Who owns MAC prefix 0023D5?

0023D5 is registered to WAREMA Renkhoff SE in the IEEE MA-L registry.

What devices use 0023D5?

Any network device with a MAC address starting 00:23:D5 was manufactured by or for WAREMA Renkhoff SE.

MA-L · OUI prefix

WAREMA Renkhoff SE

Any MAC address starting 00:23:D5 is registered to WAREMA Renkhoff SE in DE.

OUI prefix	0023D5
Vendor	WAREMA Renkhoff SE
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:23:D5:00:00:00

What this means

The IEEE assigned the MA-L block 0023D5 to WAREMA Renkhoff SE. 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 00:23:D5, it is WAREMA Renkhoff SE hardware.

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