Who owns MAC prefix 70B3D5C50?

70B3D5C50 is registered to Combilent in the IEEE MA-S registry.

What devices use 70B3D5C50?

Any network device with a MAC address starting 70:B3:D5:C5:0 was manufactured by or for Combilent.

MA-S · OUI prefix

Combilent

Any MAC address starting 70:B3:D5:C5:0 is registered to Combilent in DK.

OUI prefix	70B3D5C50
Vendor	Combilent
Registry	MA-S (36-bit, small block)
Country	DK
Example MAC	70:B3:D5:C5:0:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5C50 to Combilent. 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:C5:0, it is Combilent hardware.

Other Combilent prefixes

Combilent holds 3 registered blocks in total.

70B3D5E04 8C1F640F7

Look up another MAC