What this means
The IEEE assigned the MA-M block A019B26 to GfG mbH. 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 A0:19:B2:6, it is GfG mbH hardware.
Frequently Asked Questions
Who owns MAC prefix A019B26?
A019B26 is registered to GfG mbH in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. GfG mbH's block covers 1,048,576 addresses.
What devices use A019B26?
Any network device with a MAC address starting A0:19:B2:6 was manufactured by or for GfG mbH.