IsaacLandKorea Co., Ltd,

Any device whose MAC address begins with 00:1B:64 has a network interface built by IsaacLandKorea Co., 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

00:1B:64

Organization

IsaacLandKorea Co., Ltd,

Address

Rm 608, Hangang-Hyundai-Hyel Bldg. 2-36, Seoul KR 140-871

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.