70:B3:D5:31:6 Austco Marketing & Service (USA) ltd.
Every MAC address from 70:B3:D5:31:60:00 to 70:B3:D5:31:6F:FF belongs to a block the IEEE assigned to Austco Marketing & Service (USA) ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:31:6 belongs to
Written 70:B3:D5:31:6, 70-B3-D5-31-6 or 70B3D5316, depending on the system. Look up a full address.
Prefix
70:B3:D5:31:6/36
Organization
Austco Marketing & Service (USA) ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:31:60:00
Last address
70:B3:D5:31:6F:FF
Address type
Globally unique, unicast
Registered address
9155 Sterling St Unit 100 Irving TX US 75063
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 Austco Marketing & Service (USA) ltd.
1 more block registered under the same name.