| 94:05:BB:3 | Neurik AG | Neutrik AG | 8 Jan 2021 |
| 00:08:0C | VDA Elettronica spa | VDA Group S.p.a. | 9 Jan 2021 |
| 00:1A:86 | AdvancedIO Systems Inc | New Wave Design & Verification | 15 Jan 2021 |
| A4:53:EE:6 | Aura Home, Inc. | Shenzhen Xunqi Interconnet Technology Co., Ltd | 15 Jan 2021 |
| 70:B3:D5:16:0 | Beijing radacat Co.,Ltd. | European Synchrotron Radiation Facility | 16 Jan 2021 |
| F4:C7:95 | WEY Elektronik AG | WEY Technology AG | 16 Jan 2021 |
| 60:15:92:D | REMEOWIRELESS COMMUNICATION INTERNATIONAL CO.,LIMITED | REMOWIRELESS COMMUNICATION INTERNATIONAL CO.,LIMITED | 21 Jan 2021 |
| 70:B3:D5:69:B | TAIYO SEIKI CO.,LTD. | Horizon Co., Ltd | 21 Jan 2021 |
| 00:50:C2:E6:0 | TAIYO SEIKI CO.,LTD. | Horizon Co., Ltd | 22 Jan 2021 |
| 00:14:1D | LTI-Motion GmbH | KEBA Industrial Automation Germany GmbH | 27 Jan 2021 |
| 00:04:7D | Pelco | Motorola Solutions Inc. | 28 Jan 2021 |
| 00:18:85 | Avigilon Corporation | Motorola Solutions Inc. | 28 Jan 2021 |
| 00:1F:92 | Avigilon Corporation | Motorola Solutions Inc. | 28 Jan 2021 |
| 70:B3:D5:31:2 | Blue Sparq, Inc. | SMITEC S.p.A. | 29 Jan 2021 |
| 00:80:8C | NetAlly | NETSCOUT SYSTEMS INC | 30 Jan 2021 |
| 00:A0:0E | NetAlly | NETSCOUT SYSTEMS INC | 30 Jan 2021 |
| 04:9F:81 | NetAlly | NETSCOUT SYSTEMS INC | 30 Jan 2021 |
| D8:E7:2B | NetAlly | NETSCOUT SYSTEMS INC | 30 Jan 2021 |
| 00:23:BB | Schmitt Industries | Accretech SBS, Inc. | 6 Feb 2021 |
| 70:B3:D5:47:4 | DAYOUPLUS | CTROGERS LLC | 9 Feb 2021 |
| 70:B3:D5:CF:A | Shanghai Reacheng Communication Technology Co.,Ltd | SCHEIBER | 11 Feb 2021 |
| 70:B3:D5:73:6 | Jabil, Inc. | Jabil | 19 Feb 2021 |
| 00:22:89 | Vandelrande APC inc. | Vanderlande APC inc. | 25 Feb 2021 |
| 08:01:0F | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 18:52:07 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 18:75:32 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 24:8B:E0 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 2C:63:73 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 40:F4:20 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 44:BA:46 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 54:E0:61 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 5C:4A:1F | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 5C:A1:76 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 64:3A:B1 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 64:5D:92 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 68:26:2A | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 78:B8:4B | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 78:C2:C0:6 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 7C:CC:1F | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 80:48:A5 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 90:86:74 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 9C:32:A9 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 9C:61:21 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 9C:9C:40 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| AC:E7:7B | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| B8:22:4F | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| CC:A2:60 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| D4:41:65 | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| E0:4F:BD | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| E0:C6:3C | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| EC:F8:EB | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| F0:92:B4 | SICHUAN TIANYI COMHEART TELECOMCO., LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| FC:37:2B | SICHUAN TIANYI COMHEART TELECOMCO.,LTD | Sichuan Tianyi Comheart Telecom Co.,LTD | 25 Feb 2021 |
| 44:35:6F | Neterix | Neterix Ltd | 26 Feb 2021 |
| 70:B3:D5:DF:7 | Refecor Oy | ScopeSensor Oy | 6 Mar 2021 |
| 88:C9:B3:3 | Trakm8 Ltd | Fortive Setra-ICG(Tianjin)Co.,Ltd | 7 Mar 2021 |
| 24:E1:24 | Xiamen Ursalink Technology Co., Ltd. | Xiamen Milesight IoT Co., Ltd. | 10 Mar 2021 |
| A4:D0:94 | Erwin Peters Systemtechnik GmbH | VIVAVIS AG | 13 Mar 2021 |
| 00:50:C2:E6:0 | Horizon Co., Ltd | HORIZON.INC | 17 Mar 2021 |
| 70:B3:D5:69:B | Horizon Co., Ltd | HORIZON.INC | 18 Mar 2021 |
| 00:0B:3A | QuStream Corporation | PESA | 20 Mar 2021 |
| 00:50:C2:1A:F | PESA Switching Systems, Inc. | PESA | 20 Mar 2021 |
| 64:D0:2D | Next Generation Integration (NGI) | NEXT GENERATION INTEGRATION LIMITED (NGI) | 24 Mar 2021 |
| A8:55:6A | Pocketnet Technology Inc. | 3S System Technology Inc. | 24 Mar 2021 |
| 70:B3:D5:4C:B | CamNtech Ltd | Cucos Retail Systems GmbH | 25 Mar 2021 |
| 30:49:50:D | Xio Research, Inc | Merlyn Mind, Inc. | 26 Mar 2021 |
| 00:03:24 | SANYO Consumer Electronics Co., Ltd. | SANYO Techno Solutions Tottori Co., Ltd. | 30 Mar 2021 |
| 70:B3:D5:03:6 | PARAGON ID | Vema Venturi AB | 31 Mar 2021 |
| 00:00:60 | KONTRON ELEKTRONIK GMBH | Kontron Europe GmbH | 1 Apr 2021 |
| 00:30:59 | KONTRON COMPACT COMPUTERS AG | Kontron Europe GmbH | 1 Apr 2021 |
| 00:00:60 | Kontron Europe GmbH | Kontron Elektronik GmbH | 2 Apr 2021 |
| 00:00:60 | Kontron Elektronik GmbH | Kontron Europe GmbH | 3 Apr 2021 |
| 08:00:37 | FUJI-XEROX CO. LTD. | FUJIFILM Business Innovation Corp. | 3 Apr 2021 |
| 1C:7D:22 | Fuji Xerox Co., Ltd. | FUJIFILM Business Innovation Corp. | 3 Apr 2021 |
| 8C:AE:DB | NAG LLC | NAGTECH LLC | 4 Apr 2021 |
| F8:F0:82 | NAG LLC | NAGTECH LLC | 4 Apr 2021 |
| B4:C8:10 | UMPI Elettronica | Umpi srl | 8 Apr 2021 |
| 00:0A:D9 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:0E:07 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:0F:DE | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:12:EE | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:16:20 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:16:B8 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:18:13 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:19:63 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:1A:75 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:1B:59 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:1C:A4 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:1D:28 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:1E:45 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:1E:DC | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:1F:E4 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:21:9E | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:22:98 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:23:45 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:23:F1 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:24:EF | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:25:E7 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 00:EB:2D | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 18:00:2D | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 1C:7B:21 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 20:54:76 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 24:21:AB | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 28:3F:69 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 30:17:C8 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 30:39:26 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 30:75:12 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 30:A8:DB | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 38:78:62 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 3C:01:EF | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 40:2B:A1 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 40:40:A7 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 40:B8:37 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 44:74:6C | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 44:D4:E0 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 4C:21:D0 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 58:17:0C | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 58:48:22 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 5C:B5:24 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 68:76:4F | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 6C:0E:0D | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 6C:23:B9 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 84:00:D2 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 84:8E:DF | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 84:C7:EA | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 8C:64:22 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 90:C1:15 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 94:CE:2C | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| 9C:5C:F9 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| A0:E4:53 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| B4:52:7D | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| B4:52:7E | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| B8:F9:34 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| BC:6E:64 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| C4:3A:BE | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| D0:51:62 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| D4:38:9C | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| E0:63:E5 | Sony Mobile Communications Inc | Sony Corporation | 15 Apr 2021 |
| A0:C4:A5 | SYGN HOUSE CO.,LTD | SYGN HOUSE INC. | 16 Apr 2021 |
| 70:B3:D5:90:1 | ATS-CONVERS | ATS-CONVERS,LLC | 21 Apr 2021 |
| 00:0E:82 | Commtech Wireless | Infinity Tech | 25 Apr 2021 |
| 00:08:AC | Eltromat GmbH | BST GmbH | 7 May 2021 |
| 00:16:E8 | Sigma Designs, Inc. | Lumissil Microsystems | 8 May 2021 |
| 70:B3:D5:3F:E | Mentor Graphics | Siemens Industry Software Inc. | 20 May 2021 |
| D0:9F:D9:3 | Sanken-Densetsu Co.,LTD. | GS Yuasa Infrastructure Systems Co.,Ltd. | 20 May 2021 |
| 00:0C:EC | Spectracom Corp. | Orolia USA | 28 May 2021 |
| 2C:35:57 | ELLIY Power CO..Ltd | ELIIY Power CO., Ltd. | 29 May 2021 |
| 70:89:76 | Tuya (HK) Limietd | Tuya Smart Inc. | 3 Jun 2021 |
| 84:E3:42 | Tuya (HK) Limietd | Tuya Smart Inc. | 3 Jun 2021 |
| 10:13:31 | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| 20:B0:01 | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| 30:91:8F | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| 58:98:35 | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| 9C:97:26 | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| A4:91:B1 | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| A4:B1:E9 | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| C4:EA:1D | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| D4:35:1D | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| E0:B9:E5 | Technicolor | Technicolor Delivery Technologies Belgium NV | 8 Jun 2021 |
| 4C:E2:F1 | sclak srl | Udino srl | 9 Jun 2021 |
| 08:00:42 | JAPAN MACNICS CORP. | MACNICA, Inc. | 13 Jun 2021 |
| 78:52:4A | Ensenso GmbH | Optonic GmbH | 16 Jun 2021 |
| 00:50:C2:91:3 | Leonardo MW Ltd (Land & Naval Defence Electronic) | Leonardo UK Ltd | 18 Jun 2021 |
| 00:50:C2:DD:8 | Leonardo MW Ltd (Land & Naval Defence Electronic) | Leonardo UK Ltd | 18 Jun 2021 |
| 00:80:E7 | Leonardo Tactical Systems. | Leonardo UK Ltd | 18 Jun 2021 |
| 00:50:C2:F0:5 | ESI Ventures | ESI Ventures, LLC | 19 Jun 2021 |
| 64:B6:23 | CCS Care Communication Solutions GmbH | Schrack Seconet Care Communication GmbH | 24 Jun 2021 |
| 84:11:C2:3 | Hitachi,Ltd. | FUJIFILM Healthcare Corporation | 8 Jul 2021 |
| 2C:D1:DA | Sanjole, Inc. | Keysight Technologies, Inc. | 11 Jul 2021 |
| 8C:1F:64:C7:C | Merkle Schweißanlagentechnik GmbH | MERKLE Schweissanlagen-Technik GmbH | 11 Jul 2021 |
| A0:22:4E:4 | TMGcore LLC | TMGcore, Inc. | 11 Jul 2021 |
| 00:50:C2:A9:3 | SPX Dehydration & Filtration | SPX Flow Technology | 16 Jul 2021 |
| D0:A0:D6 | Chengdu TD Tech Ltd. | TÜV Rheinland (China) Ltd. | 24 Jul 2021 |
| 00:1D:5B | Tecvan Informática Ltda | Tecvan Informatica Ltda | 28 Jul 2021 |
| 00:24:69 | Smart Doorphones | Fasttel - Smart Doorphones | 28 Jul 2021 |
| 8C:1F:64:B0:C | Barkodes Bilgisayar Sistemleri Bilgi ?leti?im ve Yaz?l?m Tic.Ltd.?ti. | Barkodes Bilgisayar Sistemleri Bilgi Iletisim ve Y | 28 Jul 2021 |
| B4:AC:8C | Berner Fachhochschule | Bern University of Applied Sciences | 28 Jul 2021 |
| 88:DC:96 | SENAO Networks, Inc. | EnGenius Technologies, Inc. | 30 Jul 2021 |
| 00:50:C2:8B:7 | Calnex Solutions Limited | Calnex Solutions plc | 1 Aug 2021 |
| 78:13:05:7 | Equipmentshare.com Inc | E-Stone Electronics Co., Ltd | 1 Aug 2021 |
| 90:EB:48 | Shanghai chipfresh Electronics Technology Co., Ltd | Shanghai ChipFresh Internet of Things Technology C | 13 Aug 2021 |
| E8:6D:6E | voestalpine SIGNALING Fareham Ltd. | voestalpine Signaling UK Ltd. | 14 Aug 2021 |
| 84:3B:10 | Lv switch Inc. | LVSWITCHES INC. | 18 Aug 2021 |
| 78:C6:BB | Innovasic, Inc. | Analog Devices, Inc. | 25 Aug 2021 |
| D0:A0:D6 | TÜV Rheinland (China) Ltd. | TD Tech | 26 Aug 2021 |
| 00:0A:08 | ALPINE ELECTRONICS, INC. | Alps Alpine | 27 Aug 2021 |
| 14:61:02 | Alpine Electronics, Inc. | Alps Alpine | 27 Aug 2021 |
| 70:B3:D5:F1:B | RoyalShield Technologies India Private Limited | IndiNatus (IndiNatus India Private Limited) | 27 Aug 2021 |
| 94:05:BB:7 | LTE-X, Inc | closip Inc. | 27 Aug 2021 |
| D0:A0:D6 | TD Tech | Chengdu TD Tech Ltd. | 27 Aug 2021 |
| D0:A0:D6 | Chengdu TD Tech Ltd. | TD Tech | 28 Aug 2021 |
| D0:A0:D6 | TD Tech | Cheng Du TD Tech | 29 Aug 2021 |
| 58:FC:DB:7 | Open Roads Consulting, Inc. | Prometheus Security Group Global, Inc. | 2 Sep 2021 |
| 98:FC:84:3 | Shanghai ZeXin Information Technologies Co. Ltd. | ZeXin (Shanghai) Information Technologies Co.,Ltd | 2 Sep 2021 |
| 00:13:CA | Pico Digital | ATX | 12 Sep 2021 |
| 74:F8:DB:3 | InnoTrans Communications | ATX | 12 Sep 2021 |
| D0:A0:D6 | Cheng Du TD Tech | ChengDu TD Tech | 12 Sep 2021 |
| 00:40:36 | Zoom Telephonics, Inc | Minim Inc. | 15 Sep 2021 |
| 3C:E0:38 | Plumeria Networks, Inc. | Omnifi Inc. | 21 Sep 2021 |
| F4:A4:54:3 | Ubiqcom India Pvt Ltd | Chongqing Hengxun Liansheng Industrial Co.,Ltd | 22 Sep 2021 |
| 00:C0:9B | RELIANCE COMM/TEC, R-TEC | Tellabs Enterprise, Inc. | 24 Sep 2021 |
| 00:16:82 | Pro Dex, Inc | OMS Motion | 29 Sep 2021 |
| 70:B3:D5:6C:1 | Labtronik s.r.l. | R.A.I.T.88 Srl | 29 Sep 2021 |
| CC:3F:1D | Intesis Software SL | HMS Industrial Networks SLU | 1 Oct 2021 |
| 00:80:C2 | IEEE 802.1 Working Group | IEEE 802.1 Chair | 2 Oct 2021 |
| 3A:A3:F8 | IEEE 802.1 Working Group | IEEE 802.1 Chair | 2 Oct 2021 |
| 4A:07:D6 | IEEE 802.1 Working Group | IEEE 802.1 Chair | 2 Oct 2021 |
| CA:30:BF | IEEE 802.1 Working Group | IEEE 802.1 Chair | 2 Oct 2021 |
| FA:94:F1 | IEEE 802.1 Working Group | IEEE 802.1 Chair | 2 Oct 2021 |
| 00:09:B0 | Onkyo Corporation | Onkyo Technology K.K. | 6 Oct 2021 |
| 00:50:C2:4F:6 | REAL D | RealD, Inc. | 8 Oct 2021 |
| 00:50:C2:B5:8 | Real D | RealD, Inc. | 8 Oct 2021 |
| 00:50:C2:C9:0 | RealD | RealD, Inc. | 8 Oct 2021 |
| 70:B3:D5:CC:B | RealD | RealD, Inc. | 8 Oct 2021 |
| 70:B3:D5:85:C | Robot Pub Group | Tabology | 13 Oct 2021 |
| 8C:1F:64:DC:A | Porsche egnieering | Porsche engineering | 13 Oct 2021 |
| 00:50:C2:DC:6 | Fluid Components International | Fluid Components Intl | 21 Oct 2021 |
| 70:B3:D5:A1:D | Fluid Components International | Fluid Components Intl | 21 Oct 2021 |
| 00:50:C2:D5:E | infinitec co., ltd. | PRIVATECH Inc. | 23 Oct 2021 |
| 00:50:C2:9B:C | Vester Elektronik GmbH | Kistler Straubenhardt GmbH | 24 Oct 2021 |
| 5C:16:C7 | Big Switch Networks | Arista Networks | 24 Oct 2021 |
| 00:50:C2:59:7 | Nautel Limited | Nautel LTD | 27 Oct 2021 |
| 40:D8:55:01:9 | Nautel Limited | Nautel LTD | 27 Oct 2021 |
| 70:B3:D5:87:C | Nautel Limited | Nautel LTD | 27 Oct 2021 |
| 70:B3:D5:EB:0 | Nautel Limted | Nautel LTD | 27 Oct 2021 |
| 00:02:A3 | ABB Switzerland Ltd, Power Systems | Hitachi Energy Switzerland Ltd | 28 Oct 2021 |
| 00:0C:36 | SHARP TAKAYA ELECTRONICS INDUSTRY CO.,LTD. | S-Takaya Electronics Industry Co.,Ltd. | 28 Oct 2021 |
| C0:BA:E6 | Application Solutions (Electronics and Vision) Ltd | Application Solutions (Safety and Security) Ltd | 2 Nov 2021 |
| 00:40:84 | Honeywell International HPS | Honeywell | 3 Nov 2021 |
| 50:A0:30:3 | RealWaer (Shanghai) Intelligent Technology Co., Ltd. | RealWear (Shanghai) Intelligent Technology Co. Ltd | 3 Nov 2021 |
| 00:80:DA | Bruel & Kjaer Sound & Vibration Measurement A/S | Hottinger Brüel & Kjær A/S | 10 Nov 2021 |
| 00:09:E5 | Hottinger Baldwin Messtechnik GmbH | Hottinger Brüel & Kjaer GmbH | 11 Nov 2021 |
| F4:F7:0C | neterbit | Avang - neterbit | 13 Nov 2021 |
| 00:F8:71 | DGS Denmark A/S | Demant A/S | 14 Nov 2021 |
| 00:0D:9C | Elan GmbH & Co KG | K.A. Schmersal GmbH & Co. KG | 18 Nov 2021 |
| 10:37:11 | Simlink AS | NORBIT ITS | 18 Nov 2021 |
| 2C:FD:B3 | TCL Technoly Electronics(Huizhou).,Ltd | Tonly Technology Co. Ltd | 19 Nov 2021 |
| 88:D0:39 | TCL Technoly Electronics(Huizhou).,Ltd | Tonly Technology Co. Ltd | 19 Nov 2021 |
| D8:AA:59 | TCL Technoly Electronics(Huizhou).,Ltd | Tonly Technology Co. Ltd | 19 Nov 2021 |
| 00:90:3F | AZTEC RADIOMEDIA | WorldCast Systems | 20 Nov 2021 |
| 00:40:58 | KRONOS, INC. | UKG | 1 Dec 2021 |
| 00:50:C2:3F:3 | Hitachi ABB Power Grids – Grid Automation | Hitachi Energy | 1 Dec 2021 |
| 30:B2:16 | Hitachi ABB Power Grids – Grid Automation | Hitachi Energy | 1 Dec 2021 |
| DC:36:43:A | Kuantech Co.,Ltd. Taiwan Branch | KUANTECH (CAMBODIA) CORPORATION LIMITED | 3 Dec 2021 |
| 14:DC:E2 | Logitrade | THALES AVS France | 8 Dec 2021 |
| 00:19:8E | Oticon A/S | Demant A/S | 9 Dec 2021 |
| 00:D0:4C | EUROTEL TELECOM LTD. | Eseye Design Ltd | 9 Dec 2021 |
| 14:9B:D7 | MULI FURNITURE QIDONG CO.,LTD | MULI MUWAI FURNITURE QIDONG CO., LTD | 9 Dec 2021 |
| A0:B4:BF | Infinet-EKB LLC | InfiNet LLC | 9 Dec 2021 |
| 90:EB:48 | Shanghai ChipFresh Internet of Things Technology C | Shanghai XinMiaoLink Technology Co., Ltd | 15 Dec 2021 |
| EC:71:DB | Shenzhen Baichuan Digital Technology Co., Ltd. | Reolink Innovation Limited | 15 Dec 2021 |
| 00:A0:A2 | DIGICOM S.P.A. | B810 S.R.L. | 22 Dec 2021 |
| 00:0F:A0 | CANON KOREA BUSINESS SOLUTIONS INC. | Canon Korea Inc. | 30 Dec 2021 |