Cantronic International Limited

Any device whose MAC address begins with 00:1E:EF has a network interface built by Cantronic International Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1E:EF

Organization

Cantronic International Limited

Address

Unit 515-516, Building 15, East Wing, No 8 Science Park West Avenue, Hong Kong Science Park Phase II Shatin New Territories HK 852

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.