What this means
The IEEE assigned the MA-L block 746630 to T:mi Ytti. 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 74:66:30, it is T:mi Ytti hardware.
Frequently Asked Questions
Who owns MAC prefix 746630?
746630 is registered to T:mi Ytti 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. T:mi Ytti's block covers 16,777,216 addresses.
What devices use 746630?
Any network device with a MAC address starting 74:66:30 was manufactured by or for T:mi Ytti.