Wideband Semiconductor, Inc.

Any device whose MAC address begins with 00:1D:7A has a network interface built by Wideband Semiconductor, 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

00:1D:7A

Organization

Wideband Semiconductor, Inc.

Address

1350 Pear Ave Mountain View CA US 94043

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.