Who owns MAC prefix 90A9F74?

90A9F74 is registered to LAB-EL ELEKTRONIKA LABORATORYJNA in the IEEE MA-M registry.

What devices use 90A9F74?

Any network device with a MAC address starting 90:A9:F7:4 was manufactured by or for LAB-EL ELEKTRONIKA LABORATORYJNA.

MA-M · OUI prefix

LAB-EL ELEKTRONIKA LABORATORYJNA

Any MAC address starting 90:A9:F7:4 is registered to LAB-EL ELEKTRONIKA LABORATORYJNA in PL.

OUI prefix	90A9F74
Vendor	LAB-EL ELEKTRONIKA LABORATORYJNA
Registry	MA-M (28-bit, medium block)
Country	PL
Example MAC	90:A9:F7:4:00:00:00

What this means

The IEEE assigned the MA-M block 90A9F74 to LAB-EL ELEKTRONIKA LABORATORYJNA. 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 90:A9:F7:4, it is LAB-EL ELEKTRONIKA LABORATORYJNA hardware.

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