Who owns MAC prefix 70B3D5E71?

70B3D5E71 is registered to SiS Technology in the IEEE MA-S registry.

What devices use 70B3D5E71?

Any network device with a MAC address starting 70:B3:D5:E7:1 was manufactured by or for SiS Technology.

MA-S · OUI prefix

SiS Technology

Any MAC address starting 70:B3:D5:E7:1 is registered to SiS Technology in BG.

OUI prefix	70B3D5E71
Vendor	SiS Technology
Registry	MA-S (36-bit, small block)
Country	BG
Example MAC	70:B3:D5:E7:1:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5E71 to SiS Technology. 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:E7:1, it is SiS Technology hardware.

Other SiS Technology prefixes

SiS Technology holds 2 registered blocks in total.

04C3E62

Look up another MAC