58,448 registered blocks.

🇩🇪 Kontron Europe GmbH 08:85:5B:00:00:00 /24 MA-L 🇨🇭 Kontron Medical 00:0E:32:00:00:00 /24 MA-L 🇹🇼 Konze System Technology Co.,Ltd. 28:02:45:00:00:00 /24 MA-L 🇩🇪 Konzept Informationssysteme GmbH 70:B3:D5:71:C0:00 /36 MA-S 🇩🇪 konzeptpark GmbH 00:1B:C5:05:B0:00 /36 MA-S 🇭🇷 KONČAR - Electrical Engineering Institute Ltd. EC:74:CD:70:00:00 /28 MA-M 🇨🇳 KoolPOS Inc. 00:55:DA:10:00:00 /28 MA-M 🇺🇸 KoolSpan, Inc. 00:50:C2:34:80:00 /36 IAB 🇺🇸 Kooltech LLC 00:50:C2:48:40:00 /36 IAB 🇺🇸 Koos Technical Services, Inc. 00:22:63:00:00:00 /24 MA-L 🇬🇧 KOP Ltd 00:50:C2:47:20:00 /36 IAB 🇺🇸 Kopis Mobile LLC 70:B3:D5:A0:60:00 /36 MA-S 🇰🇷 KORATEK 00:22:04:00:00:00 /24 MA-L 🇰🇷 Korea Airports Corporation 70:B3:D5:2C:D0:00 /36 MA-S 🇰🇷 Korea Bus Broadcasting 54:08:3B:B0:00:00 /28 MA-M 🇰🇷 Korea CNO Tech Co., Ltd D4:D8:98:00:00:00 /24 MA-L 🇰🇷 KOREA COMPUTER INC. 00:20:50:00:00:00 /24 MA-L 🇰🇷 Korea Computer Technology Co., Ltd. 00:05:B0:00:00:00 /24 MA-L 🇰🇷 Korea Data Systems 00:06:6F:00:00:00 /24 MA-L 🇰🇷 Korea Electric Power Data Network (KDN) Co., Ltd 00:1A:5A:00:00:00 /24 MA-L 🇰🇷 KOREA ELECTRIC TERMINAL CO., LTD. 00:1F:65:00:00:00 /24 MA-L 🇰🇷 Korea Electric Vehicle Infra Technology 8C:1F:64:35:A0:00 /36 MA-S 🇰🇷 Korea Image Technology Co., Ltd 74:8A:69:00:00:00 /24 MA-L 🇰🇷 Korea Infocom Co.,Ltd. 20:D5:AB:00:00:00 /24 MA-L 🇰🇷 KOREA MAINTENANCE 00:25:D8:00:00:00 /24 MA-L 🇰🇷 Korea Micro Wireless Co.,Ltd. 78:D8:00:D0:00:00 /28 MA-M 🇰🇷 Korea Network Systems 00:0C:FB:00:00:00 /24 MA-L 🇰🇷 Korea Plant Maintenance 70:B3:D5:DF:90:00 /36 MA-S 🇰🇷 KOREA SPECTRAL PRODUCTS 70:B3:D5:F5:90:00 /36 MA-S 🇰🇷 Korea Telecom Internet Solutions (KTIS) 00:50:C2:93:10:00 /36 IAB 🇰🇷 koreabts AC:E0:D6:00:00:00 /24 MA-L 🇰🇷 KOREALINK 00:50:C2:09:30:00 /36 IAB 🇰🇷 KORF Inc. 78:C2:C0:D0:00:00 /28 MA-M 🇯🇵 KORG INC. 00:11:FD:00:00:00 /24 MA-L 🇰🇷 Korins Inc. 10:12:18:00:00:00 /24 MA-L 🇰🇷 KORTEK CORPORATION 98:27:82:70:00:00 /28 MA-M 🇰🇷 KORWIN CO., Ltd. 00:16:8D:00:00:00 /24 MA-L 🇯🇵 KOSMEK.Ltd 70:B3:D5:BB:90:00 /36 MA-S 🇵🇱 Kospel S.A. 70:B3:D5:24:90:00 /36 MA-S 🇺🇸 Koss Corporation C0:22:50:00:00:00 /24 MA-L 🇨🇳 KOSTAL (Shanghai) Management Co., Ltd. 18:97:F1:00:00:00 /24 MA-L 🇩🇪 KOSTAL Industrie Elektrik GmbH 24:0B:B1:00:00:00 /24 MA-L 🇯🇵 Kotsu Dengyosha Co., Ltd. 8C:1F:64:7B:B0:00 /36 MA-S 🇰🇷 KOTT 00:05:A5:00:00:00 /24 MA-L 🇨🇭 Koubachi AG 8C:05:51:00:00:00 /24 MA-L 🇯🇵 kousyuhaneturen 8C:1F:64:09:00:00 /36 MA-S 🇹🇼 KOUWELL ELECTRONICS CORP. ** 00:50:62:00:00:00 /24 MA-L 🇺🇸 KOVE 4C:73:A5:00:00:00 /24 MA-L 🇯🇵 Kowa Company, Ltd. 00:05:5C:00:00:00 /24 MA-L 🇯🇵 KOYO ELECTRIC 00:50:C2:FC:E0:00 /36 IAB 🇺🇸 Kozio, Inc. 00:1E:C3:00:00:00 /24 MA-L 🇺🇸 Kozumi USA Corp. 00:26:CE:00:00:00 /24 MA-L 🇫🇷 KPAX 8C:14:7D:A0:00:00 /28 MA-M 🇨🇿 KPE spol. s r.o. 00:50:C2:83:E0:00 /36 IAB 🇨🇰 KPN. B.V. 00:59:AC:00:00:00 /24 MA-L 🇯🇵 Kpnetworks Ltd. AC:64:DD:60:00:00 /28 MA-M 🇰🇷 Kprotech Co., Ltd. 00:15:3C:00:00:00 /24 MA-L 🇩🇰 Krabbenhøft og Ingolfsson 70:B3:D5:F9:A0:00 /36 MA-S 🇷🇺 Kraftway Corporation PLC 1C:57:D8:00:00:00 /24 MA-L 🇬🇧 Kraken Technologies Ltd 18:D7:93:D0:00:00 /28 MA-M 🇨🇿 Kramara s.r.o. 00:50:C2:AF:50:00 /36 IAB 🇮🇱 Kramer Electronics Ltd. 00:1D:56:00:00:00 /24 MA-L 🇮🇱 Kramer Electronics Ltd. 00:50:C2:35:90:00 /36 IAB 🇺🇸 Kranze Technology Solutions, Inc. 90:A9:F7:B0:00:00 /28 MA-M 🇺🇸 Kranze Technology Solutions, Inc. 70:B3:D5:C1:D0:00 /36 MA-S 🇬🇧 Kratos Analytical Ltd 70:B3:D5:8D:B0:00 /36 MA-S 🇮🇱 Kratos EPD 00:16:50:00:00:00 /24 MA-L 🇸🇬 kratos network pte.ltd. 34:C8:D6:30:00:00 /28 MA-M 🇩🇪 Krauss Maffei Technologies GmbH 98:34:9D:00:00:00 /24 MA-L 🇨🇭 Kreafeuer AG, Swiss finsh 8C:1F:64:34:50:00 /36 MA-S 🇸🇪 Kreatel Communications AB 00:02:9B:00:00:00 /24 MA-L 🇵🇱 KRESS-NET Krzysztof Rutecki 00:50:C2:9A:F0:00 /36 IAB 🇫🇷 KRG CORPORATE 08:03:71:00:00:00 /24 MA-L 🇵🇱 KRISTECH 00:50:C2:B7:70:00 /36 IAB 🇵🇱 KRISTECH Krzysztof Kajstura 98:27:82:C0:00:00 /28 MA-M 🇵🇱 KRISTECH Krzysztof Kajstura 70:B3:D5:66:C0:00 /36 MA-S 🇩🇪 Kriwan Industrie-Elektronik GmbH 1C:D4:0C:00:00:00 /24 MA-L 🇸🇬 Krixe Pte. Ltd. AC:86:D1:D0:00:00 /28 MA-M 🇨🇳 Krizer international Co,. Ltd. 80:E4:DA:80:00:00 /28 MA-M 🇩🇪 Krohne 00:1D:44:00:00:00 /24 MA-L 🇬🇧 Kromek Limited 8C:1F:64:B9:B0:00 /36 MA-S 🇧🇷 Kron Medidores 70:B3:D5:72:D0:00 /36 MA-S 🇧🇷 Kron Medidores 70:B3:D5:C1:E0:00 /36 MA-S 🇧🇷 Kron Medidores 8C:1F:64:3A:20:00 /36 MA-S 🇩🇰 Kronback Tracers 00:1F:59:00:00:00 /24 MA-L 🇺🇸 KRONOTECH SRL 40:D8:55:1A:10:00 /36 IAB 🇮🇹 KRONOTECH SRL 70:B3:D5:62:60:00 /36 MA-S 🇮🇹 KRONOTECH SRL 70:B3:D5:8C:80:00 /36 MA-S 🇮🇹 KRONOTECH SRL 70:B3:D5:D5:60:00 /36 MA-S 🇮🇹 KRONOTECH SRL 70:B3:D5:FB:60:00 /36 MA-S 🇮🇹 KRONOTECH SRL 8C:1F:64:10:30:00 /36 MA-S 🇮🇹 KRONOTECH SRL 8C:1F:64:5F:90:00 /36 MA-S 🇮🇹 KRONOTECH SRL 8C:1F:64:CC:30:00 /36 MA-S 🇮🇹 KRONOTECH SRL 8C:1F:64:D3:40:00 /36 MA-S 🇹🇷 Krontech CC:D3:9D:60:00:00 /28 MA-M 🇹🇷 Krontech 70:B3:D5:6E:90:00 /36 MA-S 🇦🇺 Krontek Pty Ltd 00:50:C2:CB:60:00 /36 IAB 🇨🇳 Krspace D8:86:0B:10:00:00 /28 MA-M 🇺🇸 krtkl inc. 6C:5C:3D:A0:00:00 /28 MA-M 🇧🇷 Kruger DB Series Indústria Eletrônica ltda 8C:1F:64:8F:F0:00 /36 MA-S