What this means
The IEEE assigned the MA-L block 009028 to NIPPON SIGNAL CO., LTD.. 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 00:90:28, it is NIPPON SIGNAL CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 009028?
009028 is registered to NIPPON SIGNAL CO., LTD. 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. NIPPON SIGNAL CO., LTD.'s block covers 16,777,216 addresses.
What devices use 009028?
Any network device with a MAC address starting 00:90:28 was manufactured by or for NIPPON SIGNAL CO., LTD..