What devices use 3043D78?

Any network device with a MAC address starting 30:43:D7:8 was manufactured by or for Kesu (Shanghai) Electronic Technology Co., Ltd.

MA-M · OUI prefix

Kesu (Shanghai) Electronic Technology Co., Ltd

Q: Who owns MAC prefix 3043D78?

3043D78 is registered to Kesu (Shanghai) Electronic Technology Co., Ltd in the IEEE MA-M registry.

Any MAC address starting 30:43:D7:8 is registered to Kesu (Shanghai) Electronic Technology Co., Ltd in CN.

OUI prefix	3043D78
Vendor	Kesu (Shanghai) Electronic Technology Co., Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	30:43:D7:8:00:00:00

What this means

The IEEE assigned the MA-M block 3043D78 to Kesu (Shanghai) Electronic 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 30:43:D7:8, it is Kesu (Shanghai) Electronic Technology Co., Ltd hardware.

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