Ctek, Inc.

Any device whose MAC address begins with 24:86:F4 has a network interface built by Ctek, Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

24:86:F4

Organization

Ctek, Inc.

Address

34 Miraleste Plaza Rancho Palos Verdes California US 90275

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.