Who owns MAC prefix 70B3D5627?

70B3D5627 is registered to EarTex in the IEEE MA-S registry.

What devices use 70B3D5627?

Any network device with a MAC address starting 70:B3:D5:62:7 was manufactured by or for EarTex.

MA-S · OUI prefix

EarTex

Any MAC address starting 70:B3:D5:62:7 is registered to EarTex.

OUI prefix	70B3D5627
Vendor	EarTex
Registry	MA-S (36-bit, small block)
Example MAC	70:B3:D5:62:7:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5627 to EarTex. 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:D5:62:7, it is EarTex hardware.

Other EarTex prefixes

EarTex holds 3 registered blocks in total.

70B3D5462 70B3D5E01

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