Who owns MAC prefix 001904?

001904 is registered to WB Electronics Sp. z o.o. in the IEEE MA-L registry.

What devices use 001904?

Any network device with a MAC address starting 00:19:04 was manufactured by or for WB Electronics Sp. z o.o..

MA-L · OUI prefix

WB Electronics Sp. z o.o.

Any MAC address starting 00:19:04 is registered to WB Electronics Sp. z o.o. in PL.

OUI prefix	001904
Vendor	WB Electronics Sp. z o.o.
Registry	MA-L (24-bit, large block)
Country	PL
Example MAC	00:19:04:00:00:00

What this means

The IEEE assigned the MA-L block 001904 to WB Electronics Sp. z o.o.. 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 00:19:04, it is WB Electronics Sp. z o.o. hardware.

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