Who owns MAC prefix DC1DD4?

DC1DD4 is registered to Microstep-MIS spol. s r.o. in the IEEE MA-L registry.

What devices use DC1DD4?

Any network device with a MAC address starting DC:1D:D4 was manufactured by or for Microstep-MIS spol. s r.o..

MA-L · OUI prefix

Microstep-MIS spol. s r.o.

Any MAC address starting DC:1D:D4 is registered to Microstep-MIS spol. s r.o. in SK.

OUI prefix	DC1DD4
Vendor	Microstep-MIS spol. s r.o.
Registry	MA-L (24-bit, large block)
Country	SK
Example MAC	DC:1D:D4:00:00:00

What this means

The IEEE assigned the MA-L block DC1DD4 to Microstep-MIS spol. s r.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 DC:1D:D4, it is Microstep-MIS spol. s r.o. hardware.

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