Tsubata Engineering Co.,Ltd. (Head Office)

Any device whose MAC address begins with 00:1B:36 has a network interface built by Tsubata Engineering Co.,Ltd. (Head Office). 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:36

Organization

Tsubata Engineering Co.,Ltd. (Head Office)

Address

Koyanagi 1-2 Ibaraki Osaka JP 567-0852

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.