What this means

The IEEE assigned the MA-L block F44227 to S & S Research Inc.. 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 F4:42:27, it is S & S Research Inc. hardware.

Frequently Asked Questions

Who owns MAC prefix F44227?

F44227 is registered to S & S Research Inc. 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. S & S Research Inc.'s block covers 16,777,216 addresses.

What devices use F44227?

Any network device with a MAC address starting F4:42:27 was manufactured by or for S & S Research Inc..