70:B3:D5:75:8 Grossenbacher Systeme AG
Every MAC address from 70:B3:D5:75:80:00 to 70:B3:D5:75:8F:FF belongs to a block the IEEE assigned to Grossenbacher Systeme AG. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:75:8 belongs to
Written 70:B3:D5:75:8, 70-B3-D5-75-8 or 70B3D5758, depending on the system. Look up a full address.
Prefix
70:B3:D5:75:8/36
Organization
Grossenbacher Systeme AG
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:75:80:00
Last address
70:B3:D5:75:8F:FF
Address type
Globally unique, unicast
Registered address
Spinnereistrasse 10 St. Gallen CH 9008
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 Grossenbacher Systeme AG
24 more blocks registered under the same name.
70:B3:D5:0D:E/3670:B3:D5:0E:8/3670:B3:D5:29:7/3670:B3:D5:3E:B/3670:B3:D5:5E:2/3670:B3:D5:5F:E/3670:B3:D5:6B:7/3670:B3:D5:80:3/3670:B3:D5:A9:2/3670:B3:D5:B7:5/3670:B3:D5:BB:5/3670:B3:D5:C9:1/3670:B3:D5:CE:8/368C:1F:64:11:7/368C:1F:64:20:D/368C:1F:64:36:3/368C:1F:64:83:A/368C:1F:64:8D:F/368C:1F:64:99:B/368C:1F:64:9F:4/368C:1F:64:AF:9/368C:1F:64:B1:8/368C:1F:64:B2:E/368C:1F:64:E4:1/36