What this means
The IEEE assigned the MA-M block 88A9A7B to TWK-ELEKTRONIK. 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 88:A9:A7:B, it is TWK-ELEKTRONIK hardware.
Frequently Asked Questions
Who owns MAC prefix 88A9A7B?
88A9A7B is registered to TWK-ELEKTRONIK 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. TWK-ELEKTRONIK's block covers 1,048,576 addresses.
What devices use 88A9A7B?
Any network device with a MAC address starting 88:A9:A7:B was manufactured by or for TWK-ELEKTRONIK.