Qotom

Any device whose MAC address begins with 20:7C:14 has a network interface built by Qotom. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

20:7C:14

Organization

Qotom

Address

Huafeng Intelligence Valley, Hangcheng Street Shenzhen GuangDong CN 518000

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.