Who owns MAC prefix 002440?

002440 is registered to Halo Monitoring, Inc. in the IEEE MA-L registry.

What devices use 002440?

Any network device with a MAC address starting 00:24:40 was manufactured by or for Halo Monitoring, Inc..

MA-L · OUI prefix

Halo Monitoring, Inc.

Any MAC address starting 00:24:40 is registered to Halo Monitoring, Inc. in US.

OUI prefix	002440
Vendor	Halo Monitoring, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:24:40:00:00:00

What this means

The IEEE assigned the MA-L block 002440 to Halo Monitoring, 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 00:24:40, it is Halo Monitoring, Inc. hardware.

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