Who owns MAC prefix 4403779?

4403779 is registered to SHENZHEN UT-KING TECHNOLOGY CO.,LTD in the IEEE MA-M registry.

What devices use 4403779?

Any network device with a MAC address starting 44:03:77:9 was manufactured by or for SHENZHEN UT-KING TECHNOLOGY CO.,LTD.

MA-M · OUI prefix

SHENZHEN UT-KING TECHNOLOGY CO.,LTD

Any MAC address starting 44:03:77:9 is registered to SHENZHEN UT-KING TECHNOLOGY CO.,LTD in CN.

OUI prefix	4403779
Vendor	SHENZHEN UT-KING TECHNOLOGY CO.,LTD
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	44:03:77:9:00:00:00

What this means

The IEEE assigned the MA-M block 4403779 to SHENZHEN UT-KING 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 44:03:77:9, it is SHENZHEN UT-KING TECHNOLOGY CO.,LTD hardware.

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