Who owns MAC prefix 0019DA?

0019DA is registered to Welltrans O&E Technology Co. , Ltd. in the IEEE MA-L registry.

What devices use 0019DA?

Any network device with a MAC address starting 00:19:DA was manufactured by or for Welltrans O&E Technology Co. , Ltd..

MA-L · OUI prefix

Welltrans O&E Technology Co. , Ltd.

Any MAC address starting 00:19:DA is registered to Welltrans O&E Technology Co. , Ltd. in CN.

OUI prefix	0019DA
Vendor	Welltrans O&E Technology Co. , Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	00:19:DA:00:00:00

What this means

The IEEE assigned the MA-L block 0019DA to Welltrans O&E Technology 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 00:19:DA, it is Welltrans O&E Technology Co. , Ltd. hardware.

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