Who owns MAC prefix 70B3D5C74?

70B3D5C74 is registered to Qtechnology A/S in the IEEE MA-S registry.

What devices use 70B3D5C74?

Any network device with a MAC address starting 70:B3:D5:C7:4 was manufactured by or for Qtechnology A/S.

MA-S · OUI prefix

Qtechnology A/S

Any MAC address starting 70:B3:D5:C7:4 is registered to Qtechnology A/S in DK.

OUI prefix	70B3D5C74
Vendor	Qtechnology A/S
Registry	MA-S (36-bit, small block)
Country	DK
Example MAC	70:B3:D5:C7:4:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5C74 to Qtechnology A/S. 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:C7:4, it is Qtechnology A/S hardware.

Other Qtechnology A/S prefixes

Qtechnology A/S holds 2 registered blocks in total.

8C1F64AFF

Look up another MAC