Who owns MAC prefix 70B3D50A9?

70B3D50A9 is registered to ProConnections, Inc. in the IEEE MA-S registry.

What devices use 70B3D50A9?

Any network device with a MAC address starting 70:B3:D5:0A:9 was manufactured by or for ProConnections, Inc..

MA-S · OUI prefix

ProConnections, Inc.

Any MAC address starting 70:B3:D5:0A:9 is registered to ProConnections, Inc. in US.

OUI prefix	70B3D50A9
Vendor	ProConnections, Inc.
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:0A:9:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D50A9 to ProConnections, 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:D5:0A:9, it is ProConnections, Inc. hardware.

Other ProConnections, Inc. prefixes

ProConnections, Inc. holds 2 registered blocks in total.

94CC044

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