Who owns MAC prefix DC9F1F?

DC9F1F is registered to Aseko, spol. s r.o. in the IEEE MA-L registry.

What devices use DC9F1F?

Any network device with a MAC address starting DC:9F:1F was manufactured by or for Aseko, spol. s r.o..

MA-L · OUI prefix

Aseko, spol. s r.o.

Any MAC address starting DC:9F:1F is registered to Aseko, spol. s r.o. in CZ.

OUI prefix	DC9F1F
Vendor	Aseko, spol. s r.o.
Registry	MA-L (24-bit, large block)
Country	CZ
Example MAC	DC:9F:1F:00:00:00

What this means

The IEEE assigned the MA-L block DC9F1F to Aseko, 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:9F:1F, it is Aseko, spol. s r.o. hardware.

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