70:B3:D5:31:9 ISO/TC 22/SC 31
Every MAC address from 70:B3:D5:31:90:00 to 70:B3:D5:31:9F:FF belongs to a block the IEEE assigned to ISO/TC 22/SC 31. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:31:9 belongs to
Written 70:B3:D5:31:9, 70-B3-D5-31-9 or 70B3D5319, depending on the system. Look up a full address.
Prefix
70:B3:D5:31:9/36
Organization
ISO/TC 22/SC 31
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:31:90:00
Last address
70:B3:D5:31:9F:FF
Address type
Globally unique, unicast
Registered address
Behrenstr. 35 Berlin DE 10117
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.