Who owns MAC prefix 001EC4?

001EC4 is registered to Celio Corp in the IEEE MA-L registry.

What devices use 001EC4?

Any network device with a MAC address starting 00:1E:C4 was manufactured by or for Celio Corp.

MA-L · OUI prefix

Celio Corp

Any MAC address starting 00:1E:C4 is registered to Celio Corp in US.

OUI prefix	001EC4
Vendor	Celio Corp
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1E:C4:00:00:00

What this means

The IEEE assigned the MA-L block 001EC4 to Celio Corp. 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 00:1E:C4, it is Celio Corp hardware.

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