Who owns MAC prefix 303D08?

303D08 is registered to GLINTT TES S.A. in the IEEE MA-L registry.

What devices use 303D08?

Any network device with a MAC address starting 30:3D:08 was manufactured by or for GLINTT TES S.A..

MA-L · OUI prefix

GLINTT TES S.A.

Any MAC address starting 30:3D:08 is registered to GLINTT TES S.A. in PT.

OUI prefix	303D08
Vendor	GLINTT TES S.A.
Registry	MA-L (24-bit, large block)
Country	PT
Example MAC	30:3D:08:00:00:00

What this means

The IEEE assigned the MA-L block 303D08 to GLINTT TES S.A.. 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 30:3D:08, it is GLINTT TES S.A. hardware.

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