Who owns MAC prefix 70B3D5D9B?

70B3D5D9B is registered to Russian Telecom Equipment Company in the IEEE MA-S registry.

What devices use 70B3D5D9B?

Any network device with a MAC address starting 70:B3:D5:D9:B was manufactured by or for Russian Telecom Equipment Company.

MA-S · OUI prefix

Russian Telecom Equipment Company

Any MAC address starting 70:B3:D5:D9:B is registered to Russian Telecom Equipment Company in RU.

OUI prefix	70B3D5D9B
Vendor	Russian Telecom Equipment Company
Registry	MA-S (36-bit, small block)
Country	RU
Example MAC	70:B3:D5:D9:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5D9B to Russian Telecom Equipment Company. 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:D9:B, it is Russian Telecom Equipment Company hardware.

Other Russian Telecom Equipment Company prefixes

Russian Telecom Equipment Company holds 2 registered blocks in total.

70B3D50D7

Look up another MAC