5VT Technologies,Taiwan LTd.

Any device whose MAC address begins with D4:BD:1E has a network interface built by 5VT Technologies,Taiwan 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:BD:1E

Organization

5VT Technologies,Taiwan LTd.

Address

6F,No.19-9,SanChong Rd.,Nangang Dist, Taipei TW 11501

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.