Who owns MAC prefix 70B3D5C5A?

70B3D5C5A is registered to Commsignia Ltd. in the IEEE MA-S registry.

What devices use 70B3D5C5A?

Any network device with a MAC address starting 70:B3:D5:C5:A was manufactured by or for Commsignia Ltd..

MA-S · OUI prefix

Commsignia Ltd.

Any MAC address starting 70:B3:D5:C5:A is registered to Commsignia Ltd. in HU.

OUI prefix	70B3D5C5A
Vendor	Commsignia Ltd.
Registry	MA-S (36-bit, small block)
Country	HU
Example MAC	70:B3:D5:C5:A:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5C5A to Commsignia Ltd.. 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:C5:A, it is Commsignia Ltd. hardware.

Other Commsignia Ltd. prefixes

Commsignia Ltd. holds 2 registered blocks in total.

4C93A63

Look up another MAC