Who owns MAC prefix 00114D?

00114D is registered to Atsumi Electric Co.,LTD. in the IEEE MA-L registry.

What devices use 00114D?

Any network device with a MAC address starting 00:11:4D was manufactured by or for Atsumi Electric Co.,LTD..

MA-L · OUI prefix

Atsumi Electric Co.,LTD.

Any MAC address starting 00:11:4D is registered to Atsumi Electric Co.,LTD. in JP.

OUI prefix	00114D
Vendor	Atsumi Electric Co.,LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:11:4D:00:00:00

What this means

The IEEE assigned the MA-L block 00114D to Atsumi Electric Co.,LTD.. 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 00:11:4D, it is Atsumi Electric Co.,LTD. hardware.

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