70:B3:D5:9D:A Blake UK
Every MAC address from 70:B3:D5:9D:A0:00 to 70:B3:D5:9D:AF:FF belongs to a block the IEEE assigned to Blake UK. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:9D:A belongs to
Written 70:B3:D5:9D:A, 70-B3-D5-9D-A or 70B3D59DA, depending on the system. Look up a full address.
Prefix
70:B3:D5:9D:A/36
Organization
Blake UK
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:9D:A0:00
Last address
70:B3:D5:9D:AF:FF
Address type
Globally unique, unicast
Registered address
177-187, Rutland Road Sheffield --select-- GB S3 9PT
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 Blake UK
1 more block registered under the same name.