What this means
The IEEE assigned the MA-L block 38FF13 to Joint Stock Company "Research Instinite "Masshtab". 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 38:FF:13, it is Joint Stock Company "Research Instinite "Masshtab" hardware.
Frequently Asked Questions
Who owns MAC prefix 38FF13?
38FF13 is registered to Joint Stock Company "Research Instinite "Masshtab" 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. Joint Stock Company "Research Instinite "Masshtab"'s block covers 16,777,216 addresses.
What devices use 38FF13?
Any network device with a MAC address starting 38:FF:13 was manufactured by or for Joint Stock Company "Research Instinite "Masshtab".