RTNET

Any device whose MAC address begins with 5C:96:6A has a network interface built by RTNET. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

5C:96:6A

Organization

RTNET

Address

827-64, Yeoksam-dong, Kangnam-Gu Seoul - KR 135-080

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.