58,521 registered blocks.

🇰🇷 ROBOTOUS, Inc. 00:1E:A5:00:00:00 /24 MA-L 🇸🇬 ROBOX SG PTE. LTD. F0:40:AF:40:00:00 /28 MA-M 🇨🇳 ROBOX SMART MOTION (WUHU) CO.,LTD 3C:42:7E:D0:00:00 /28 MA-M 🇮🇹 ROBOX SPA 00:0F:47:00:00:00 /24 MA-L 🇺🇸 Roche Diagnostics 00:60:19:00:00:00 /24 MA-L 🇩🇪 Roche Diagnostics GmbH 00:0E:2F:00:00:00 /24 MA-L 🇩🇪 Roche Diagnostics GmbH B8:78:79:00:00:00 /24 MA-L 🇨🇭 Roche Diagnostics International Ltd. 00:40:49:00:00:00 /24 MA-L 🇺🇸 Rochester Network Supply, Inc. 6C:47:25:00:00:00 /24 MA-L 🇨🇳 Rock Electronic Co., Ltd. 38:73:EA:80:00:00 /28 MA-M 🇮🇹 ROCK PATH S.R.L 30:A0:23:00:00:00 /24 MA-L 🇨🇳 Rockeetech Systems Co.,Ltd. D8:25:B0:00:00:00 /24 MA-L 🇳🇿 Rocket Lab Ltd. 70:B3:D5:61:A0:00 /36 MA-S 🇺🇸 ROCKETCHIPS, INC. 00:D0:3E:00:00:00 /24 MA-L 🇺🇸 RocketLogix, Inc. 00:04:52:00:00:00 /24 MA-L 🇨🇦 Rockport Networks Inc 04:DE:DB:00:00:00 /24 MA-L 🇨🇳 Rockridgesound Technology Co. 00:1D:26:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 00:00:BC:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 00:1D:9C:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 08:61:95:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 18:4C:08:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 34:C0:F9:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 40:41:01:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 44:CC:6E:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 5C:21:67:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 5C:88:16:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation 68:C8:EB:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation BC:F4:99:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation E4:8E:BB:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation E4:90:69:00:00:00 /24 MA-L 🇺🇸 Rockwell Automation F4:54:33:00:00:00 /24 MA-L 🇨🇦 Rockwell Collins Canada 70:B3:D5:83:90:00 /36 MA-S 🇺🇸 Rocon PLC Research Centre 00:1C:E7:00:00:00 /24 MA-L 🇩🇪 roda computer GmbH 8C:1F:64:85:70:00 /36 MA-S 🇨🇳 Roda industrial development Co.,Ltd. 50:62:55:80:00:00 /28 MA-M 🇦🇺 RODE 74:60:4C:00:00:00 /24 MA-L 🇺🇸 Rodgers Instruments US LLC 8C:1F:64:A4:20:00 /36 MA-S 🇧🇷 ROEHN B0:7A:16:00:00:00 /24 MA-L 🇩🇪 Roesch & Walter Industrie-Elektronik GmbH 00:50:C2:A7:60:00 /36 IAB 🇩🇪 Roesch Walter Industrie-Elektronik GmbH 8C:1F:64:5D:F0:00 /36 MA-S 🇦🇹 Roessmann Engineering 00:50:C2:95:50:00 /36 IAB 🇵🇱 ROGER D.Wensker, G.Wensker sp.j. AC:8A:CD:00:00:00 /24 MA-L 🇺🇸 Rogue Engineering Inc. 00:50:C2:92:00:00 /36 IAB 🇺🇸 Rohati Systems 00:22:11:00:00:00 /24 MA-L 🇩🇪 ROHDE & SCHWARZ GMBH & CO. KG 00:90:B8:00:00:00 /24 MA-L 🇷🇴 Rohde&Schwarz Topex SA DC:44:27:D0:00:00 /28 MA-M 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:40:30:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:85:50:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:92:A0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:9E:C0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:BF:A0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:C9:E0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:D4:70:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:DD:30:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:E2:A0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:E4:B0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:EA:D0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:EE:40:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:F5:20:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 00:50:C2:FC:00:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 40:D8:55:06:C0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 40:D8:55:19:A0:00 /36 IAB 🇷🇴 Rohde&Schwarz Topex SA 70:B3:D5:18:60:00 /36 MA-S 🇷🇴 Rohde&Schwarz Topex SA 70:B3:D5:24:30:00 /36 MA-S 🇷🇴 Rohde&Schwarz Topex SA 70:B3:D5:29:60:00 /36 MA-S 🇷🇴 Rohde&Schwarz Topex SA 70:B3:D5:93:20:00 /36 MA-S 🇷🇴 Rohde&Schwarz Topex SA 70:B3:D5:FB:00:00 /36 MA-S 🇯🇵 ROHM CO., LTD. 00:1D:12:00:00:00 /24 MA-L 🇨🇳 ROHOTEK(shenzhen) Technology co., LTD 9C:E4:50:80:00:00 /28 MA-M 🇩🇪 ROI COMPUTER AG 00:01:8A:00:00:00 /24 MA-L 🇰🇷 ROIS Technologies, Inc. 00:05:CB:00:00:00 /24 MA-L 🇬🇧 Roke Manor Research Ltd 00:50:C2:5C:E0:00 /36 IAB 🇺🇸 Roku, Inc 10:59:32:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 20:EF:BD:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 30:6A:4F:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 34:5E:08:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 50:06:F5:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 54:4E:F0:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 60:92:C8:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 7C:67:AB:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 84:EA:ED:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 8C:49:62:00:00:00 /24 MA-L 🇺🇸 Roku, Inc 9C:F1:D4:00:00:00 /24 MA-L 🇺🇸 Roku, Inc A8:B5:7C:00:00:00 /24 MA-L 🇺🇸 Roku, Inc AC:AE:19:00:00:00 /24 MA-L 🇺🇸 Roku, Inc B0:EE:7B:00:00:00 /24 MA-L 🇺🇸 Roku, Inc BC:D7:D4:00:00:00 /24 MA-L 🇺🇸 Roku, Inc C8:3A:6B:00:00:00 /24 MA-L 🇺🇸 Roku, Inc D4:BE:DC:00:00:00 /24 MA-L 🇺🇸 Roku, Inc D4:E2:2F:00:00:00 /24 MA-L 🇺🇸 Roku, Inc D8:31:34:00:00:00 /24 MA-L 🇺🇸 Roku, Inc EC:9B:75:00:00:00 /24 MA-L 🇺🇸 Roku, Inc F8:B2:2C:00:00:00 /24 MA-L 🇺🇸 Roku, Inc. 00:0D:4B:00:00:00 /24 MA-L 🇺🇸 Roku, Inc. 08:05:81:00:00:00 /24 MA-L 🇺🇸 Roku, Inc. 88:DE:A9:00:00:00 /24 MA-L 🇺🇸 Roku, Inc. 8A:C7:2E:00:00:00 /24 CID 🇺🇸 Roku, Inc. AC:3A:7A:00:00:00 /24 MA-L 🇺🇸 Roku, Inc. B0:A7:37:00:00:00 /24 MA-L 🇺🇸 Roku, Inc. B8:3E:59:00:00:00 /24 MA-L