Who owns MAC prefix 0004E9?

0004E9 is registered to Infiniswitch Corporation in the IEEE MA-L registry.

What devices use 0004E9?

Any network device with a MAC address starting 00:04:E9 was manufactured by or for Infiniswitch Corporation.

MA-L · OUI prefix

Infiniswitch Corporation

Any MAC address starting 00:04:E9 is registered to Infiniswitch Corporation in US.

OUI prefix	0004E9
Vendor	Infiniswitch Corporation
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:04:E9:00:00:00

What this means

The IEEE assigned the MA-L block 0004E9 to Infiniswitch Corporation. 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 00:04:E9, it is Infiniswitch Corporation hardware.

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