70:B3:D5:A1:7 Tunstall A/S
Every MAC address from 70:B3:D5:A1:70:00 to 70:B3:D5:A1:7F:FF belongs to a block the IEEE assigned to Tunstall A/S. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:A1:7 belongs to
Written 70:B3:D5:A1:7, 70-B3-D5-A1-7 or 70B3D5A17, depending on the system. Look up a full address.
Prefix
70:B3:D5:A1:7/36
Organization
Tunstall A/S
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:A1:70:00
Last address
70:B3:D5:A1:7F:FF
Address type
Globally unique, unicast
Registered address
Niels Bohrs vej 42 Stilling Skanderborg DK 8660
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.
Same organization
Other blocks assigned to Tunstall A/S
4 more blocks registered under the same name.