What this means
The IEEE assigned the MA-L block 745F00 to Samsung Semiconductor 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 74:5F:00, it is Samsung Semiconductor Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 745F00?
745F00 is registered to Samsung Semiconductor 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. Samsung Semiconductor Inc.'s block covers 16,777,216 addresses.
What devices use 745F00?
Any network device with a MAC address starting 74:5F:00 was manufactured by or for Samsung Semiconductor Inc..