What this means

The IEEE assigned the MA-L block 00237B to WHDI LLC. 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 00:23:7B, it is WHDI LLC hardware.

Frequently Asked Questions

Who owns MAC prefix 00237B?

00237B is registered to WHDI LLC in the IEEE MA-L registry.

What does the MA-L registry type mean?

An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. WHDI LLC's block covers 16,777,216 addresses.

What devices use 00237B?

Any network device with a MAC address starting 00:23:7B was manufactured by or for WHDI LLC.