Who owns MAC prefix 70B3D5409?

70B3D5409 is registered to Beijing Yutian Technology Co., Ltd. in the IEEE MA-S registry.

What devices use 70B3D5409?

Any network device with a MAC address starting 70:B3:D5:40:9 was manufactured by or for Beijing Yutian Technology Co., Ltd..

MA-S · OUI prefix

Beijing Yutian Technology Co., Ltd.

Any MAC address starting 70:B3:D5:40:9 is registered to Beijing Yutian Technology Co., Ltd. in CN.

OUI prefix	70B3D5409
Vendor	Beijing Yutian Technology Co., Ltd.
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	70:B3:D5:40:9:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5409 to Beijing Yutian 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 70:B3:D5:40:9, it is Beijing Yutian Technology Co., Ltd. hardware.

Look up another MAC