Who owns MAC prefix 0004D3?

0004D3 is registered to Toyokeiki Co., Ltd. in the IEEE MA-L registry.

What devices use 0004D3?

Any network device with a MAC address starting 00:04:D3 was manufactured by or for Toyokeiki Co., Ltd..

MA-L · OUI prefix

Toyokeiki Co., Ltd.

Any MAC address starting 00:04:D3 is registered to Toyokeiki Co., Ltd. in JP.

OUI prefix	0004D3
Vendor	Toyokeiki Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:04:D3:00:00:00

What this means

The IEEE assigned the MA-L block 0004D3 to Toyokeiki 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 00:04:D3, it is Toyokeiki Co., Ltd. hardware.

Other Toyokeiki Co., Ltd. prefixes

Toyokeiki Co., Ltd. holds 2 registered blocks in total.

000927

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