70:B3:D5:D3:8 Vista Research, Inc.
Every MAC address from 70:B3:D5:D3:80:00 to 70:B3:D5:D3:8F:FF belongs to a block the IEEE assigned to Vista Research, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:D3:8 belongs to
Written 70:B3:D5:D3:8, 70-B3-D5-D3-8 or 70B3D5D38, depending on the system. Look up a full address.
Prefix
70:B3:D5:D3:8/36
Organization
Vista Research, Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:D3:80:00
Last address
70:B3:D5:D3:8F:FF
Address type
Globally unique, unicast
Registered address
2231 Crystal Drive, Suite 515 Arlington VA US 22202
Parent block
Inside 70:B3:D5
This MA-S block is carved from the 24-bit block 70:B3:D5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.