Micro-Star Int'l Co, Ltd

Any device whose MAC address begins with D4:3D:7E has a network interface built by Micro-Star Int'l 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

D4:3D:7E

Organization

Micro-Star Int'l Co, Ltd

Address

No.69, Lide St., Jhonghe City Taipei County US 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.