Who owns MAC prefix AC4B1E?

AC4B1E is registered to Integri-Sys.Com LLC in the IEEE MA-L registry.

What devices use AC4B1E?

Any network device with a MAC address starting AC:4B:1E was manufactured by or for Integri-Sys.Com LLC.

MA-L · OUI prefix

Integri-Sys.Com LLC

Any MAC address starting AC:4B:1E is registered to Integri-Sys.Com LLC in US.

OUI prefix	AC4B1E
Vendor	Integri-Sys.Com LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	AC:4B:1E:00:00:00

What this means

The IEEE assigned the MA-L block AC4B1E to Integri-Sys.Com LLC. 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 AC:4B:1E, it is Integri-Sys.Com LLC hardware.

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