Xiamen Yudian Automation Technology Co., Ltd

Any device whose MAC address begins with 34:D7:72 has a network interface built by Xiamen Yudian Automation Technology Co., Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

34:D7:72

Organization

Xiamen Yudian Automation Technology Co., Ltd

Address

No. 17 North Huoju Rd., Huoju Park, Huoju Hi-Tech District XIAMEN FUJIAN CN 361000

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.