Who owns MAC prefix 502F54?

502F54 is registered to CIG SHANGHAI CO LTD in the IEEE MA-L registry.

What devices use 502F54?

Any network device with a MAC address starting 50:2F:54 was manufactured by or for CIG SHANGHAI CO LTD.

MA-L · OUI prefix

CIG SHANGHAI CO LTD

Any MAC address starting 50:2F:54 is registered to CIG SHANGHAI CO LTD in CN.

OUI prefix	502F54
Vendor	CIG SHANGHAI CO LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	50:2F:54:00:00:00

What this means

The IEEE assigned the MA-L block 502F54 to CIG SHANGHAI 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 50:2F:54, it is CIG SHANGHAI CO LTD hardware.

Other CIG SHANGHAI CO LTD prefixes

CIG SHANGHAI CO LTD holds 25 registered blocks in total.

00C896 04B6BE 04D688 0C8247 181454 30600A 34B5A3 540463 605747 3426E6 5C18DD 7C9F07 all 25 »

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