Who owns MAC prefix 70B3D5CF0?

70B3D5CF0 is registered to SHENZHEN WITLINK CO.,LTD. in the IEEE MA-S registry.

What devices use 70B3D5CF0?

Any network device with a MAC address starting 70:B3:D5:CF:0 was manufactured by or for SHENZHEN WITLINK CO.,LTD..

MA-S · OUI prefix

SHENZHEN WITLINK CO.,LTD.

Any MAC address starting 70:B3:D5:CF:0 is registered to SHENZHEN WITLINK CO.,LTD. in CN.

OUI prefix	70B3D5CF0
Vendor	SHENZHEN WITLINK CO.,LTD.
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	70:B3:D5:CF:0:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5CF0 to SHENZHEN WITLINK 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:CF:0, it is SHENZHEN WITLINK CO.,LTD. hardware.

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