Who owns MAC prefix 0091D6?

0091D6 is registered to Crystal Group, Inc. in the IEEE MA-L registry.

What devices use 0091D6?

Any network device with a MAC address starting 00:91:D6 was manufactured by or for Crystal Group, Inc..

MA-L · OUI prefix

Crystal Group, Inc.

Any MAC address starting 00:91:D6 is registered to Crystal Group, Inc. in US.

OUI prefix	0091D6
Vendor	Crystal Group, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:91:D6:00:00:00

What this means

The IEEE assigned the MA-L block 0091D6 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 00:91:D6, it is Crystal Group, Inc. hardware.

Other Crystal Group, Inc. prefixes

Crystal Group, Inc. holds 2 registered blocks in total.

0090D6

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