Who owns MAC prefix 00038B?

00038B is registered to PLUS-ONE I&T, Inc. in the IEEE MA-L registry.

What devices use 00038B?

Any network device with a MAC address starting 00:03:8B was manufactured by or for PLUS-ONE I&T, Inc..

MA-L · OUI prefix

PLUS-ONE I&T, Inc.

Any MAC address starting 00:03:8B is registered to PLUS-ONE I&T, Inc. in KR.

OUI prefix	00038B
Vendor	PLUS-ONE I&T, Inc.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:03:8B:00:00:00

What this means

The IEEE assigned the MA-L block 00038B to PLUS-ONE I&T, Inc.. 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 00:03:8B, it is PLUS-ONE I&T, Inc. hardware.

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