Who owns MAC prefix 70B3D53F9?

70B3D53F9 is registered to Herrick Tech Labs in the IEEE MA-S registry.

What devices use 70B3D53F9?

Any network device with a MAC address starting 70:B3:D5:3F:9 was manufactured by or for Herrick Tech Labs.

MA-S · OUI prefix

Herrick Tech Labs

Any MAC address starting 70:B3:D5:3F:9 is registered to Herrick Tech Labs in US.

OUI prefix	70B3D53F9
Vendor	Herrick Tech Labs
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:3F:9:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D53F9 to Herrick Tech Labs. 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:9, it is Herrick Tech Labs hardware.

Other Herrick Tech Labs prefixes

Herrick Tech Labs holds 2 registered blocks in total.

0411197

Look up another MAC