Who owns MAC prefix 30525A?

30525A is registered to NST Co., LTD in the IEEE MA-L registry.

What devices use 30525A?

Any network device with a MAC address starting 30:52:5A was manufactured by or for NST Co., LTD.

MA-L · OUI prefix

NST Co., LTD

Any MAC address starting 30:52:5A is registered to NST Co., LTD in KR.

OUI prefix	30525A
Vendor	NST Co., LTD
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	30:52:5A:00:00:00

What this means

The IEEE assigned the MA-L block 30525A to NST 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 30:52:5A, it is NST Co., LTD hardware.

Other NST Co., LTD prefixes

NST Co., LTD holds 2 registered blocks in total.

000FC4

Look up another MAC