What this means
The IEEE assigned the MA-L block 4448B9 to MitraStar Technology Corp.. 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 44:48:B9, it is MitraStar Technology Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 4448B9?
4448B9 is registered to MitraStar Technology Corp. 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. MitraStar Technology Corp.'s block covers 16,777,216 addresses.
What devices use 4448B9?
Any network device with a MAC address starting 44:48:B9 was manufactured by or for MitraStar Technology Corp..