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.
Frequently Asked Questions
Who owns MAC prefix 284846?
284846 is registered to GridCentric 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. GridCentric Inc.'s block covers 16,777,216 addresses.
What devices use 284846?
Any network device with a MAC address starting 28:48:46 was manufactured by or for GridCentric Inc..