Who owns MAC prefix 70B3D5B21?

70B3D5B21 is registered to TATTILE SRL in the IEEE MA-S registry.

What devices use 70B3D5B21?

Any network device with a MAC address starting 70:B3:D5:B2:1 was manufactured by or for TATTILE SRL.

MA-S · OUI prefix

TATTILE SRL

Any MAC address starting 70:B3:D5:B2:1 is registered to TATTILE SRL in IT.

OUI prefix	70B3D5B21
Vendor	TATTILE SRL
Registry	MA-S (36-bit, small block)
Country	IT
Example MAC	70:B3:D5:B2:1:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5B21 to TATTILE 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:B2:1, it is TATTILE SRL hardware.

Other TATTILE SRL prefixes

TATTILE SRL holds 30 registered blocks in total.

0000A5 002031 0020B3 004075 00408E 00604F 008046 009043 00908B 00A080 70B3D50D6 70B3D52CA all 30 »

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