1,633 blocks registered in United Kingdom.

🇬🇧 JVF Communications Ltd 00:50:C2:4A:B0:00 /36 IAB 🇬🇧 K-NET LTD. 00:A0:99:00:00:00 /24 MA-L 🇬🇧 Kahf Software Limited 30:BB:28:80:00:00 /28 MA-M 🇬🇧 Kano Computing Limited 18:74:E2:80:00:00 /28 MA-M 🇬🇧 KATANA PRODUCTS 00:20:1D:00:00:00 /24 MA-L 🇬🇧 Keene Electronics Ltd. 00:50:C2:96:D0:00 /36 IAB 🇬🇧 Kelman Limited 00:17:9D:00:00:00 /24 MA-L 🇬🇧 Kelvin Hughes Ltd 00:1B:D6:00:00:00 /24 MA-L 🇬🇧 KENDA ELECTRONIC SYSTEMS LIMITED 00:50:C2:A2:80:00 /36 IAB 🇬🇧 Kentech Instruments Limited 70:B3:D5:EA:C0:00 /36 MA-S 🇬🇧 Kenton Research Ltd 00:50:C2:67:50:00 /36 IAB 🇬🇧 Key Radio Systems Limited 00:14:CA:00:00:00 /24 MA-L 🇬🇧 KeyMed Ltd 00:0F:C5:00:00:00 /24 MA-L 🇬🇧 Kinesys Projects Limited 00:50:C2:35:00:00 /36 IAB 🇬🇧 Kinetic Avionics Limited 58:92:0D:00:00:00 /24 MA-L 🇬🇧 Kingspan Environmental Ltd A4:DB:2E:00:00:00 /24 MA-L 🇬🇧 KNX LTD. 00:C0:72:00:00:00 /24 MA-L 🇬🇧 Kohler Mira Ltd 70:B3:D5:F5:50:00 /36 MA-S 🇬🇧 KOP Ltd 00:50:C2:47:20:00 /36 IAB 🇬🇧 Kraken Technologies Ltd 18:D7:93:D0:00:00 /28 MA-M 🇬🇧 Kratos Analytical Ltd 70:B3:D5:8D:B0:00 /36 MA-S 🇬🇧 Kromek Limited 8C:1F:64:B9:B0:00 /36 MA-S 🇬🇧 L.T.H. Electronics Limited EC:74:CD:20:00:00 /28 MA-M 🇬🇧 LabLogic Systems 8C:1F:64:9A:40:00 /36 MA-S 🇬🇧 Labman Automation 30:3D:51:B0:00:00 /28 MA-M 🇬🇧 LAIIER 98:1C:42:00:00:00 /24 MA-L 🇬🇧 LANergy Ltd. 00:07:FD:00:00:00 /24 MA-L 🇬🇧 Lantronix 00:0D:2C:00:00:00 /24 MA-L 🇬🇧 Lascar Electronics Ltd 00:1F:94:00:00:00 /24 MA-L 🇬🇧 Laser Electronics Ltd 00:50:C2:6F:20:00 /36 IAB 🇬🇧 Lee-Dickens Ltd 20:A2:E7:00:00:00 /24 MA-L 🇬🇧 Legrand Electric Ltd 70:B3:D5:09:30:00 /36 MA-S 🇬🇧 Leica Microsystems 00:1C:5D:00:00:00 /24 MA-L 🇬🇧 Leo Bodnar Electronics Ltd A0:39:75:00:00:00 /24 MA-L 🇬🇧 Leo Bodnar Electronics Ltd 70:B3:D5:E3:D0:00 /36 MA-S 🇬🇧 Leonardo UK Ltd 00:80:E7:00:00:00 /24 MA-L 🇬🇧 Leonardo UK Ltd 00:50:C2:91:30:00 /36 IAB 🇬🇧 Leonardo UK Ltd 00:50:C2:DD:80:00 /36 IAB 🇬🇧 LESTER ELECTRONICS LTD 00:50:C2:61:E0:00 /36 IAB 🇬🇧 Life Racing Ltd 00:0C:77:00:00:00 /24 MA-L 🇬🇧 Light Blue Optics Ltd. 38:73:EA:40:00:00 /28 MA-M 🇬🇧 LightwaveRF Technology Ltd 74:0A:BC:00:00:00 /24 MA-L 🇬🇧 Linea Research Ltd 20:01:4F:00:00:00 /24 MA-L 🇬🇧 Linn Products Ltd 00:26:0F:00:00:00 /24 MA-L 🇬🇧 Linn Products Ltd 00:50:C2:21:70:00 /36 IAB 🇬🇧 Lisle Design Ltd 88:5F:E8:A0:00:00 /28 MA-M 🇬🇧 Lismore Instruments Limited 00:1A:7A:00:00:00 /24 MA-L 🇬🇧 Littlemore Scientific 00:50:C2:A8:70:00 /36 IAB 🇬🇧 Littlemore Scientific 70:B3:D5:F8:10:00 /36 MA-S 🇬🇧 Litton Marine Systems B.V. 00:01:E9:00:00:00 /24 MA-L 🇬🇧 LK Ltd 00:50:C2:20:90:00 /36 IAB 🇬🇧 LM Technologies Ltd 34:C9:F0:00:00:00 /24 MA-L 🇬🇧 Lo-Q plc 00:50:C2:E1:E0:00 /36 IAB 🇬🇧 Loanguard T/A SE Controls 70:B3:D5:2F:C0:00 /36 MA-S 🇬🇧 LocSoft Limited 00:B0:86:00:00:00 /24 MA-L 🇬🇧 LOGIC REPLACEMENT TECH. LTD. 00:60:86:00:00:00 /24 MA-L 🇬🇧 LOGIC REPLACEMENT TECH. LTD. 02:60:86:00:00:00 /24 MA-L 🇬🇧 Logic3 plc FC:11:86:00:00:00 /24 MA-L 🇬🇧 Logically Us Ltd 7C:EE:7B:00:00:00 /24 MA-L 🇬🇧 Loma Systems s.r.o. 70:B3:D5:9B:80:00 /36 MA-S 🇬🇧 Loma Systems s.r.o. 70:B3:D5:BC:80:00 /36 MA-S 🇬🇧 LONAP Limited 00:50:C2:46:60:00 /36 IAB 🇬🇧 LPA Excil Electronics 70:B3:D5:38:30:00 /36 MA-S 🇬🇧 LUCIDATA LTD. 00:A0:EF:00:00:00 /24 MA-L 🇬🇧 Luke Granger-Brown 8C:1F:64:0B:60:00 /36 MA-S 🇬🇧 Lumacron Technology Ltd. 2C:C6:A0:00:00:00 /24 MA-L 🇬🇧 Lumacron Technology Ltd. 70:B3:D5:77:80:00 /36 MA-S 🇬🇧 M Squared Lasers Limited 00:50:C2:79:10:00 /36 IAB 🇬🇧 M.A.C. Solutions (UK) Ltd 70:B3:D5:F9:F0:00 /36 MA-S 🇬🇧 M5 Data Limited 00:50:C2:3D:A0:00 /36 IAB 🇬🇧 MAC Solutions (UK) Ltd 70:B3:D5:E6:A0:00 /36 MA-S 🇬🇧 MacDonald Humfrey (Products) Ltd 00:50:C2:62:90:00 /36 IAB 🇬🇧 Machine Max 4C:BC:98:30:00:00 /28 MA-M 🇬🇧 Madge Ltd. 00:00:6F:00:00:00 /24 MA-L 🇬🇧 Madge Ltd. 00:00:C1:00:00:00 /24 MA-L 🇬🇧 Madge Ltd. 00:02:81:00:00:00 /24 MA-L 🇬🇧 Madge Ltd. 00:80:E9:00:00:00 /24 MA-L 🇬🇧 Magicard Ltd 00:16:28:00:00:00 /24 MA-L 🇬🇧 Malden Electronics Ltd 00:50:C2:05:F0:00 /36 IAB 🇬🇧 Malvern Instruments Ltd 70:AD:54:00:00:00 /24 MA-L 🇬🇧 Manhattan TV Ltd 00:1F:49:00:00:00 /24 MA-L 🇬🇧 Mantis Deposition 98:4C:D3:00:00:00 /24 MA-L 🇬🇧 MARCONI ELECTRONICS LTD. 00:00:96:00:00:00 /24 MA-L 🇬🇧 Marconi plc 00:00:32:00:00:00 /24 MA-L 🇬🇧 Marine Communications Limited 00:50:C2:89:50:00 /36 IAB 🇬🇧 Marine Entertainment Systems Ltd 00:50:C2:B1:00:00 /36 IAB 🇬🇧 Mark Roberts Motion Control 8C:1F:64:2E:20:00 /36 MA-S 🇬🇧 MART NETWORK SOLUTIONS LTD 70:B3:D5:94:F0:00 /36 MA-S 🇬🇧 MART NETWORK SOLUTIONS LTD 70:B3:D5:AB:E0:00 /36 MA-S 🇬🇧 Matrix Telematics Limited 70:B3:D5:B8:30:00 /36 MA-S 🇬🇧 MAVENIR IPA UK LTD 00:02:95:00:00:00 /24 MA-L 🇬🇧 Maxeler Technologies Ltd. B8:CD:A7:00:00:00 /24 MA-L 🇬🇧 MBM Technology Ltd. 00:06:62:00:00:00 /24 MA-L 🇬🇧 MCDONNELL DOUGLAS COMPUTER SYS 00:00:B9:00:00:00 /24 MA-L 🇬🇧 MDA SatConn UK 8C:1F:64:28:F0:00 /36 MA-S 🇬🇧 Measurement Devices Ltd 00:1B:CE:00:00:00 /24 MA-L 🇬🇧 Media Technologies Ltd. 00:50:C2:C9:10:00 /36 IAB 🇬🇧 Mediaport Systems Ltd 8C:1F:64:EF:40:00 /36 MA-S 🇬🇧 Mediashare Ltd 8C:1F:64:35:20:00 /36 MA-S 🇬🇧 Mediplan Limited 34:13:A8:00:00:00 /24 MA-L