70:B3:D5:9E:B Preston Industries dba PolyScience
Every MAC address from 70:B3:D5:9E:B0:00 to 70:B3:D5:9E:BF:FF belongs to a block the IEEE assigned to Preston Industries dba PolyScience. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:9E:B belongs to
Written 70:B3:D5:9E:B, 70-B3-D5-9E-B or 70B3D59EB, depending on the system. Look up a full address.
Prefix
70:B3:D5:9E:B/36
Organization
Preston Industries dba PolyScience
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:9E:B0:00
Last address
70:B3:D5:9E:BF:FF
Address type
Globally unique, unicast
Registered address
6600 W. Touhy Ave Niles IL US 60714-4588
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 Preston Industries dba PolyScience
4 more blocks registered under the same name.