58,507 registered blocks.

🇬🇧 Orange Tree Technologies Ltd 70:B3:D5:FB:50:00 /36 MA-S 🇬🇧 Orange Tree Technologies Ltd 8C:1F:64:77:C0:00 /36 MA-S 🇨🇳 ORANTEK LIMITED 78:12:B8:00:00:00 /24 MA-L 🇨🇳 Oray.com co., LTD. FC:A0:5A:00:00:00 /24 MA-L 🇨🇳 Oray.com co., LTD. A0:C5:F2:B0:00:00 /28 MA-M 🇺🇸 Oraya Therapeutics E4:D7:1D:00:00:00 /24 MA-L 🇺🇸 Orb Networks, Inc. E0:AB:FE:00:00:00 /24 MA-L 🇺🇸 ORBACOM SYSTEMS, INC. 00:30:4B:00:00:00 /24 MA-L 🇺🇸 Orban 00:0E:EC:00:00:00 /24 MA-L 🇺🇸 Orbbec 3D Technology International 54:14:FD:00:00:00 /24 MA-L 🇺🇸 Orbic North America 34:EA:10:00:00:00 /24 MA-L 🇺🇸 Orbic North America D8:D4:5D:00:00:00 /24 MA-L 🇳🇱 ORBIS BV 98:08:02:00:00:00 /24 MA-L 🇫🇮 Orbis Oy 00:50:C2:4A:F0:00 /36 IAB 🇫🇮 Orbis Systems Oy 00:F4:03:00:00:00 /24 MA-L 🇺🇸 ORBIS TECNOLOGIA ELECTRICA S.A. 70:64:17:00:00:00 /24 MA-L 🇧🇷 ORBISAT DA AMAZONIA IND E AEROL SA 88:41:C1:00:00:00 /24 MA-L 🇮🇱 ORBIT AVIONIC & COMMUNICATION 00:30:51:00:00:00 /24 MA-L 🇺🇸 Orbit International 70:B3:D5:B3:F0:00 /36 MA-S 🇺🇸 Orbit Irrigation 44:67:55:00:00:00 /24 MA-L 🇨🇿 ORBIT MERRET, spol. s r. o. B4:2A:39:00:00:00 /24 MA-L 🇩🇰 Orbital A/S 40:D8:55:10:60:00 /36 IAB 🇬🇧 Orbital Astronautics Ltd 8C:1F:64:36:90:00 /36 MA-S 🇺🇸 Orbital Data Corporation 00:11:08:00:00:00 /24 MA-L 🇺🇸 Orbital Sciences Corp.; Launch Systems Group 00:0D:99:00:00:00 /24 MA-L 🇺🇸 Orbital Systems, Ltd. 00:1B:C5:04:F0:00 /36 MA-S 🇵🇱 ORBITVU Sp. z o. o. A8:5B:36:E0:00:00 /28 MA-M 🇨🇭 OrbiWise SA 70:B3:D5:07:80:00 /36 MA-S 🇮🇱 ORBOTECH 00:20:17:00:00:00 /24 MA-L 🇺🇸 Orbotix, Inc. 68:86:E7:00:00:00 /24 MA-L 🇺🇸 ORCA Technologies, LLC 70:B3:D5:7C:F0:00 /36 MA-S 🇮🇱 OrCam Technologies 34:E1:D1:A0:00:00 /28 MA-M 🇨🇦 ORCATECH INC. 08:00:3A:00:00:00 /24 MA-L 🇹🇼 Orchard Electronics Co., Ltd. 84:E0:F4:B0:00:00 /28 MA-M 🇭🇰 Orchid Products Limited 5C:5A:4C:10:00:00 /28 MA-M 🇮🇱 ORCKIT COMMUNICATIONS LTD. 00:60:E1:00:00:00 /24 MA-L 🇩🇪 Ordercube GmbH A0:28:33:10:00:00 /28 MA-M 🇺🇸 Orderite, Inc. 00:50:C2:57:F0:00 /36 IAB 🇮🇳 ORDYN TECHNOLOGIES 00:19:A2:00:00:00 /24 MA-L 🇸🇪 Oregan Networks Ltd. 00:26:7F:00:00:00 /24 MA-L 🇦🇹 Oregano Systems - Design & Consulting GmbH 8C:A5:A1:00:00:00 /24 MA-L 🇺🇸 Orenco Systems, Inc. 00:50:C2:50:00:00 /36 IAB 🇫🇷 OREP 00:50:C2:E5:E0:00 /36 IAB 🇺🇸 ORESIS COMMUNICATIONS, INC. 00:D0:AE:00:00:00 /24 MA-L 🇯🇵 OREX SAI Inc. A4:59:D3:A0:00:00 /28 MA-M 🇰🇷 ORFEO SOUNDWORKS Inc. E8:1A:AC:00:00:00 /24 MA-L 🇦🇹 Orga BV 38:A8:6B:00:00:00 /24 MA-L 🇩🇪 ORGA Kartensysteme GmbH 00:0D:F8:00:00:00 /24 MA-L 🇨🇭 Organis GmbH 00:50:C2:F1:10:00 /36 IAB 🇩🇪 Orica Europe Pty Ltd & Co KG 4C:65:A8:20:00:00 /28 MA-M 🇨🇳 ORICO Technologies Co., Ltd F0:1E:34:00:00:00 /24 MA-L 🇺🇸 Orient Direct, Inc. 54:9A:11:60:00:00 /28 MA-M 🇭🇰 Orient Power Home Network Ltd. 00:13:37:00:00:00 /24 MA-L 🇺🇸 Orient Silver Enterprises 00:01:76:00:00:00 /24 MA-L 🇰🇷 ORIENT TELECOM CO., LTD. 00:30:33:00:00:00 /24 MA-L 🇯🇵 Oriental Electronics, Inc. 8C:1F:64:68:E0:00 /36 MA-S 🇰🇷 Oriental integrated electronics. LTD 00:0C:75:00:00:00 /24 MA-L 🇯🇵 ORIENTAL MOTOR CO., LTD. B8:18:6F:00:00:00 /24 MA-L 🇳🇿 ORIENTAL PACIFIC INTERNATIONAL LIMITED 54:F5:B6:00:00:00 /24 MA-L 🇫🇷 Origalys ElectroChem SAS 08:DA:33:70:00:00 /28 MA-M 🇬🇧 Origami Energy Ltd 08:ED:02:D0:00:00 /28 MA-M 🇭🇰 Origami Group Limited 30:1F:9A:C0:00:00 /28 MA-M 🇺🇸 Origin Acoustics, LLC F8:75:28:C0:00:00 /28 MA-M 🇯🇵 Origin Co., Ltd. 00:0A:D7:00:00:00 /24 MA-L 🇮🇳 Original Products Pvt. Ltd. A4:DA:22:50:00:00 /28 MA-M 🇨🇳 Origins Technology Limited 88:C9:B3:D0:00:00 /28 MA-M 🇮🇳 ORION COMPUTERS 8C:1F:64:03:A0:00 /36 MA-S 🇯🇵 Orion Corporation 70:B3:D5:97:A0:00 /36 MA-S 🇫🇮 Orion Diagnostica Oy 08:51:2E:00:00:00 /24 MA-L 🇯🇵 Orion Electric Co., Ltd. 00:0C:3B:00:00:00 /24 MA-L 🇺🇸 Orion Labs inc 1C:88:79:E0:00:00 /28 MA-M 🇺🇸 Orion MultiSystems Inc 00:0F:8B:00:00:00 /24 MA-L 🇪🇸 ORION NOVA, S.L. D4:92:B9:00:00:00 /24 MA-L 🇺🇸 Orion Power Systems, Inc. FC:A2:DF:E0:00:00 /28 MA-M 🇺🇸 Orion Power Systems, Inc. 70:B3:D5:11:00:00 /36 MA-S 🇺🇸 Orion Power Systems, Inc. 8C:1F:64:03:B0:00 /36 MA-S 🇮🇹 Orion S.r.l. 70:B3:D5:41:F0:00 /36 MA-S 🇺🇸 Orion Systems, Inc 40:D8:55:1B:80:00 /36 IAB 🇺🇸 Orion Technologies, LLC 70:B3:D5:C6:E0:00 /36 MA-S 🇺🇸 Orion Technologies,LLC 00:50:C2:28:B0:00 /36 IAB 🇺🇸 Orion Technologies,LLC 00:50:C2:53:10:00 /36 IAB 🇺🇸 Orion Technologies,LLC 00:50:C2:AC:40:00 /36 IAB 🇺🇸 Oriux 8C:1F:64:20:A0:00 /36 MA-S 🇺🇸 Oriux 8C:1F:64:24:60:00 /36 MA-S 🇺🇸 Oriux 8C:1F:64:27:B0:00 /36 MA-S 🇺🇸 Oriux 8C:1F:64:3B:D0:00 /36 MA-S 🇺🇸 Oriux 8C:1F:64:C6:70:00 /36 MA-S 🇳🇱 Orlaco Products B.V. DC:36:43:C0:00:00 /28 MA-M 🇳🇱 Orlaco Products B.V. 70:B3:D5:07:40:00 /36 MA-S 🇳🇱 Orlaco Products B.V. 70:B3:D5:24:00:00 /36 MA-S 🇳🇱 Orlaco Products B.V. 70:B3:D5:33:30:00 /36 MA-S 🇳🇱 Orlaco Products B.V. 70:B3:D5:4F:50:00 /36 MA-S 🇳🇱 Orlaco Products B.V. 70:B3:D5:62:00:00 /36 MA-S 🇳🇱 Orlaco Products B.V. 70:B3:D5:EA:E0:00 /36 MA-S 🇳🇱 Orlaco Products B.V. 8C:1F:64:8D:10:00 /36 MA-S 🇪🇸 Ormazabal 00:07:42:00:00:00 /24 MA-L 🇪🇸 Ormazabal Protection&Automation 98:02:D8:70:00:00 /28 MA-M 🇺🇸 ORMEC SYSTEMS CORP. 00:D0:34:00:00:00 /24 MA-L 🇮🇱 ORNET DATA COMMUNICATION TECH. 00:20:AE:00:00:00 /24 MA-L 🇫🇷 OROSOUND SAS 34:D0:B8:B0:00:00 /28 MA-M