Telink Micro LLC

Any device whose MAC address begins with C4:22:4E has a network interface built by Telink Micro LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C4:22:4E

Organization

Telink Micro LLC

Address

2975 Scott Blvd #120 Santa Clara CA US 95054

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.