Doah Elecom Inc.

Any device whose MAC address begins with 00:1A:3B has a network interface built by Doah Elecom Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1A:3B

Organization

Doah Elecom Inc.

Address

8th fl. Century Plaza, 277-40 Seoul KR 133-123

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.