ST&T Instrument Corp.

Any device whose MAC address begins with 00:08:ED has a network interface built by ST&T Instrument 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

00:08:ED

Organization

ST&T Instrument Corp.

Address

16 Shing-Gong Road, Yung-Kung Industrial Yung-Kung Tainan TW 710

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.