Who owns MAC prefix 500F59?

500F59 is registered to STMicrolectronics International NV in the IEEE MA-L registry.

What devices use 500F59?

Any network device with a MAC address starting 50:0F:59 was manufactured by or for STMicrolectronics International NV.

MA-L · OUI prefix

STMicrolectronics International NV

Any MAC address starting 50:0F:59 is registered to STMicrolectronics International NV in CH.

OUI prefix	500F59
Vendor	STMicrolectronics International NV
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	50:0F:59:00:00:00

What this means

The IEEE assigned the MA-L block 500F59 to STMicrolectronics International NV. 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 50:0F:59, it is STMicrolectronics International NV hardware.

Other STMicrolectronics International NV prefixes

STMicrolectronics International NV holds 4 registered blocks in total.

10E77A 18E8EC 8082F5

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