Shihlin Electric & Engineering Corp.

Any device whose MAC address begins with 44:5F:7A has a network interface built by Shihlin Electric & Engineering Corp.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

44:5F:7A

Organization

Shihlin Electric & Engineering Corp.

Address

16F NO.88, SEC, 6, CHUNG SHAN N. RD., TAIPEI HsinChu HsinFun Shiang TW 304

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.