1,631 blocks registered in United Kingdom.

🇬🇧 Amantys Ltd 40:D8:55:05:30:00 /36 IAB 🇬🇧 AMG Systems Ltd. 54:51:46:00:00:00 /24 MA-L 🇬🇧 Amino Communications Ltd 5C:0F:FB:00:00:00 /24 MA-L 🇬🇧 Amino Communications, Ltd. 00:02:02:00:00:00 /24 MA-L 🇬🇧 Amiosec Ltd 04:C3:E6:D0:00:00 /28 MA-M 🇬🇧 Ampetronic Ltd 30:0A:60:A0:00:00 /28 MA-M 🇬🇧 AMS NEVE LTD 7C:6C:8F:00:00:00 /24 MA-L 🇬🇧 Amscreen Group Ltd F4:48:48:00:00:00 /24 MA-L 🇬🇧 Amulet Hotkey 00:17:FD:00:00:00 /24 MA-L 🇬🇧 Anakreon UK LLP 14:13:30:00:00:00 /24 MA-L 🇬🇧 Analogue & Micro Ltd 00:1D:11:00:00:00 /24 MA-L 🇬🇧 Angee Technologies Ltd. 34:00:8A:00:00:00 /28 MA-M 🇬🇧 Anglian Water Business (National) Limited 8C:1F:64:DF:40:00 /36 MA-S 🇬🇧 ANITE TELECOMS 00:01:83:00:00:00 /24 MA-L 🇬🇧 Anritsu, Ltd. 00:02:B1:00:00:00 /24 MA-L 🇬🇧 Antare Technology Ltd F4:52:5B:00:00:00 /24 MA-L 🇬🇧 ANTLOW COMMUNICATIONS, LTD. 00:80:04:00:00:00 /24 MA-L 🇬🇧 APD Communications Ltd 00:17:71:00:00:00 /24 MA-L 🇬🇧 Apollo Fire Detectors Ltd 00:1B:9A:00:00:00 /24 MA-L 🇬🇧 Application Solutions (Electronics and Vision) Ltd 4C:63:EB:00:00:00 /24 MA-L 🇬🇧 Applied Materials UK Ltd 00:50:C2:40:C0:00 /36 IAB 🇬🇧 Apption Labs Limited B8:1F:5E:00:00:00 /24 MA-L 🇬🇧 Apption Labs Limited D0:D9:4F:80:00:00 /28 MA-M 🇬🇧 Apption Labs Ltd 90:21:2E:00:00:00 /24 MA-L 🇬🇧 APRICOT COMPUTERS, LTD 00:00:49:00:00:00 /24 MA-L 🇬🇧 Aqua Broadcast Ltd 8C:1F:64:EB:20:00 /36 MA-S 🇬🇧 Aquavision Distribution Ltd 70:B3:D5:0D:A0:00 /36 MA-S 🇬🇧 Arcade Communications Ltd. 28:44:30:00:00:00 /24 MA-L 🇬🇧 ARM 00:02:F7:00:00:00 /24 MA-L 🇬🇧 Arm Ltd 84:67:9A:00:00:00 /24 MA-L 🇬🇧 Armour Home Electronics LTD 00:50:C2:CF:70:00 /36 IAB 🇬🇧 ARRAY TECHNOLOGY LTD. 00:C0:EA:00:00:00 /24 MA-L 🇬🇧 Arrowvale Electronics 00:50:C2:A5:50:00 /36 IAB 🇬🇧 Arrowvale Electronics 70:B3:D5:B0:70:00 /36 MA-S 🇬🇧 Artimi Ltd 00:13:BC:00:00:00 /24 MA-L 🇬🇧 Artistic Licence Engineering Ltd 00:06:A6:00:00:00 /24 MA-L 🇬🇧 Ashton Bentley Collaboration Spaces 8C:1F:64:8B:50:00 /36 MA-S 🇬🇧 ask-technologies.com 00:02:7F:00:00:00 /24 MA-L 🇬🇧 ASL Holdings 70:B3:D5:F7:30:00 /36 MA-S 🇬🇧 Assembly Contracts Limited 00:50:C2:76:20:00 /36 IAB 🇬🇧 Assembly Contracts Limited 70:B3:D5:54:F0:00 /36 MA-S 🇬🇧 Assembly Contracts Ltd 40:D8:55:16:70:00 /36 IAB 🇬🇧 Assembly Contracts Ltd 70:B3:D5:B8:F0:00 /36 MA-S 🇬🇧 ASTON ELECTRONIC DESIGNS LTD. 00:A0:8B:00:00:00 /24 MA-L 🇬🇧 AT & T Laboratories - Cambridge Ltd 00:06:DD:00:00:00 /24 MA-L 🇬🇧 ATG UV Technology 64:31:39:E0:00:00 /28 MA-M 🇬🇧 ATG UV Technology 40:D8:55:05:00:00 /36 IAB 🇬🇧 ATG UV Technology 70:B3:D5:E9:C0:00 /36 MA-S 🇬🇧 Atlantic Pumps Ltd 8C:1F:64:85:B0:00 /36 MA-S 🇬🇧 Atlas Elektronik UK Limited 20:6A:FF:00:00:00 /24 MA-L 🇬🇧 ATOMWIDE LTD. 00:40:E0:00:00:00 /24 MA-L 🇬🇧 Audient Ltd 00:50:C2:C2:20:00 /36 IAB 🇬🇧 Audio Partnership 00:1F:F0:00:00:00 /24 MA-L 🇬🇧 Audiotonix Group Limited 00:04:C4:00:00:00 /24 MA-L 🇬🇧 Audoo Limited (UK) 18:77:58:00:00:00 /24 MA-L 🇬🇧 Aural Ltd 70:B3:D5:76:C0:00 /36 MA-S 🇬🇧 Autocom Products Ltd 00:1A:CB:00:00:00 /24 MA-L 🇬🇧 Ava Security Limited D0:3D:52:00:00:00 /24 MA-L 🇬🇧 Avaya ECS Ltd 00:E0:07:00:00:00 /24 MA-L 🇬🇧 AVIRE Trading Limited 50:26:D2:00:00:00 /24 MA-L 🇬🇧 AVO DEVELOPMENT LTD 38:B1:9E:30:00:00 /28 MA-M 🇬🇧 AVOLITES LTD. 00:12:B2:00:00:00 /24 MA-L 🇬🇧 Avtex Ltd 00:25:EE:00:00:00 /24 MA-L 🇬🇧 Axell Wireless Limited 00:14:B1:00:00:00 /24 MA-L 🇬🇧 Axis Electronics 00:50:C2:61:50:00 /36 IAB 🇬🇧 Axona Limited 00:24:42:00:00:00 /24 MA-L 🇬🇧 Axxess Identification Ltd 40:D8:55:09:00:00 /36 IAB 🇬🇧 Axxess Identification Ltd 70:B3:D5:61:60:00 /36 MA-S 🇬🇧 AYC Telecom Ltd 00:50:C2:5A:90:00 /36 IAB 🇬🇧 B&W Group LTD EC:66:D1:00:00:00 /24 MA-L 🇬🇧 Bactest Limited 40:D8:55:00:60:00 /36 IAB 🇬🇧 BAE Systems BC:D7:67:00:00:00 /24 MA-L 🇬🇧 BAE Systems 70:B3:D5:1D:70:00 /36 MA-S 🇬🇧 BAE Systems 70:B3:D5:E2:D0:00 /36 MA-S 🇬🇧 BAE Systems Surface Ships Limited 70:B3:D5:02:A0:00 /36 MA-S 🇬🇧 Bamboo Systems Group 14:5E:45:00:00:00 /24 MA-L 🇬🇧 BARRON MCCANN LTD. 00:C0:A9:00:00:00 /24 MA-L 🇬🇧 BAS-IP LP 70:69:79:E0:00:00 /28 MA-M 🇬🇧 Bassett Electronic Systems ltd 00:50:C2:AA:60:00 /36 IAB 🇬🇧 BAXALL SECURITY LTD. 00:90:88:00:00:00 /24 MA-L 🇬🇧 Bayan Audio B8:04:15:00:00:00 /24 MA-L 🇬🇧 Baydel Ltd. 00:05:70:00:00:00 /24 MA-L 🇬🇧 BCD Audio 70:B3:D5:72:80:00 /36 MA-S 🇬🇧 Beam Ltd 00:50:C2:E2:F0:00 /36 IAB 🇬🇧 Beech Hill Electronics 00:1E:15:00:00:00 /24 MA-L 🇬🇧 beespace Technologies Limited 8C:1F:64:43:F0:00 /36 MA-S 🇬🇧 Bel Fuse Europe Ltd.,UK 00:0D:BE:00:00:00 /24 MA-L 🇬🇧 BERAN INSTRUMENTS LTD. 00:90:B9:00:00:00 /24 MA-L 🇬🇧 BERG Cloud Limited 40:D8:55:01:C0:00 /36 IAB 🇬🇧 Berg Cloud Limited 40:D8:55:19:70:00 /36 IAB 🇬🇧 Beringar 70:B3:D5:6E:F0:00 /36 MA-S 🇬🇧 Beta Lasermike Ltd 00:50:C2:51:B0:00 /36 IAB 🇬🇧 BGResearch 0C:47:A9:E0:00:00 /28 MA-M 🇬🇧 BICC INFORMATION SYSTEMS & SVC 00:80:C3:00:00:00 /24 MA-L 🇬🇧 Biodata Ltd 40:D4:0E:00:00:00 /24 MA-L 🇬🇧 BIOTAGE GB LTD 8C:1F:64:18:50:00 /36 MA-S 🇬🇧 BIOTAGE GB LTD 8C:1F:64:EF:10:00 /36 MA-S 🇬🇧 BitBox Ltd C0:B8:B1:00:00:00 /24 MA-L 🇬🇧 BitBox Ltd 00:50:C2:1A:A0:00 /36 IAB 🇬🇧 BITSWITCH LTD. 00:D0:B0:00:00:00 /24 MA-L