Who owns MAC prefix 0021E5?

0021E5 is registered to Display Solution AG in the IEEE MA-L registry.

What devices use 0021E5?

Any network device with a MAC address starting 00:21:E5 was manufactured by or for Display Solution AG.

MA-L · OUI prefix

Display Solution AG

Any MAC address starting 00:21:E5 is registered to Display Solution AG in DE.

OUI prefix	0021E5
Vendor	Display Solution AG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:21:E5:00:00:00

What this means

The IEEE assigned the MA-L block 0021E5 to Display Solution AG. 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 00:21:E5, it is Display Solution AG hardware.

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