Who owns MAC prefix 70B3D5AC8?

70B3D5AC8 is registered to Heartland.Data Inc. in the IEEE MA-S registry.

What devices use 70B3D5AC8?

Any network device with a MAC address starting 70:B3:D5:AC:8 was manufactured by or for Heartland.Data Inc..

MA-S · OUI prefix

Heartland.Data Inc.

Any MAC address starting 70:B3:D5:AC:8 is registered to Heartland.Data Inc. in JP.

OUI prefix	70B3D5AC8
Vendor	Heartland.Data Inc.
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:AC:8:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5AC8 to Heartland.Data Inc.. 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:AC:8, it is Heartland.Data Inc. hardware.

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