What this means
The IEEE assigned the MA-L block 00505B to KAWASAKI LSI U.S.A., 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 00:50:5B, it is KAWASAKI LSI U.S.A., INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 00505B?
00505B is registered to KAWASAKI LSI U.S.A., 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. KAWASAKI LSI U.S.A., INC.'s block covers 16,777,216 addresses.
What devices use 00505B?
Any network device with a MAC address starting 00:50:5B was manufactured by or for KAWASAKI LSI U.S.A., INC..