Who owns MAC prefix 001D7A?

001D7A is registered to Wideband Semiconductor, Inc. in the IEEE MA-L registry.

What devices use 001D7A?

Any network device with a MAC address starting 00:1D:7A was manufactured by or for Wideband Semiconductor, Inc..

MA-L · OUI prefix

Wideband Semiconductor, Inc.

Any MAC address starting 00:1D:7A is registered to Wideband Semiconductor, Inc. in US.

OUI prefix	001D7A
Vendor	Wideband Semiconductor, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1D:7A:00:00:00

What this means

The IEEE assigned the MA-L block 001D7A to Wideband Semiconductor, Inc.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:1D:7A, it is Wideband Semiconductor, Inc. hardware.

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