Who owns MAC prefix 502B98?

502B98 is registered to Es-tech International in the IEEE MA-L registry.

What devices use 502B98?

Any network device with a MAC address starting 50:2B:98 was manufactured by or for Es-tech International.

MA-L · OUI prefix

Es-tech International

Any MAC address starting 50:2B:98 is registered to Es-tech International in KR.

OUI prefix	502B98
Vendor	Es-tech International
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	50:2B:98:00:00:00

What this means

The IEEE assigned the MA-L block 502B98 to Es-tech International. 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 50:2B:98, it is Es-tech International hardware.

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