Who owns MAC prefix 78B3B9?

78B3B9 is registered to ShangHai sunup lighting CO.,LTD in the IEEE MA-L registry.

What devices use 78B3B9?

Any network device with a MAC address starting 78:B3:B9 was manufactured by or for ShangHai sunup lighting CO.,LTD.

MA-L · OUI prefix

ShangHai sunup lighting CO.,LTD

Any MAC address starting 78:B3:B9 is registered to ShangHai sunup lighting CO.,LTD in CN.

OUI prefix	78B3B9
Vendor	ShangHai sunup lighting CO.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	78:B3:B9:00:00:00

What this means

The IEEE assigned the MA-L block 78B3B9 to ShangHai sunup lighting 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 78:B3:B9, it is ShangHai sunup lighting CO.,LTD hardware.

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