Calxeda, Inc.

Any device whose MAC address begins with 74:CA:25 has a network interface built by Calxeda, 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

74:CA:25

Organization

Calxeda, Inc.

Address

7000 North Mopac Expressway Austin TX US 78731

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.