What this means
The IEEE assigned the MA-L block 00B7A8 to Heinzinger electronic GmbH. 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:B7:A8, it is Heinzinger electronic GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 00B7A8?
00B7A8 is registered to Heinzinger electronic GmbH 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. Heinzinger electronic GmbH's block covers 16,777,216 addresses.
What devices use 00B7A8?
Any network device with a MAC address starting 00:B7:A8 was manufactured by or for Heinzinger electronic GmbH.