IP Subnet Calculator

Subnet Mask: 255.255.255.255 / 32 255.255.255.254 / 31 255.255.255.252 / 30 255.255.255.248 / 29 255.255.255.240 / 28 255.255.255.224 / 27 255.255.255.192 / 26 255.255.255.128 / 25 255.255.255.0 / 24 255.255.254.0 / 23 255.255.252.0 / 22 255.255.248.0 / 21 255.255.240.0 / 20 255.255.224.0 / 19 255.255.192.0 / 18 255.255.128.0 / 17 255.255.0.0 / 16 255.254.0.0 / 15 255.252.0.0 / 14 255.248.0.0 / 13 255.240.0.0 / 12 255.224.0.0 / 11 255.192.0.0 / 10 255.128.0.0 / 9 255.0.0.0 / 8 254.0.0.0 / 7 252.0.0.0 / 6 248.0.0.0 / 5 240.0.0.0 / 4 224.0.0.0 / 3 192.0.0.0 / 2 128.0.0.0 / 1