Salix Technology CO., Ltd.

Any device whose MAC address begins with 20:57:21 has a network interface built by Salix Technology 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

20:57:21

Organization

Salix Technology CO., Ltd.

Address

5F., No. 16, Lane 77, Hsing Ai Road Taipei TW 114

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.