What this means
The IEEE assigned the MA-L block 0090DF to MITSUBISHI CHEMICAL AMERICA, 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 00:90:DF, it is MITSUBISHI CHEMICAL AMERICA, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 0090DF?
0090DF is registered to MITSUBISHI CHEMICAL AMERICA, 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. MITSUBISHI CHEMICAL AMERICA, INC.'s block covers 16,777,216 addresses.
What devices use 0090DF?
Any network device with a MAC address starting 00:90:DF was manufactured by or for MITSUBISHI CHEMICAL AMERICA, INC..