Who owns MAC prefix 900C0F?

900C0F is registered to Flume-io, Inc. in the IEEE MA-L registry.

What devices use 900C0F?

Any network device with a MAC address starting 90:0C:0F was manufactured by or for Flume-io, Inc..

MA-L · OUI prefix

Flume-io, Inc.

Any MAC address starting 90:0C:0F is registered to Flume-io, Inc. in US.

OUI prefix	900C0F
Vendor	Flume-io, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	90:0C:0F:00:00:00

What this means

The IEEE assigned the MA-L block 900C0F to Flume-io, 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 90:0C:0F, it is Flume-io, Inc. hardware.

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