Who owns MAC prefix 0040A7?

0040A7 is registered to ITAUTEC PHILCO S.A. in the IEEE MA-L registry.

What devices use 0040A7?

Any network device with a MAC address starting 00:40:A7 was manufactured by or for ITAUTEC PHILCO S.A..

MA-L · OUI prefix

ITAUTEC PHILCO S.A.

Any MAC address starting 00:40:A7 is registered to ITAUTEC PHILCO S.A. in BR.

OUI prefix	0040A7
Vendor	ITAUTEC PHILCO S.A.
Registry	MA-L (24-bit, large block)
Country	BR
Example MAC	00:40:A7:00:00:00

What this means

The IEEE assigned the MA-L block 0040A7 to ITAUTEC PHILCO S.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 00:40:A7, it is ITAUTEC PHILCO S.A. hardware.

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