What this means
The IEEE assigned the MA-L block 449B78 to The Now Factory. 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 44:9B:78, it is The Now Factory hardware.
Frequently Asked Questions
Who owns MAC prefix 449B78?
449B78 is registered to The Now Factory 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. The Now Factory's block covers 16,777,216 addresses.
What devices use 449B78?
Any network device with a MAC address starting 44:9B:78 was manufactured by or for The Now Factory.