Elentec

Any device whose MAC address begins with 64:99:68 has a network interface built by Elentec. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

64:99:68

Organization

Elentec

Address

401-13 Chunggye-Ri Dongtan-Myun Kyunggi KR 445-811

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.