Who owns MAC prefix 04D783?

04D783 is registered to Y&H E&C Co.,LTD. in the IEEE MA-L registry.

What devices use 04D783?

Any network device with a MAC address starting 04:D7:83 was manufactured by or for Y&H E&C Co.,LTD..

MA-L · OUI prefix

Y&H E&C Co.,LTD.

Any MAC address starting 04:D7:83 is registered to Y&H E&C Co.,LTD. in KR.

OUI prefix	04D783
Vendor	Y&H E&C Co.,LTD.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	04:D7:83:00:00:00

What this means

The IEEE assigned the MA-L block 04D783 to Y&H E&C 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 04:D7:83, it is Y&H E&C Co.,LTD. hardware.

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