Quectel Wireless Solutions Co.,Ltd.

Any device whose MAC address begins with 50:37:CD has a network interface built by Quectel Wireless Solutions 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

50:37:CD

Organization

Quectel Wireless Solutions Co.,Ltd.

Address

Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District Shanghai CN 200233

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.