What this means
The IEEE assigned the MA-L block 000E66 to Hitachi Industry & Control Solutions, 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 00:0E:66, it is Hitachi Industry & Control Solutions, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 000E66?
000E66 is registered to Hitachi Industry & Control Solutions, 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. Hitachi Industry & Control Solutions, Ltd.'s block covers 16,777,216 addresses.
What devices use 000E66?
Any network device with a MAC address starting 00:0E:66 was manufactured by or for Hitachi Industry & Control Solutions, Ltd..