Who owns MAC prefix 147DB3?

147DB3 is registered to JOA TELECOM.CO.,LTD in the IEEE MA-L registry.

What devices use 147DB3?

Any network device with a MAC address starting 14:7D:B3 was manufactured by or for JOA TELECOM.CO.,LTD.

MA-L · OUI prefix

JOA TELECOM.CO.,LTD

Any MAC address starting 14:7D:B3 is registered to JOA TELECOM.CO.,LTD in KR.

OUI prefix	147DB3
Vendor	JOA TELECOM.CO.,LTD
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	14:7D:B3:00:00:00

What this means

The IEEE assigned the MA-L block 147DB3 to JOA TELECOM.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 14:7D:B3, it is JOA TELECOM.CO.,LTD hardware.

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