Who owns MAC prefix 70B3D5425?

70B3D5425 is registered to SinterCast in the IEEE MA-S registry.

What devices use 70B3D5425?

Any network device with a MAC address starting 70:B3:D5:42:5 was manufactured by or for SinterCast.

MA-S · OUI prefix

SinterCast

Any MAC address starting 70:B3:D5:42:5 is registered to SinterCast in SE.

OUI prefix	70B3D5425
Vendor	SinterCast
Registry	MA-S (36-bit, small block)
Country	SE
Example MAC	70:B3:D5:42:5:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5425 to SinterCast. 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:D5:42:5, it is SinterCast hardware.

Look up another MAC