Intellithings Ltd.

Any device whose MAC address begins with 5C:63:C9 has a network interface built by Intellithings 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

5C:63:C9

Organization

Intellithings Ltd.

Address

Hanehoshet 10 Tel Aviv Israel IL 6971072

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.