What this means
The IEEE assigned the MA-L block 54D1B0 to Universal Laser Systems, 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 54:D1:B0, it is Universal Laser Systems, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 54D1B0?
54D1B0 is registered to Universal Laser Systems, 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. Universal Laser Systems, Inc's block covers 16,777,216 addresses.
What devices use 54D1B0?
Any network device with a MAC address starting 54:D1:B0 was manufactured by or for Universal Laser Systems, Inc.