Who owns MAC prefix F4E142?

F4E142 is registered to Delta Elektronika BV in the IEEE MA-L registry.

What devices use F4E142?

Any network device with a MAC address starting F4:E1:42 was manufactured by or for Delta Elektronika BV.

MA-L · OUI prefix

Delta Elektronika BV

Any MAC address starting F4:E1:42 is registered to Delta Elektronika BV in ND.

OUI prefix	F4E142
Vendor	Delta Elektronika BV
Registry	MA-L (24-bit, large block)
Country	ND
Example MAC	F4:E1:42:00:00:00

What this means

The IEEE assigned the MA-L block F4E142 to Delta Elektronika BV. 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 F4:E1:42, it is Delta Elektronika BV hardware.

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