Shanhai GBCOM Communication Technology Co. Ltd

Any device whose MAC address begins with AC:34:CB has a network interface built by Shanhai GBCOM Communication 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

AC:34:CB

Organization

Shanhai GBCOM Communication Technology Co. Ltd

Address

Room 602, Building 6, No.555 Dongchuan Road Shanghai CN 200241

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.