3isysnetworks

Any device whose MAC address begins with CC:F5:38 has a network interface built by 3isysnetworks. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

CC:F5:38

Organization

3isysnetworks

Address

11F-2 No1247 , Jung Jeng RD , Taipei Taiwan TW 0000

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.