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IP Subnet Calculator

This page will calculate all valid subnets and ranges from an IP you give.

IP to Calculate from:

All subnets for 192.168.0.5 are:

  CIDR block     IP range (network - broadcast)     Subnet Mask     IP Quantity  
  192.168.0.5/32     192.168.0.5 - 192.168.0.5     255.255.255.255     1  
  192.168.0.4/31     192.168.0.4 - 192.168.0.5     255.255.255.254     2  
  192.168.0.4/30     192.168.0.4 - 192.168.0.7     255.255.255.252     4  
  192.168.0.0/29     192.168.0.0 - 192.168.0.7     255.255.255.248     8  
  192.168.0.0/28     192.168.0.0 - 192.168.0.15     255.255.255.240     16  
  192.168.0.0/27     192.168.0.0 - 192.168.0.31     255.255.255.224     32  
  192.168.0.0/26     192.168.0.0 - 192.168.0.63     255.255.255.192     64  
  192.168.0.0/25     192.168.0.0 - 192.168.0.127     255.255.255.128     128  
  192.168.0.0/24     192.168.0.0 - 192.168.0.255     255.255.255.0     256  
  192.168.0.0/23     192.168.0.0 - 192.168.1.255     255.255.254.0     512  
  192.168.0.0/22     192.168.0.0 - 192.168.3.255     255.255.252.0     1024  
  192.168.0.0/21     192.168.0.0 - 192.168.7.255     255.255.248.0     2048  
  192.168.0.0/20     192.168.0.0 - 192.168.15.255     255.255.240.0     4096  
  192.168.0.0/19     192.168.0.0 - 192.168.31.255     255.255.224.0     8192  
  192.168.0.0/18     192.168.0.0 - 192.168.63.255     255.255.192.0     16384  
  192.168.0.0/17     192.168.0.0 - 192.168.127.255     255.255.128.0     32768  
  192.168.0.0/16     192.168.0.0 - 192.168.255.255     255.255.0.0     65536  
  192.168.0.0/15     192.168.0.0 - 192.169.255.255     255.254.0.0     131072  
  192.168.0.0/14     192.168.0.0 - 192.171.255.255     255.252.0.0     262144  
  192.168.0.0/13     192.168.0.0 - 192.175.255.255     255.248.0.0     524288  
  192.160.0.0/12     192.160.0.0 - 192.175.255.255     255.240.0.0     1048576  
  192.160.0.0/11     192.160.0.0 - 192.191.255.255     255.224.0.0     2097152  
  192.128.0.0/10     192.128.0.0 - 192.191.255.255     255.192.0.0     4194304  
  192.128.0.0/9     192.128.0.0 - 192.255.255.255     255.128.0.0     8388608  
  192.0.0.0/8     192.0.0.0 - 192.255.255.255     255.0.0.0     16777216  
  192.0.0.0/7     192.0.0.0 - 193.255.255.255     254.0.0.0     33554432  
  192.0.0.0/6     192.0.0.0 - 195.255.255.255     252.0.0.0     67108864  
  192.0.0.0/5     192.0.0.0 - 199.255.255.255     248.0.0.0     134217728  
  192.0.0.0/4     192.0.0.0 - 207.255.255.255     240.0.0.0     268435456  
  192.0.0.0/3     192.0.0.0 - 223.255.255.255     224.0.0.0     536870912  
  192.0.0.0/2     192.0.0.0 - 255.255.255.255     192.0.0.0     1073741824  
  128.0.0.0/1     128.0.0.0 - 255.255.255.255     128.0.0.0     2147483648  

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