What this means
The IEEE assigned the MA-L block 78A4BA to Marquardt India Pvt 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 78:A4:BA, it is Marquardt India Pvt Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 78A4BA?
78A4BA is registered to Marquardt India Pvt 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. Marquardt India Pvt Ltd's block covers 16,777,216 addresses.
What devices use 78A4BA?
Any network device with a MAC address starting 78:A4:BA was manufactured by or for Marquardt India Pvt Ltd.