What this means
The IEEE assigned the MA-L block 30B216 to Hitachi Energy Germany AG. 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 30:B2:16, it is Hitachi Energy Germany AG hardware.
Frequently Asked Questions
Who owns MAC prefix 30B216?
30B216 is registered to Hitachi Energy Germany AG 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 Energy Germany AG's block covers 16,777,216 addresses.
What devices use 30B216?
Any network device with a MAC address starting 30:B2:16 was manufactured by or for Hitachi Energy Germany AG.