Who owns MAC prefix 18104E?

18104E is registered to CEDINT-UPM in the IEEE MA-L registry.

What devices use 18104E?

Any network device with a MAC address starting 18:10:4E was manufactured by or for CEDINT-UPM.

MA-L · OUI prefix

CEDINT-UPM

Any MAC address starting 18:10:4E is registered to CEDINT-UPM in ES.

OUI prefix	18104E
Vendor	CEDINT-UPM
Registry	MA-L (24-bit, large block)
Country	ES
Example MAC	18:10:4E:00:00:00

What this means

The IEEE assigned the MA-L block 18104E to CEDINT-UPM. 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 18:10:4E, it is CEDINT-UPM hardware.

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