Who owns MAC prefix B06BB3?

B06BB3 is registered to GRT in the IEEE MA-L registry.

What devices use B06BB3?

Any network device with a MAC address starting B0:6B:B3 was manufactured by or for GRT.

MA-L · OUI prefix

GRT

Any MAC address starting B0:6B:B3 is registered to GRT in HK.

OUI prefix	B06BB3
Vendor	GRT
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	B0:6B:B3:00:00:00

What this means

The IEEE assigned the MA-L block B06BB3 to GRT. 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 B0:6B:B3, it is GRT hardware.

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