1,633 blocks registered in United Kingdom.

🇬🇧 Omitec Instrumentation Ltd. 00:04:D7:00:00:00 /24 MA-L 🇬🇧 Omneality Ltd. 58:3C:C6:00:00:00 /24 MA-L 🇬🇧 Omni-ID 0C:1E:F7:00:00:00 /24 MA-L 🇬🇧 OmniBuds Ltd 8C:1F:64:F0:10:00 /36 MA-S 🇬🇧 Omnima Limited 78:25:44:00:00:00 /24 MA-L 🇬🇧 Omnisense Ltd 28:17:CE:00:00:00 /24 MA-L 🇬🇧 on-systems limited 70:B3:D5:5B:70:00 /36 MA-S 🇬🇧 OnDis Solutions Ltd 8C:1F:64:ED:D0:00 /36 MA-S 🇬🇧 ONE Investment Group Limited 00:0C:EF:00:00:00 /24 MA-L 🇬🇧 ONELAN LTD. 00:80:6F:00:00:00 /24 MA-L 🇬🇧 Onzo Ltd 2C:7E:CF:00:00:00 /24 MA-L 🇬🇧 Open System Solutions Limited 00:50:C2:81:10:00 /36 IAB 🇬🇧 Open System Solutions Limited 70:B3:D5:44:B0:00 /36 MA-S 🇬🇧 Open System Solutions Limited 70:B3:D5:FA:B0:00 /36 MA-S 🇬🇧 Optikinetics Ltd 34:D7:F5:90:00:00 /28 MA-M 🇬🇧 Optimal Audio Ltd 4C:FB:F4:00:00:00 /24 MA-L 🇬🇧 Optionexist Limited 00:50:C2:05:40:00 /36 IAB 🇬🇧 Optos Plc 00:21:24:00:00:00 /24 MA-L 🇬🇧 Orange Tree Technologies 00:50:C2:A7:B0:00 /36 IAB 🇬🇧 Orange Tree Technologies Ltd 70:B3:D5:EF:40:00 /36 MA-S 🇬🇧 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 🇬🇧 Orbital Astronautics Ltd 8C:1F:64:36:90:00 /36 MA-S 🇬🇧 Origami Energy Ltd 08:ED:02:D0:00:00 /28 MA-M 🇬🇧 Otus Technologies Ltd 6C:8C:DB:00:00:00 /24 MA-L 🇬🇧 OVATION SYSTEMS LTD. 00:A0:72:00:00:00 /24 MA-L 🇬🇧 Overview Limited F8:7A:39:30:00:00 /28 MA-M 🇬🇧 Oxford Diagnostics Ltd. 00:16:33:00:00:00 /24 MA-L 🇬🇧 OXFORD INSTRUMENTS 00:10:A5:00:00:00 /24 MA-L 🇬🇧 OXFORD METRICS LIMITED 00:00:37:00:00:00 /24 MA-L 🇬🇧 Oxford Monitoring Solutions Ltd 70:B3:D5:10:20:00 /36 MA-S 🇬🇧 Oxford Nanopore Technologies Ltd. 8C:47:6E:60:00:00 /28 MA-M 🇬🇧 OXFORD SEMICONDUCTOR LTD. 00:30:E0:00:00:00 /24 MA-L 🇬🇧 OXTEL, LTD. 00:50:FA:00:00:00 /24 MA-L 🇬🇧 PA CONSULTING SERVICES 70:B3:D5:0A:60:00 /36 MA-S 🇬🇧 PAC International Ltd 00:0D:35:00:00:00 /24 MA-L 🇬🇧 Packet Dynamics Ltd 00:03:C1:00:00:00 /24 MA-L 🇬🇧 Packet Vision Ltd 00:1C:69:00:00:00 /24 MA-L 🇬🇧 Paradigm Communication Systems Ltd 70:B3:D5:B3:E0:00 /36 MA-S 🇬🇧 Paradise Datacom Ltd. 00:11:29:00:00:00 /24 MA-L 🇬🇧 Paragraf 8C:1F:64:01:A0:00 /36 MA-S 🇬🇧 Paraytec Ltd 00:50:C2:6B:C0:00 /36 IAB 🇬🇧 Park Air Systems Ltd 00:15:8B:00:00:00 /24 MA-L 🇬🇧 Parker Hannifin Manufacturing (UK) Ltd B8:28:8B:00:00:00 /24 MA-L 🇬🇧 PassivSystems Ltd 40:A6:A4:00:00:00 /24 MA-L 🇬🇧 Patronics International LTD 00:50:C2:A0:10:00 /36 IAB 🇬🇧 PAV Electronics Limited 00:1D:CA:00:00:00 /24 MA-L 🇬🇧 Pax A4:11:63:30:00:00 /28 MA-M 🇬🇧 PAXDATA NETWORKS LTD. 00:40:93:00:00:00 /24 MA-L 🇬🇧 Paxton Access Ltd 00:0B:D6:00:00:00 /24 MA-L 🇬🇧 Paxton Access Ltd 6C:2A:CB:00:00:00 /24 MA-L 🇬🇧 PBSI Group Limited 70:B3:D5:60:90:00 /36 MA-S 🇬🇧 PCME Ltd. 70:B3:D5:FE:80:00 /36 MA-S 🇬🇧 PDD Group Ltd 70:B3:D5:D8:10:00 /36 MA-S 🇬🇧 PDU EXPERT UK LTD 00:50:C2:EB:10:00 /36 IAB 🇬🇧 PELCOMBE GROUP LTD. 00:90:32:00:00:00 /24 MA-L 🇬🇧 Penny & Giles Aerospace Ltd 50:DE:19:D0:00:00 /28 MA-M 🇬🇧 Penny & Giles Aerospace Ltd 00:50:C2:58:E0:00 /36 IAB 🇬🇧 Petards Ltd 00:06:9D:00:00:00 /24 MA-L 🇬🇧 Phabrix Limited 00:1F:7F:00:00:00 /24 MA-L 🇬🇧 Phaedrus Limited 00:50:C2:3F:50:00 /36 IAB 🇬🇧 Phaedrus Limited 00:50:C2:BE:00:00 /36 IAB 🇬🇧 Phasor Solutions Ltd 2C:48:35:D0:00:00 /28 MA-M 🇬🇧 PHILIPS ELECTRONICS UK LTD 00:1E:CF:00:00:00 /24 MA-L 🇬🇧 Phorm F0:F7:B3:00:00:00 /24 MA-L 🇬🇧 Photonic Science and Engineering Ltd 8C:1F:64:4F:90:00 /36 MA-S 🇬🇧 Pickering Interfaces Ltd 10:DC:B6:A0:00:00 /28 MA-M 🇬🇧 Pico Technology 40:52:0D:00:00:00 /24 MA-L 🇬🇧 Picochip Ltd 00:15:E1:00:00:00 /24 MA-L 🇬🇧 Picocom Technology Ltd 8C:1F:64:B4:C0:00 /36 MA-S 🇬🇧 Picsolve International Limited 00:50:C2:96:10:00 /36 IAB 🇬🇧 PIRELLI FOCOM NETWORKS 08:00:18:00:00:00 /24 MA-L 🇬🇧 PIXEL POWER LTD. 00:20:03:00:00:00 /24 MA-L 🇬🇧 Plant Integrity Limited 00:50:C2:E2:B0:00 /36 IAB 🇬🇧 Plastic Logic 00:50:C2:5A:60:00 /36 IAB 🇬🇧 PlayFusion Limited F0:15:B9:00:00:00 /24 MA-L 🇬🇧 Plextek Limited 00:50:C2:15:A0:00 /36 IAB 🇬🇧 Plexus Corp (UK) Ltd 00:0D:AF:00:00:00 /24 MA-L 🇬🇧 Polar Bear Design 8C:1F:64:2D:E0:00 /36 MA-S 🇬🇧 Polatis Ltd 00:50:C2:2B:40:00 /36 IAB 🇬🇧 Port Of London Authority 4C:81:BE:80:00:00 /28 MA-M 🇬🇧 Portable Add-Ons 00:50:C2:00:80:00 /36 IAB 🇬🇧 Positioneering Limited 00:50:C2:EE:A0:00 /36 IAB 🇬🇧 Postjet Systems Ltd 00:50:C2:BD:30:00 /36 IAB 🇬🇧 Power Ethernet D4:D2:49:00:00:00 /24 MA-L 🇬🇧 PowerChord Group Limited EC:C0:6A:00:00:00 /24 MA-L 🇬🇧 Powervault Ltd F0:41:C8:B0:00:00 /28 MA-M 🇬🇧 PowTechnology Limited 8C:1F:64:ED:60:00 /36 MA-S 🇬🇧 Practical Control Ltd 00:50:C2:C6:70:00 /36 IAB 🇬🇧 Primagraphics Limited 00:0D:26:00:00:00 /24 MA-L 🇬🇧 Prior Scientific Instruments Ltd 70:B3:D5:A7:D0:00 /36 MA-S 🇬🇧 Prism Media Products Limited 00:11:98:00:00:00 /24 MA-L 🇬🇧 Procode Technology Litd 74:A2:35:80:00:00 /28 MA-M 🇬🇧 Procon Engineering Limited 00:50:C2:A9:E0:00 /36 IAB 🇬🇧 Profusion Limited 70:B3:D5:29:A0:00 /36 MA-S 🇬🇧 Prolight Concepts (UK) Ltd 0C:BF:B4:60:00:00 /28 MA-M 🇬🇧 Promethean Limited 6C:DC:6A:00:00:00 /24 MA-L 🇬🇧 ProSys Development Services 68:D9:25:00:00:00 /24 MA-L 🇬🇧 Protec Fire Detection plc 00:18:AA:00:00:00 /24 MA-L 🇬🇧 Protec Fire Detection plc 00:50:C2:60:00:00 /36 IAB