Who owns MAC prefix 70B3D5EA1?

70B3D5EA1 is registered to Qntra Technology in the IEEE MA-S registry.

What devices use 70B3D5EA1?

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

MA-S · OUI prefix

Qntra Technology

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

OUI prefix	70B3D5EA1
Vendor	Qntra Technology
Registry	MA-S (36-bit, small block)
Country	BG
Example MAC	70:B3:D5:EA:1:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5EA1 to Qntra 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:EA:1, it is Qntra Technology hardware.

Look up another MAC