What devices use 70B3D56C3?

Any network device with a MAC address starting 70:B3:D5:6C:3 was manufactured by or for BEIJING ZGH SECURITY RESEARCH INSTITUTE CO., LTD.

MA-S · OUI prefix

BEIJING ZGH SECURITY RESEARCH INSTITUTE CO., LTD

Q: Who owns MAC prefix 70B3D56C3?

70B3D56C3 is registered to BEIJING ZGH SECURITY RESEARCH INSTITUTE CO., LTD in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:6C:3 is registered to BEIJING ZGH SECURITY RESEARCH INSTITUTE CO., LTD in CN.

OUI prefix	70B3D56C3
Vendor	BEIJING ZGH SECURITY RESEARCH INSTITUTE CO., LTD
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	70:B3:D5:6C:3:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D56C3 to BEIJING ZGH SECURITY RESEARCH INSTITUTE 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:D5:6C:3, it is BEIJING ZGH SECURITY RESEARCH INSTITUTE CO., LTD hardware.

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