Who owns MAC prefix 70B3D527F?

70B3D527F is registered to ST Aerospace Systems in the IEEE MA-S registry.

What devices use 70B3D527F?

Any network device with a MAC address starting 70:B3:D5:27:F was manufactured by or for ST Aerospace Systems.

MA-S · OUI prefix

ST Aerospace Systems

Any MAC address starting 70:B3:D5:27:F is registered to ST Aerospace Systems in SG.

OUI prefix	70B3D527F
Vendor	ST Aerospace Systems
Registry	MA-S (36-bit, small block)
Country	SG
Example MAC	70:B3:D5:27:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D527F to ST Aerospace Systems. 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 70:B3:D5:27:F, it is ST Aerospace Systems hardware.

Look up another MAC