Who owns MAC prefix 043A0D?

043A0D is registered to SM Optics S.r.l. in the IEEE MA-L registry.

What devices use 043A0D?

Any network device with a MAC address starting 04:3A:0D was manufactured by or for SM Optics S.r.l..

MA-L · OUI prefix

SM Optics S.r.l.

Any MAC address starting 04:3A:0D is registered to SM Optics S.r.l. in IT.

OUI prefix	043A0D
Vendor	SM Optics S.r.l.
Registry	MA-L (24-bit, large block)
Country	IT
Example MAC	04:3A:0D:00:00:00

What this means

The IEEE assigned the MA-L block 043A0D to SM Optics S.r.l.. 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 04:3A:0D, it is SM Optics S.r.l. hardware.

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