Cool Control LTD

Any device whose MAC address begins with 28:3B:96 has a network interface built by Cool Control 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

28:3B:96

Organization

Cool Control LTD

Address

Mivtahim 2 Petah Tikva Israel IL 4951774

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.