Shanghai Reallytek Information Technology Co.,Ltd

Any device whose MAC address begins with 30:AA:BD has a network interface built by Shanghai Reallytek Information 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

30:AA:BD

Organization

Shanghai Reallytek Information Technology Co.,Ltd

Address

Building No.1-906, No.3000 Long Dong Avenue Shanghai CN 201203

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.