 Helium Systems, Inc 60:81:F9:00:00:00 /24 MA-L 🇺🇸 Helius, Inc. 00:0F:22:00:00:00 /24 MA-L