Who owns MAC prefix 4C7872?

4C7872 is registered to Cav. Uff. Giacomo Cimberio S.p.A. in the IEEE MA-L registry.

What devices use 4C7872?

Any network device with a MAC address starting 4C:78:72 was manufactured by or for Cav. Uff. Giacomo Cimberio S.p.A..

MA-L · OUI prefix

Cav. Uff. Giacomo Cimberio S.p.A.

Any MAC address starting 4C:78:72 is registered to Cav. Uff. Giacomo Cimberio S.p.A. in IT.

OUI prefix	4C7872
Vendor	Cav. Uff. Giacomo Cimberio S.p.A.
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	4C:78:72:00:00:00

What this means

The IEEE assigned the MA-L block 4C7872 to Cav. Uff. Giacomo Cimberio S.p.A.. 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 4C:78:72, it is Cav. Uff. Giacomo Cimberio S.p.A. hardware.

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