Who owns MAC prefix 70B3D5FCB?

70B3D5FCB is registered to Tieline Research Pty Ltd in the IEEE MA-S registry.

What devices use 70B3D5FCB?

Any network device with a MAC address starting 70:B3:D5:FC:B was manufactured by or for Tieline Research Pty Ltd.

MA-S · OUI prefix

Tieline Research Pty Ltd

Any MAC address starting 70:B3:D5:FC:B is registered to Tieline Research Pty Ltd in AU.

OUI prefix	70B3D5FCB
Vendor	Tieline Research Pty Ltd
Registry	MA-S (36-bit, small block)
Country	AU
Example MAC	70:B3:D5:FC:B:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5FCB to Tieline Research Pty Ltd. 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:FC:B, it is Tieline Research Pty Ltd hardware.

Other Tieline Research Pty Ltd prefixes

Tieline Research Pty Ltd holds 5 registered blocks in total.

70B3D520F 8C1F642C0 8C1F644F0 8C1F64BAE

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