Who owns MAC prefix 70B3D53F5?

70B3D53F5 is registered to DOLBY LABORATORIES, INC. in the IEEE MA-S registry.

What devices use 70B3D53F5?

Any network device with a MAC address starting 70:B3:D5:3F:5 was manufactured by or for DOLBY LABORATORIES, INC..

MA-S · OUI prefix

DOLBY LABORATORIES, INC.

Any MAC address starting 70:B3:D5:3F:5 is registered to DOLBY LABORATORIES, INC. in US.

OUI prefix	70B3D53F5
Vendor	DOLBY LABORATORIES, INC.
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:3F:5:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D53F5 to DOLBY LABORATORIES, 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:D5:3F:5, it is DOLBY LABORATORIES, INC. hardware.

Other DOLBY LABORATORIES, INC. prefixes

DOLBY LABORATORIES, INC. holds 4 registered blocks in total.

00D046 70B3D573A D425CC8

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