CMAX Wireless Co., Ltd.

Any device whose MAC address begins with CC:7A:30 has a network interface built by CMAX Wireless Co., 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

CC:7A:30

Organization

CMAX Wireless Co., Ltd.

Address

KT Bongduk B/D 9F, 627-15, Bongduk-dong Namgu Daegu KR 705710

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.