What this means
The IEEE assigned the MA-L block 000404 to Makino Milling Machine 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 00:04:04, it is Makino Milling Machine Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 000404?
000404 is registered to Makino Milling Machine 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. Makino Milling Machine Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 000404?
Any network device with a MAC address starting 00:04:04 was manufactured by or for Makino Milling Machine Co., Ltd..