Guangdong Donyan Network Technologies Co.,Ltd.

Any device whose MAC address begins with A4:35:23 has a network interface built by Guangdong Donyan Network Technologies 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

A4:35:23

Organization

Guangdong Donyan Network Technologies Co.,Ltd.

Address

No.6,Kejizhong Road,Chuangye Building,Hi-tech Zone Shantou Guangdong CN 515000

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.