Dexin Corporation

Any device whose MAC address begins with 64:31:7E has a network interface built by Dexin Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

64:31:7E

Organization

Dexin Corporation

Address

14F-8, No. 258, Lian Cheng Rd. Chung Ho City, Taipei Hsien TW 235

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.