What this means
The IEEE assigned the MA-L block 00305C to SMAR Laboratories Corp.. 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 00:30:5C, it is SMAR Laboratories Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 00305C?
00305C is registered to SMAR Laboratories Corp. 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. SMAR Laboratories Corp.'s block covers 16,777,216 addresses.
What devices use 00305C?
Any network device with a MAC address starting 00:30:5C was manufactured by or for SMAR Laboratories Corp..