I DO IT

Any device whose MAC address begins with 00:26:90 has a network interface built by I DO IT. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:26:90

Organization

I DO IT

Address

1308, WoolimLions2nd Doksan Station Seoul KR 153-787

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.