Who owns MAC prefix 4833DD?

4833DD is registered to ZENNIO AVANCE Y TECNOLOGIA, S.L. in the IEEE MA-L registry.

What devices use 4833DD?

Any network device with a MAC address starting 48:33:DD was manufactured by or for ZENNIO AVANCE Y TECNOLOGIA, S.L..

MA-L · OUI prefix

ZENNIO AVANCE Y TECNOLOGIA, S.L.

Any MAC address starting 48:33:DD is registered to ZENNIO AVANCE Y TECNOLOGIA, S.L. in ES.

OUI prefix	4833DD
Vendor	ZENNIO AVANCE Y TECNOLOGIA, S.L.
Registry	MA-L (24-bit, large block)
Country	ES
Example MAC	48:33:DD:00:00:00

What this means

The IEEE assigned the MA-L block 4833DD to ZENNIO AVANCE Y TECNOLOGIA, S.L.. 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 48:33:DD, it is ZENNIO AVANCE Y TECNOLOGIA, S.L. hardware.

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