Who owns MAC prefix 70B3D5BDD?

70B3D5BDD is registered to CDR SRL in the IEEE MA-S registry.

What devices use 70B3D5BDD?

Any network device with a MAC address starting 70:B3:D5:BD:D was manufactured by or for CDR SRL.

MA-S · OUI prefix

CDR SRL

Any MAC address starting 70:B3:D5:BD:D is registered to CDR SRL in IT.

OUI prefix	70B3D5BDD
Vendor	CDR SRL
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:BD:D:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5BDD to CDR SRL. 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:BD:D, it is CDR SRL hardware.

Other CDR SRL prefixes

CDR SRL holds 3 registered blocks in total.

70B3D5F58 8C1F64AAC

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