C-MAX Asia Limited

Any device whose MAC address begins with 90:2C:C7 has a network interface built by C-MAX Asia Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

90:2C:C7

Organization

C-MAX Asia Limited

Address

Unit 117, 1/F, Liven House Kwun Tong Kowloon HK 852

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.