Beijing Gctech Technology Co.,LTD

Any device whose MAC address begins with 24:28:56 has a network interface built by Beijing Gctech Technology 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

24:28:56

Organization

Beijing Gctech Technology Co.,LTD

Address

Room 409, 4 / F, Building 1, No. 18 Jingxing Street, East Industrial Base, Science and Technology Park, Changping District Beijing CN 102200

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.