IPv4 Subnet Calculator
CIDR |
Subnet Mask |
Addresses |
Wildcard |
/32 | 255.255.255.255 | 1 | 0.0.0.0 |
/31 | 255.255.255.254 | 2 | 0.0.0.1 |
/30 | 255.255.255.252 | 4 | 0.0.0.3 |
/29 | 255.255.255.248 | 8 | 0.0.0.7 |
/28 | 255.255.255.240 | 16 | 0.0.0.15 |
/27 | 255.255.255.224 | 32 | 0.0.0.31 |
/26 | 255.255.255.192 | 64 | 0.0.0.63 |
/25 | 255.255.255.128 | 128 | 0.0.0.127 |
/24 | 255.255.255.0 | 256 | 0.0.0.255 |
/23 | 255.255.254.0 | 512 | 0.0.1.255 |
/22 | 255.255.252.0 | 1024 | 0.0.3.255 |
/21 | 255.255.248.0 | 2048 | 0.0.7.255 |
/20 | 255.255.240.0 | 4096 | 0.0.15.255 |
/19 | 255.255.224.0 | 8192 | 0.0.31.255 |
/18 | 255.255.192.0 | 16384 | 0.0.63.255 |
/17 | 255.255.128.0 | 32768 | 0.0.127.255 |
/16 | 255.255.0.0 | 65536 | 0.0.255.255 |
/15 | 255.254.0.0 | 131072 | 0.1.255.255 |
/14 | 255.252.0.0 | 262144 | 0.3.255.255 |
/13 | 255.248.0.0 | 524288 | 0.7.255.255 |
/12 | 255.240.0.0 | 1048576 | 0.15.255.255 |
/11 | 255.224.0.0 | 2097152 | 0.31.255.255 |
/10 | 255.192.0.0 | 4194304 | 0.63.255.255 |
/9 | 255.128.0.0 | 8388608 | 0.127.255.255 |
/8 | 255.0.0.0 | 16777216 | 0.255.255.255 |
/7 | 254.0.0.0 | 33554432 | 1.255.255.255 |
/6 | 252.0.0.0 | 67108864 | 3.255.255.255 |
/5 | 248.0.0.0 | 134217728 | 7.255.255.255 |
/4 | 240.0.0.0 | 268435456 | 15.255.255.255 |
/3 | 224.0.0.0 | 536870912 | 31.255.255.255 |
/2 | 192.0.0.0 | 1073741824 | 63.255.255.255 |
/1 | 128.0.0.0 | 2147483648 | 127.255.255.255 |
/0 | 0.0.0.0 | 4294967296 | 255.255.255.255 |