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.
Frequently Asked Questions
Who owns MAC prefix 90A9F74?
90A9F74 is registered to LAB-EL ELEKTRONIKA LABORATORYJNA in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. LAB-EL ELEKTRONIKA LABORATORYJNA's block covers 1,048,576 addresses.
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.