Free Space Finder
Discover all available address blocks within network pools
 Quick Examples
  /xx 
Available Free Space
 18 free blocks  16,776,704 addresses
Address Space Visualization
 Network Pools
  Allocated Space
  Available Space
10.1.0.0/16
192.168.0.0/24
192.168.2.0/23
192.168.11.0/24
10.0.0.0 192.168.255.255
10.1.0.0/16 65,536 addresses 
10.128.0.0/9 8,388,608 addresses 
10.16.0.0/12 1,048,576 addresses 
10.2.0.0/15 131,072 addresses 
10.32.0.0/11 2,097,152 addresses 
10.4.0.0/14 262,144 addresses 
10.64.0.0/10 4,194,304 addresses 
10.8.0.0/13 524,288 addresses 
192.168.0.0/24 256 addresses 
192.168.11.0/24 256 addresses 
192.168.12.0/22 1,024 addresses 
192.168.128.0/17 32,768 addresses 
192.168.16.0/20 4,096 addresses 
192.168.2.0/23 512 addresses 
192.168.32.0/19 8,192 addresses 
192.168.4.0/22 1,024 addresses 
192.168.64.0/18 16,384 addresses 
192.168.8.0/23 512 addresses