| OUI 前缀 | 厂商 | 全称 |
|---|---|---|
| 0C:A4:2A/24 | OBTelecomEle | OB Telecom Electronic Technology Co., Ltd |
| 00:0F:63/24 | ObzervTechno | Obzerv Technologies |
| FA:2E:E9/24 | OCAAlliance | OCA Alliance, Inc. |
| E0:3C:1C:9/28 | OcamarTechno | Ocamar Technologies (Shanghai) Co.,Ltd. |
| 8C:1F:64:6A:1/36 | Ocarina | Ocarina |
| 00:50:C2:C8:B/36 | OcasAs | Ocas As |
| 00:02:86/24 | OccamNetwork | Occam Networks |
| FA:4C:77/24 | Occitaline | Occitaline |
| 04:D9:21/24 | Occuspace | Occuspace |
| 70:B3:D5:16:C/36 | Ocean | Ocean |
| 5C:B1:5F/24 | OceanblueClo | Oceanblue Cloud Technology Limited |
| 00:13:09/24 | OceanBroadba | Ocean Broadband Networks |
| 70:B3:D5:FD:5/36 | Oceancctv | Oceancctv Ltd |
| 50:DE:19:6/28 | Oceancctv | Oceancctv Ltd |
| 70:B3:D5:1A:9/36 | Oceanix | Oceanix Inc. |
| 00:40:D8/24 | OceanOfficeA | Ocean Office Automation Ltd. |
| 00:19:8D/24 | OceanOptics | Ocean Optics, Inc. |
| 58:76:07:7/28 | Oceansbio | Oceansbio |
| B8:9A:ED/24 | OceanServerT | OceanServer Technology, Inc |
| DC:F1:44/24 | OceanSolutio | Ocean Solution Technology |
| 00:50:C2:DF:2/36 | OceanSonics | Ocean Sonics |
| 3C:DC:03:8/28 | OceasoftSas | Oceasoft Sas |
| D0:A0:11:6/28 | OCEMEnergyTe | OCEM Energy Technology |
| 00:20:84/24 | OcePrinting | Oce Printing Systems, Gmbh |
| BC:DF:E1:4/28 | Ochno | Ochno AB |
| 70:B3:D5:03:A/36 | Ochno | Ochno AB |
| CC:50:76/24 | OcomCommunic | Ocom Communications, Inc. |
| D4:40:D0/24 | OCOSMOS | OCOSMOS Co., LTD |
| 00:25:23/24 | OCP | OCP Inc. |
| FC:95:6A/24 | Octagon | Octagon Systems Corp. |
| 00:20:0B/24 | Octagon | Octagon Systems Corp. |
| 00:11:B7/24 | Octalix | Octalix B.V. |
| 00:0C:90/24 | Octasic | Octasic Inc. |
| 00:50:C2:43:1/36 | Octatron | Octatron, Inc. |
| 00:0A:24/24 | OctaveCommun | Octave Communications |
| 00:20:FB/24 | OctelCommuni | Octel Communications Corp. |
| 00:1B:C5:03:0/36 | OctoGateITSe | OctoGate IT Security Systems GmbH |
| 80:C5:01/24 | OctoGateITSe | OctoGate IT Security Systems GmbH |
| 9C:68:5B/24 | Octonion | Octonion SA |
| 3C:92:DC/24 | OctopodTechn | Octopod Technology Co. Ltd. |
| 68:CA:00/24 | Octopus | Octopus Systems Limited |
| CC:E7:DE:2/28 | OctopusEnerg | Octopus Energy Ltd |
| 70:B3:D5:AD:7/36 | OctopusIoT | Octopus IoT srl |
| 2C:27:9E:9/28 | octoScope | octoScope, Inc. |
| 70:B3:D5:EF:3/36 | octoScope | octoScope |
| 02:BB:01/24 | Octothorpe | Octothorpe Corp. |
| 00:BB:01/24 | Octothorpe | Octothorpe Corp. |
| 74:87:A9/24 | OCTTechnolog | OCT Technology Co., Ltd. |
| 00:0C:2A/24 | OCTTELCommun | OCTTEL Communication Co., Ltd. |
| 5C:5C:75:3/28 | OcubesShangh | O-cubes Shanghai Microelectronics Technology Co., Ltd |
| 00:04:21/24 | OcularNetwor | Ocular Networks |
| 70:B3:D5:B9:6/36 | Oculii | Oculii |
| 70:B3:D5:17:E/36 | OculiVision | Oculi Vision |
| 2C:26:17/24 | OculusVR | Oculus VR, LLC |
| 00:0D:BA/24 | OcéDocumentT | Océ Document Technologies GmbH |
| AC:CA:8E/24 | ODATechnolog | ODA Technologies |
| 70:B3:D5:F8:8/36 | OdawarakikiA | Odawarakiki Auto-Machine Mfg.Co.,Ltd |
| 00:50:C2:89:7/36 | ODFOptronics | ODF Optronics, Inc. |
| 48:E6:C6:C/28 | OdinSolution | Odin Solutions, S.L. - B73845893 |
| 00:50:C2:81:7/36 | OdinTeleSyst | Odin TeleSystems Inc |
| 00:50:C2:32:4/36 | Odixion | Odixion |
| 5C:17:15/24 | ODriveRoboti | ODrive Robotics |
| 8C:1F:64:C3:6/36 | ODTech | ODTech Co., Ltd. |
| 00:50:C2:AF:C/36 | OdusTechnolo | Odus Technologies SA |
| 00:21:6C/24 | Odva | Odva |
| 00:50:C2:C8:1/36 | OdysseeSyste | Odyssee Systemes SAS |
| 8C:1F:64:5E:6/36 | OdysseeSyste | Odyssee-Systemes |
| 0C:BF:B4:7/28 | OdysseyRobot | Odyssey Robot LLC |
| 00:50:C2:42:E/36 | OelmannElekt | Oelmann Elektronik GmbH |
| 00:40:F5/24 | OemEngines | Oem Engines |
| 50:A4:D0:9/28 | OemProductio | Oem Production Inc. |
| 00:26:17/24 | OEMWorldwide | OEM Worldwide |
| 00:50:C2:6C:5/36 | OerlikonCont | Oerlikon Contraves AG |
| 8C:92:46/24 | OerlikonText | Oerlikon Textile Gmbh&Co.KG |
| 8C:1F:64:57:8/36 | OES | OES Inc. |
| 70:B3:D5:1B:8/36 | OES | OES Inc. |
| 8C:1F:64:D8:4/36 | OES | OES Inc. |
| 00:19:3A/24 | Oesolutions | Oesolutions |
| 94:8D:EF/24 | OetikerSchwe | Oetiker Schweiz AG |
| 28:36:13:7/28 | OfeixinTechn | Shenzhen Ofeixin Technology Limited |
| 00:07:B0/24 | OfficeDetail | Office Details, Inc. |
| D8:33:7F/24 | OfficeFAcom | Office FA.com Co.,Ltd. |
| 00:50:C2:44:4/36 | Offshore | Offshore Systems Ltd |
| 00:50:C2:F6:A/36 | OFI | OFI Inc. (dba 2D2C) |
| 70:B3:D5:9E:2/36 | OfilUSA | Ofil USA |
| 70:F1:1C/24 | OgemrayTechn | Shenzhen Ogemray Technology Co.,Ltd |
| 7C:DD:90/24 | OgemrayTechn | Shenzhen Ogemray Technology Co., Ltd. |
| 1C:21:D1:1/28 | Ognios | Ognios GmbH |
| 70:B3:D5:55:6/36 | OhashiEngine | Ohashi Engineering Co.,Ltd. |
| 00:1B:C5:07:2/36 | OhioSemitron | Ohio Semitronics, Inc. |
| 00:C0:2A/24 | OhkuraElectr | Ohkura Electric Co., Ltd. |
| 00:20:19/24 | Ohler | Ohler Gmbh |
| 70:B3:D5:6A:9/36 | OhmoriElectr | Ohmori Electric Industries Co.Ltd |
| 00:04:8E/24 | OhmTechLabs | Ohm Tech Labs, Inc. |
| 00:10:1C/24 | OhmTechnolog | Ohm Technologies Intl, Llc |
| D0:1B:1F/24 | Ohsung | Ohsung |
| B8:14:DB/24 | Ohsung | Ohsung |
| F4:83:2C/24 | Ohsung | Ohsung |
| 98:EF:9B/24 | Ohsung | Ohsung |
| 14:CF:8D/24 | Ohsung | Ohsung |