Who owns MAC prefix 5019115?

5019115 is registered to Shenzhen COI Technology Co.,LTD in the IEEE MA-M registry.

What devices use 5019115?

Any network device with a MAC address starting 50:19:11:5 was manufactured by or for Shenzhen COI Technology Co.,LTD.

MA-M · OUI prefix

Shenzhen COI Technology Co.,LTD

Any MAC address starting 50:19:11:5 is registered to Shenzhen COI Technology Co.,LTD in CN.

OUI prefix	5019115
Vendor	Shenzhen COI Technology Co.,LTD
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	50:19:11:5:00:00:00

What this means

The IEEE assigned the MA-M block 5019115 to Shenzhen COI 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 50:19:11:5, it is Shenzhen COI Technology Co.,LTD hardware.

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