70:B3:D5:EF:D Cambridge Technology, Inc.
Every MAC address from 70:B3:D5:EF:D0:00 to 70:B3:D5:EF:DF:FF belongs to a block the IEEE assigned to Cambridge Technology, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:EF:D belongs to
Written 70:B3:D5:EF:D, 70-B3-D5-EF-D or 70B3D5EFD, depending on the system. Look up a full address.
Prefix
70:B3:D5:EF:D/36
Organization
Cambridge Technology, Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:EF:D0:00
Last address
70:B3:D5:EF:DF:FF
Address type
Globally unique, unicast
Registered address
125 middlesex turnpike bedford MA US 01730
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.