What this means
The IEEE assigned the MA-L block 0090D6 to Crystal Group, 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 00:90:D6, it is Crystal Group, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0090D6?
0090D6 is registered to Crystal Group, 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. Crystal Group, Inc.'s block covers 16,777,216 addresses.
What devices use 0090D6?
Any network device with a MAC address starting 00:90:D6 was manufactured by or for Crystal Group, Inc..