What this means
The IEEE assigned the MA-L block B48255 to Research Products 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 B4:82:55, it is Research Products Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix B48255?
B48255 is registered to Research Products 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. Research Products Corporation's block covers 16,777,216 addresses.
What devices use B48255?
Any network device with a MAC address starting B4:82:55 was manufactured by or for Research Products Corporation.