What this means
The IEEE assigned the MA-L block 009059 to TELECOM DEVICE K.K.. 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 00:90:59, it is TELECOM DEVICE K.K. hardware.
Frequently Asked Questions
Who owns MAC prefix 009059?
009059 is registered to TELECOM DEVICE K.K. 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. TELECOM DEVICE K.K.'s block covers 16,777,216 addresses.
What devices use 009059?
Any network device with a MAC address starting 00:90:59 was manufactured by or for TELECOM DEVICE K.K..