Ruby Tech Corp.

Any device whose MAC address begins with 00:24:30 has a network interface built by Ruby Tech 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

00:24:30

Organization

Ruby Tech Corp.

Address

3F, NO. 1, Lane 50, Nan Kang Road, Sec. 3, Taipei TW 11510

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.