Hubert Witkowski

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Visual Subnet Calculator

Enter the network you wish to subnet:

Network Address Mask bits
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Click below to split and join subnets.
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Subnet address Netmask Range of addresses Useable IPs Hosts Divide Join
192.168.0.0/32 255.255.255.255 192.168.0.0 192.168.0.0 1 Divide 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
192.168.0.1/32 255.255.255.255 192.168.0.1 192.168.0.1 1 Divide 32
192.168.0.2/31 255.255.255.254 192.168.0.2 - 192.168.0.3 192.168.0.2 - 192.168.0.3 2 Divide 31
192.168.0.4/30 255.255.255.252 192.168.0.4 - 192.168.0.7 192.168.0.5 - 192.168.0.6 2 Divide 30
192.168.0.8/29 255.255.255.248 192.168.0.8 - 192.168.0.15 192.168.0.9 - 192.168.0.14 6 Divide 29
192.168.0.16/28 255.255.255.240 192.168.0.16 - 192.168.0.31 192.168.0.17 - 192.168.0.30 14 Divide 28
192.168.0.32/27 255.255.255.224 192.168.0.32 - 192.168.0.63 192.168.0.33 - 192.168.0.62 30 Divide 27
192.168.0.64/26 255.255.255.192 192.168.0.64 - 192.168.0.127 192.168.0.65 - 192.168.0.126 62 Divide 26
192.168.0.128/25 255.255.255.128 192.168.0.128 - 192.168.0.255 192.168.0.129 - 192.168.0.254 126 Divide 25
192.168.1.0/24 255.255.255.0 192.168.1.0 - 192.168.1.255 192.168.1.1 - 192.168.1.254 254 Divide 24
192.168.2.0/23 255.255.254.0 192.168.2.0 - 192.168.3.255 192.168.2.1 - 192.168.3.254 510 Divide 23
192.168.4.0/22 255.255.252.0 192.168.4.0 - 192.168.7.255 192.168.4.1 - 192.168.7.254 1022 Divide 22
192.168.8.0/21 255.255.248.0 192.168.8.0 - 192.168.15.255 192.168.8.1 - 192.168.15.254 2046 Divide 21
192.168.16.0/20 255.255.240.0 192.168.16.0 - 192.168.31.255 192.168.16.1 - 192.168.31.254 4094 Divide 20
192.168.32.0/19 255.255.224.0 192.168.32.0 - 192.168.63.255 192.168.32.1 - 192.168.63.254 8190 Divide 19
192.168.64.0/18 255.255.192.0 192.168.64.0 - 192.168.127.255 192.168.64.1 - 192.168.127.254 16382 Divide 18
192.168.128.0/17 255.255.128.0 192.168.128.0 - 192.168.255.255 192.168.128.1 - 192.168.255.254 32766 Divide 17