What this means

The IEEE assigned the MA-L block 0023FC to Ultra Stereo Labs, 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 00:23:FC, it is Ultra Stereo Labs, Inc hardware.

Frequently Asked Questions

Who owns MAC prefix 0023FC?

0023FC is registered to Ultra Stereo Labs, Inc 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. Ultra Stereo Labs, Inc's block covers 16,777,216 addresses.

What devices use 0023FC?

Any network device with a MAC address starting 00:23:FC was manufactured by or for Ultra Stereo Labs, Inc.