Who owns MAC prefix 70B3D5296?

70B3D5296 is registered to Rohde&Schwarz Topex SA in the IEEE MA-S registry.

What devices use 70B3D5296?

Any network device with a MAC address starting 70:B3:D5:29:6 was manufactured by or for Rohde&Schwarz Topex SA.

MA-S · OUI prefix

Rohde&Schwarz Topex SA

Any MAC address starting 70:B3:D5:29:6 is registered to Rohde&Schwarz Topex SA in RO.

OUI prefix	70B3D5296
Vendor	Rohde&Schwarz Topex SA
Registry	MA-S (36-bit, small block)
Country	RO
Example MAC	70:B3:D5:29:6:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5296 to Rohde&Schwarz Topex SA. 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:D5:29:6, it is Rohde&Schwarz Topex SA hardware.

Other Rohde&Schwarz Topex SA prefixes

Rohde&Schwarz Topex SA holds 6 registered blocks in total.

70B3D5186 70B3D5243 70B3D5932 70B3D5FB0 DC4427D

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