Who owns MAC prefix 000189?

000189 is registered to Refraction Technology, Inc. in the IEEE MA-L registry.

What devices use 000189?

Any network device with a MAC address starting 00:01:89 was manufactured by or for Refraction Technology, Inc..

MA-L · OUI prefix

Refraction Technology, Inc.

Any MAC address starting 00:01:89 is registered to Refraction Technology, Inc. in US.

OUI prefix	000189
Vendor	Refraction Technology, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:01:89:00:00:00

What this means

The IEEE assigned the MA-L block 000189 to Refraction Technology, 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 00:01:89, it is Refraction Technology, Inc. hardware.

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