Shenzhen Ogemray Technology Co., Ltd.

Any device whose MAC address begins with 7C:DD:90 has a network interface built by Shenzhen Ogemray 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

7C:DD:90

Organization

Shenzhen Ogemray Technology Co., Ltd.

Address

3 Floor, 9 Building, Minxing Industrial Zone, Shenzhen Guangdong CN 518131

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.