What this means
The IEEE assigned the MA-L block 547398 to Toyo Electronics Corporation. 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 54:73:98, it is Toyo Electronics Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 547398?
547398 is registered to Toyo Electronics Corporation 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. Toyo Electronics Corporation's block covers 16,777,216 addresses.
What devices use 547398?
Any network device with a MAC address starting 54:73:98 was manufactured by or for Toyo Electronics Corporation.