Who owns MAC prefix A83FA1B?

A83FA1B is registered to Exel s.r.l. unipersonale in the IEEE MA-M registry.

What devices use A83FA1B?

Any network device with a MAC address starting A8:3F:A1:B was manufactured by or for Exel s.r.l. unipersonale.

MA-M · OUI prefix

Exel s.r.l. unipersonale

Any MAC address starting A8:3F:A1:B is registered to Exel s.r.l. unipersonale in IT.

OUI prefix	A83FA1B
Vendor	Exel s.r.l. unipersonale
Registry	MA-M (28-bit, medium block)
Country	IT
Example MAC	A8:3F:A1:B:00:00:00

What this means

The IEEE assigned the MA-M block A83FA1B to Exel s.r.l. unipersonale. 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 A8:3F:A1:B, it is Exel s.r.l. unipersonale hardware.

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