IP Tools

For setting up IP networks and detecting incorrect addresses.

IP in subnet calculator

IPv4 Address:

Subnetmask

CIDR  Binary                                Decimal          Addresses
----------------------------------------------------------------------
/32   11111111.11111111.11111111.11111111   255.255.255.255          1
/31   11111111.11111111.11111111.11111110   255.255.255.254          2
/30   11111111.11111111.11111111.11111100   255.255.255.252          4
/29   11111111.11111111.11111111.11111000   255.255.255.248          8
/28   11111111.11111111.11111111.11110000   255.255.255.240         16
/27   11111111.11111111.11111111.11100000   255.255.255.224         32
/26   11111111.11111111.11111111.11000000   255.255.255.192         64
/25   11111111.11111111.11111111.10000000   255.255.255.128        128
/24   11111111.11111111.11111111.00000000   255.255.255.0          256
/23   11111111.11111111.11111110.00000000   255.255.254.0          512
/22   11111111.11111111.11111100.00000000   255.255.252.0         1024
/21   11111111.11111111.11111000.00000000   255.255.248.0         2048
/20   11111111.11111111.11110000.00000000   255.255.240.0         4096
/19   11111111.11111111.11100000.00000000   255.255.224.0         8192
/18   11111111.11111111.11000000.00000000   255.255.192.0        16384
/17   11111111.11111111.10000000.00000000   255.255.128.0        32768
/16   11111111.11111111.00000000.00000000   255.255.0.0          65536
/15   11111111.11111110.00000000.00000000   255.254.0.0         131072
/14   11111111.11111100.00000000.00000000   255.252.0.0         262144
/13   11111111.11111000.00000000.00000000   255.248.0.0         524288
/12   11111111.11110000.00000000.00000000   255.240.0.0        1048576
/11   11111111.11100000.00000000.00000000   255.224.0.0        2097152
/10   11111111.11000000.00000000.00000000   255.192.0.0        4194304
 /9   11111111.10000000.00000000.00000000   255.128.0.0        8388608
 /8   11111111.00000000.00000000.00000000   255.0.0.0         16777216