Red Sun Synthesis Pte Ltd

Any device whose MAC address begins with 7C:4B:78 has a network interface built by Red Sun Synthesis Pte 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:4B:78

Organization

Red Sun Synthesis Pte Ltd

Address

639, #11-544 SG 510539

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.