What this means
The IEEE assigned the MA-L block 74373B to UNINET Co.,Ltd.. 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 74:37:3B, it is UNINET Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 74373B?
74373B is registered to UNINET Co.,Ltd. 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. UNINET Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 74373B?
Any network device with a MAC address starting 74:37:3B was manufactured by or for UNINET Co.,Ltd..