70:B3:D5:03:4 Digital Systems Engineering
Every MAC address from 70:B3:D5:03:40:00 to 70:B3:D5:03:4F:FF belongs to a block the IEEE assigned to Digital Systems Engineering. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:03:4 belongs to
Written 70:B3:D5:03:4, 70-B3-D5-03-4 or 70B3D5034, depending on the system. Look up a full address.
Prefix
70:B3:D5:03:4/36
Organization
Digital Systems Engineering
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:03:40:00
Last address
70:B3:D5:03:4F:FF
Address type
Globally unique, unicast
Registered address
17491 N. 93rd St. Scottsdale AZ US 85255
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.