Who owns MAC prefix 0090E9?

0090E9 is registered to JANZ COMPUTER AG in the IEEE MA-L registry.

What devices use 0090E9?

Any network device with a MAC address starting 00:90:E9 was manufactured by or for JANZ COMPUTER AG.

MA-L · OUI prefix

JANZ COMPUTER AG

Any MAC address starting 00:90:E9 is registered to JANZ COMPUTER AG in DE.

OUI prefix	0090E9
Vendor	JANZ COMPUTER AG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:90:E9:00:00:00

What this means

The IEEE assigned the MA-L block 0090E9 to JANZ COMPUTER 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 00:90:E9, it is JANZ COMPUTER AG hardware.

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