Minxon Hotel Technology INC.

Any device whose MAC address begins with E4:F9:39 has a network interface built by Minxon Hotel Technology INC.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E4:F9:39

Organization

Minxon Hotel Technology INC.

Address

3F, No.37, Dongxing Rd., Xinyi Dist. Taipei Taiwan TW 11070

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.