Who owns MAC prefix F81D783?

F81D783 is registered to SHANGHAI SUN TELECOMMUNICATION CO., LTD. in the IEEE MA-M registry.

What devices use F81D783?

Any network device with a MAC address starting F8:1D:78:3 was manufactured by or for SHANGHAI SUN TELECOMMUNICATION CO., LTD..

MA-M · OUI prefix

SHANGHAI SUN TELECOMMUNICATION CO., LTD.

Any MAC address starting F8:1D:78:3 is registered to SHANGHAI SUN TELECOMMUNICATION CO., LTD. in CN.

OUI prefix	F81D783
Vendor	SHANGHAI SUN TELECOMMUNICATION CO., LTD.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	F8:1D:78:3:00:00:00

What this means

The IEEE assigned the MA-M block F81D783 to SHANGHAI SUN TELECOMMUNICATION 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 F8:1D:78:3, it is SHANGHAI SUN TELECOMMUNICATION CO., LTD. hardware.

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