What this means
The IEEE assigned the MA-L block 34A7BA to Fischer International Systems Corporation. 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 34:A7:BA, it is Fischer International Systems Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 34A7BA?
34A7BA is registered to Fischer International Systems Corporation 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. Fischer International Systems Corporation's block covers 16,777,216 addresses.
What devices use 34A7BA?
Any network device with a MAC address starting 34:A7:BA was manufactured by or for Fischer International Systems Corporation.