Who owns MAC prefix B48255?

B48255 is registered to Research Products Corporation in the IEEE MA-L registry.

What devices use B48255?

Any network device with a MAC address starting B4:82:55 was manufactured by or for Research Products Corporation.

MA-L · OUI prefix

Research Products Corporation

Any MAC address starting B4:82:55 is registered to Research Products Corporation in US.

OUI prefix	B48255
Vendor	Research Products Corporation
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	B4:82:55:00:00:00

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.

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