Who owns MAC prefix 18E8EC?

18E8EC is registered to STMicrolectronics International NV in the IEEE MA-L registry.

What devices use 18E8EC?

Any network device with a MAC address starting 18:E8:EC was manufactured by or for STMicrolectronics International NV.

MA-L · OUI prefix

STMicrolectronics International NV

Any MAC address starting 18:E8:EC is registered to STMicrolectronics International NV in CH.

OUI prefix	18E8EC
Vendor	STMicrolectronics International NV
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	18:E8:EC:00:00:00

What this means

The IEEE assigned the MA-L block 18E8EC 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 18:E8:EC, it is STMicrolectronics International NV hardware.

Other STMicrolectronics International NV prefixes

STMicrolectronics International NV holds 4 registered blocks in total.

10E77A 500F59 8082F5

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