Cayee Computer Ltd.

Any device whose MAC address begins with 00:23:00 has a network interface built by Cayee Computer 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

00:23:00

Organization

Cayee Computer Ltd.

Address

Units 1002-1003, 10/F, Join-In Hang Sing Centre Kwai Chung N.T HK

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.