Who owns MAC prefix 284846?

284846 is registered to GridCentric Inc. in the IEEE MA-L registry.

What devices use 284846?

Any network device with a MAC address starting 28:48:46 was manufactured by or for GridCentric Inc..

MA-L · OUI prefix

GridCentric Inc.

Any MAC address starting 28:48:46 is registered to GridCentric Inc..

OUI prefix	284846
Vendor	GridCentric Inc.
Registry	MA-L (24-bit, large block)
Example MAC	28:48:46:00:00:00

What this means

The IEEE assigned the MA-L block 284846 to GridCentric 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 28:48:46, it is GridCentric Inc. hardware.

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