Who owns MAC prefix 443B32?

443B32 is registered to Intelbras in the IEEE MA-L registry.

What devices use 443B32?

Any network device with a MAC address starting 44:3B:32 was manufactured by or for Intelbras.

MA-L · OUI prefix

Intelbras

Any MAC address starting 44:3B:32 is registered to Intelbras in BR.

OUI prefix	443B32
Vendor	Intelbras
Registry	MA-L (24-bit, large block)
Country	BR
Example MAC	44:3B:32:00:00:00

What this means

The IEEE assigned the MA-L block 443B32 to Intelbras. 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 44:3B:32, it is Intelbras hardware.

Other Intelbras prefixes

Intelbras holds 18 registered blocks in total.

001A3F 180D2C 24FD0D 30E1F1 4851CF 546CAC 54BAD9 58108C 808544 808FE8 982A0A 98E55B all 18 »

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