Who owns MAC prefix 0019A0?

0019A0 is registered to NIHON DATA SYSTENS, INC. in the IEEE MA-L registry.

What devices use 0019A0?

Any network device with a MAC address starting 00:19:A0 was manufactured by or for NIHON DATA SYSTENS, INC..

MA-L · OUI prefix

NIHON DATA SYSTENS, INC.

Any MAC address starting 00:19:A0 is registered to NIHON DATA SYSTENS, INC. in JP.

OUI prefix	0019A0
Vendor	NIHON DATA SYSTENS, INC.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:19:A0:00:00:00

What this means

The IEEE assigned the MA-L block 0019A0 to NIHON DATA SYSTENS, INC.. 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 00:19:A0, it is NIHON DATA SYSTENS, INC. hardware.

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