What this means
The IEEE assigned the MA-L block 44619C to FONsystem co. 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 44:61:9C, it is FONsystem co. ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 44619C?
44619C is registered to FONsystem co. 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. FONsystem co. ltd.'s block covers 16,777,216 addresses.
What devices use 44619C?
Any network device with a MAC address starting 44:61:9C was manufactured by or for FONsystem co. ltd..