Who owns MAC prefix 80D336?

80D336 is registered to CERN in the IEEE MA-L registry.

What devices use 80D336?

Any network device with a MAC address starting 80:D3:36 was manufactured by or for CERN.

MA-L · OUI prefix

CERN

Any MAC address starting 80:D3:36 is registered to CERN in CH.

OUI prefix	80D336
Vendor	CERN
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	80:D3:36:00:00:00

What this means

The IEEE assigned the MA-L block 80D336 to CERN. 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 80:D3:36, it is CERN hardware.

Other CERN prefixes

CERN holds 2 registered blocks in total.

080030

Look up another MAC