Who owns MAC prefix 20B83D?

20B83D is registered to UNIONMAN TECHNOLOGY CO.,LTD in the IEEE MA-L registry.

What devices use 20B83D?

Any network device with a MAC address starting 20:B8:3D was manufactured by or for UNIONMAN TECHNOLOGY CO.,LTD.

MA-L · OUI prefix

UNIONMAN TECHNOLOGY CO.,LTD

Any MAC address starting 20:B8:3D is registered to UNIONMAN TECHNOLOGY CO.,LTD in CN.

OUI prefix	20B83D
Vendor	UNIONMAN TECHNOLOGY CO.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	20:B8:3D:00:00:00

What this means

The IEEE assigned the MA-L block 20B83D to UNIONMAN 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 20:B8:3D, it is UNIONMAN TECHNOLOGY CO.,LTD hardware.

Other UNIONMAN TECHNOLOGY CO.,LTD prefixes

UNIONMAN TECHNOLOGY CO.,LTD holds 12 registered blocks in total.

089C74 184F43 3C49FF 3C5765 4C7B35 4CD2FB 841A24 8C1ECF A0FDD9 E8122D F02178

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