IPv4 Subnet Calculator
Enter an IP with a CIDR prefix or a subnet mask to see its network, broadcast, host range, and host count. You can also split the network into smaller subnets.
private IP (RFC 1918)10.66.232.0/22
network10.66.232.0/22
broadcast10.66.235.255
first host10.66.232.1
last host10.66.235.254
subnet mask255.255.252.0
wildcard0.0.3.255
addresses1,024
usable hosts1,022
classA
ipcalc 10.66.232.0/22
address00001010.01000010.11101000.00000000
subnet mask11111111.11111111.11111100.00000000
network00001010.01000010.11101000.00000000
broadcast00001010.01000010.11101011.11111111
green = network part, grey = host part
hex0x0a42e800
decimal172156928
reverse dns0.232.66.10.in-addr.arpa
ipv4-mapped::ffff:a42:e800
/22 split into /30 · 256 subnets
close ×| # | network | host range | broadcast |
|---|---|---|---|
| 1 | 10.66.232.0/30 | 10.66.232.1 – 10.66.232.2 | 10.66.232.3 |
| 2 | 10.66.232.4/30 | 10.66.232.5 – 10.66.232.6 | 10.66.232.7 |
| 3 | 10.66.232.8/30 | 10.66.232.9 – 10.66.232.10 | 10.66.232.11 |
| 4 | 10.66.232.12/30 | 10.66.232.13 – 10.66.232.14 | 10.66.232.15 |
| 5 | 10.66.232.16/30 | 10.66.232.17 – 10.66.232.18 | 10.66.232.19 |
| 6 | 10.66.232.20/30 | 10.66.232.21 – 10.66.232.22 | 10.66.232.23 |
| 7 | 10.66.232.24/30 | 10.66.232.25 – 10.66.232.26 | 10.66.232.27 |
| 8 | 10.66.232.28/30 | 10.66.232.29 – 10.66.232.30 | 10.66.232.31 |
| 9 | 10.66.232.32/30 | 10.66.232.33 – 10.66.232.34 | 10.66.232.35 |
| 10 | 10.66.232.36/30 | 10.66.232.37 – 10.66.232.38 | 10.66.232.39 |
| 11 | 10.66.232.40/30 | 10.66.232.41 – 10.66.232.42 | 10.66.232.43 |
| 12 | 10.66.232.44/30 | 10.66.232.45 – 10.66.232.46 | 10.66.232.47 |
| 13 | 10.66.232.48/30 | 10.66.232.49 – 10.66.232.50 | 10.66.232.51 |
| 14 | 10.66.232.52/30 | 10.66.232.53 – 10.66.232.54 | 10.66.232.55 |
| 15 | 10.66.232.56/30 | 10.66.232.57 – 10.66.232.58 | 10.66.232.59 |
| 16 | 10.66.232.60/30 | 10.66.232.61 – 10.66.232.62 | 10.66.232.63 |
| 17 | 10.66.232.64/30 | 10.66.232.65 – 10.66.232.66 | 10.66.232.67 |
| 18 | 10.66.232.68/30 | 10.66.232.69 – 10.66.232.70 | 10.66.232.71 |
| 19 | 10.66.232.72/30 | 10.66.232.73 – 10.66.232.74 | 10.66.232.75 |
| 20 | 10.66.232.76/30 | 10.66.232.77 – 10.66.232.78 | 10.66.232.79 |
| 21 | 10.66.232.80/30 | 10.66.232.81 – 10.66.232.82 | 10.66.232.83 |
| 22 | 10.66.232.84/30 | 10.66.232.85 – 10.66.232.86 | 10.66.232.87 |
| 23 | 10.66.232.88/30 | 10.66.232.89 – 10.66.232.90 | 10.66.232.91 |
| 24 | 10.66.232.92/30 | 10.66.232.93 – 10.66.232.94 | 10.66.232.95 |
| 25 | 10.66.232.96/30 | 10.66.232.97 – 10.66.232.98 | 10.66.232.99 |
| 26 | 10.66.232.100/30 | 10.66.232.101 – 10.66.232.102 | 10.66.232.103 |
| 27 | 10.66.232.104/30 | 10.66.232.105 – 10.66.232.106 | 10.66.232.107 |
| 28 | 10.66.232.108/30 | 10.66.232.109 – 10.66.232.110 | 10.66.232.111 |
| 29 | 10.66.232.112/30 | 10.66.232.113 – 10.66.232.114 | 10.66.232.115 |
| 30 | 10.66.232.116/30 | 10.66.232.117 – 10.66.232.118 | 10.66.232.119 |
| 31 | 10.66.232.120/30 | 10.66.232.121 – 10.66.232.122 | 10.66.232.123 |
| 32 | 10.66.232.124/30 | 10.66.232.125 – 10.66.232.126 | 10.66.232.127 |
| 33 | 10.66.232.128/30 | 10.66.232.129 – 10.66.232.130 | 10.66.232.131 |
| 34 | 10.66.232.132/30 | 10.66.232.133 – 10.66.232.134 | 10.66.232.135 |
| 35 | 10.66.232.136/30 | 10.66.232.137 – 10.66.232.138 | 10.66.232.139 |
| 36 | 10.66.232.140/30 | 10.66.232.141 – 10.66.232.142 | 10.66.232.143 |
| 37 | 10.66.232.144/30 | 10.66.232.145 – 10.66.232.146 | 10.66.232.147 |
| 38 | 10.66.232.148/30 | 10.66.232.149 – 10.66.232.150 | 10.66.232.151 |
| 39 | 10.66.232.152/30 | 10.66.232.153 – 10.66.232.154 | 10.66.232.155 |
| 40 | 10.66.232.156/30 | 10.66.232.157 – 10.66.232.158 | 10.66.232.159 |
| 41 | 10.66.232.160/30 | 10.66.232.161 – 10.66.232.162 | 10.66.232.163 |
| 42 | 10.66.232.164/30 | 10.66.232.165 – 10.66.232.166 | 10.66.232.167 |
| 43 | 10.66.232.168/30 | 10.66.232.169 – 10.66.232.170 | 10.66.232.171 |
| 44 | 10.66.232.172/30 | 10.66.232.173 – 10.66.232.174 | 10.66.232.175 |
| 45 | 10.66.232.176/30 | 10.66.232.177 – 10.66.232.178 | 10.66.232.179 |
| 46 | 10.66.232.180/30 | 10.66.232.181 – 10.66.232.182 | 10.66.232.183 |
| 47 | 10.66.232.184/30 | 10.66.232.185 – 10.66.232.186 | 10.66.232.187 |
| 48 | 10.66.232.188/30 | 10.66.232.189 – 10.66.232.190 | 10.66.232.191 |
| 49 | 10.66.232.192/30 | 10.66.232.193 – 10.66.232.194 | 10.66.232.195 |
| 50 | 10.66.232.196/30 | 10.66.232.197 – 10.66.232.198 | 10.66.232.199 |
| 51 | 10.66.232.200/30 | 10.66.232.201 – 10.66.232.202 | 10.66.232.203 |
| 52 | 10.66.232.204/30 | 10.66.232.205 – 10.66.232.206 | 10.66.232.207 |
| 53 | 10.66.232.208/30 | 10.66.232.209 – 10.66.232.210 | 10.66.232.211 |
| 54 | 10.66.232.212/30 | 10.66.232.213 – 10.66.232.214 | 10.66.232.215 |
| 55 | 10.66.232.216/30 | 10.66.232.217 – 10.66.232.218 | 10.66.232.219 |
| 56 | 10.66.232.220/30 | 10.66.232.221 – 10.66.232.222 | 10.66.232.223 |
| 57 | 10.66.232.224/30 | 10.66.232.225 – 10.66.232.226 | 10.66.232.227 |
| 58 | 10.66.232.228/30 | 10.66.232.229 – 10.66.232.230 | 10.66.232.231 |
| 59 | 10.66.232.232/30 | 10.66.232.233 – 10.66.232.234 | 10.66.232.235 |
| 60 | 10.66.232.236/30 | 10.66.232.237 – 10.66.232.238 | 10.66.232.239 |
| 61 | 10.66.232.240/30 | 10.66.232.241 – 10.66.232.242 | 10.66.232.243 |
| 62 | 10.66.232.244/30 | 10.66.232.245 – 10.66.232.246 | 10.66.232.247 |
| 63 | 10.66.232.248/30 | 10.66.232.249 – 10.66.232.250 | 10.66.232.251 |
| 64 | 10.66.232.252/30 | 10.66.232.253 – 10.66.232.254 | 10.66.232.255 |
| 65 | 10.66.233.0/30 | 10.66.233.1 – 10.66.233.2 | 10.66.233.3 |
| 66 | 10.66.233.4/30 | 10.66.233.5 – 10.66.233.6 | 10.66.233.7 |
| 67 | 10.66.233.8/30 | 10.66.233.9 – 10.66.233.10 | 10.66.233.11 |
| 68 | 10.66.233.12/30 | 10.66.233.13 – 10.66.233.14 | 10.66.233.15 |
| 69 | 10.66.233.16/30 | 10.66.233.17 – 10.66.233.18 | 10.66.233.19 |
| 70 | 10.66.233.20/30 | 10.66.233.21 – 10.66.233.22 | 10.66.233.23 |
| 71 | 10.66.233.24/30 | 10.66.233.25 – 10.66.233.26 | 10.66.233.27 |
| 72 | 10.66.233.28/30 | 10.66.233.29 – 10.66.233.30 | 10.66.233.31 |
| 73 | 10.66.233.32/30 | 10.66.233.33 – 10.66.233.34 | 10.66.233.35 |
| 74 | 10.66.233.36/30 | 10.66.233.37 – 10.66.233.38 | 10.66.233.39 |
| 75 | 10.66.233.40/30 | 10.66.233.41 – 10.66.233.42 | 10.66.233.43 |
| 76 | 10.66.233.44/30 | 10.66.233.45 – 10.66.233.46 | 10.66.233.47 |
| 77 | 10.66.233.48/30 | 10.66.233.49 – 10.66.233.50 | 10.66.233.51 |
| 78 | 10.66.233.52/30 | 10.66.233.53 – 10.66.233.54 | 10.66.233.55 |
| 79 | 10.66.233.56/30 | 10.66.233.57 – 10.66.233.58 | 10.66.233.59 |
| 80 | 10.66.233.60/30 | 10.66.233.61 – 10.66.233.62 | 10.66.233.63 |
| 81 | 10.66.233.64/30 | 10.66.233.65 – 10.66.233.66 | 10.66.233.67 |
| 82 | 10.66.233.68/30 | 10.66.233.69 – 10.66.233.70 | 10.66.233.71 |
| 83 | 10.66.233.72/30 | 10.66.233.73 – 10.66.233.74 | 10.66.233.75 |
| 84 | 10.66.233.76/30 | 10.66.233.77 – 10.66.233.78 | 10.66.233.79 |
| 85 | 10.66.233.80/30 | 10.66.233.81 – 10.66.233.82 | 10.66.233.83 |
| 86 | 10.66.233.84/30 | 10.66.233.85 – 10.66.233.86 | 10.66.233.87 |
| 87 | 10.66.233.88/30 | 10.66.233.89 – 10.66.233.90 | 10.66.233.91 |
| 88 | 10.66.233.92/30 | 10.66.233.93 – 10.66.233.94 | 10.66.233.95 |
| 89 | 10.66.233.96/30 | 10.66.233.97 – 10.66.233.98 | 10.66.233.99 |
| 90 | 10.66.233.100/30 | 10.66.233.101 – 10.66.233.102 | 10.66.233.103 |
| 91 | 10.66.233.104/30 | 10.66.233.105 – 10.66.233.106 | 10.66.233.107 |
| 92 | 10.66.233.108/30 | 10.66.233.109 – 10.66.233.110 | 10.66.233.111 |
| 93 | 10.66.233.112/30 | 10.66.233.113 – 10.66.233.114 | 10.66.233.115 |
| 94 | 10.66.233.116/30 | 10.66.233.117 – 10.66.233.118 | 10.66.233.119 |
| 95 | 10.66.233.120/30 | 10.66.233.121 – 10.66.233.122 | 10.66.233.123 |
| 96 | 10.66.233.124/30 | 10.66.233.125 – 10.66.233.126 | 10.66.233.127 |
| 97 | 10.66.233.128/30 | 10.66.233.129 – 10.66.233.130 | 10.66.233.131 |
| 98 | 10.66.233.132/30 | 10.66.233.133 – 10.66.233.134 | 10.66.233.135 |
| 99 | 10.66.233.136/30 | 10.66.233.137 – 10.66.233.138 | 10.66.233.139 |
| 100 | 10.66.233.140/30 | 10.66.233.141 – 10.66.233.142 | 10.66.233.143 |
| 101 | 10.66.233.144/30 | 10.66.233.145 – 10.66.233.146 | 10.66.233.147 |
| 102 | 10.66.233.148/30 | 10.66.233.149 – 10.66.233.150 | 10.66.233.151 |
| 103 | 10.66.233.152/30 | 10.66.233.153 – 10.66.233.154 | 10.66.233.155 |
| 104 | 10.66.233.156/30 | 10.66.233.157 – 10.66.233.158 | 10.66.233.159 |
| 105 | 10.66.233.160/30 | 10.66.233.161 – 10.66.233.162 | 10.66.233.163 |
| 106 | 10.66.233.164/30 | 10.66.233.165 – 10.66.233.166 | 10.66.233.167 |
| 107 | 10.66.233.168/30 | 10.66.233.169 – 10.66.233.170 | 10.66.233.171 |
| 108 | 10.66.233.172/30 | 10.66.233.173 – 10.66.233.174 | 10.66.233.175 |
| 109 | 10.66.233.176/30 | 10.66.233.177 – 10.66.233.178 | 10.66.233.179 |
| 110 | 10.66.233.180/30 | 10.66.233.181 – 10.66.233.182 | 10.66.233.183 |
| 111 | 10.66.233.184/30 | 10.66.233.185 – 10.66.233.186 | 10.66.233.187 |
| 112 | 10.66.233.188/30 | 10.66.233.189 – 10.66.233.190 | 10.66.233.191 |
| 113 | 10.66.233.192/30 | 10.66.233.193 – 10.66.233.194 | 10.66.233.195 |
| 114 | 10.66.233.196/30 | 10.66.233.197 – 10.66.233.198 | 10.66.233.199 |
| 115 | 10.66.233.200/30 | 10.66.233.201 – 10.66.233.202 | 10.66.233.203 |
| 116 | 10.66.233.204/30 | 10.66.233.205 – 10.66.233.206 | 10.66.233.207 |
| 117 | 10.66.233.208/30 | 10.66.233.209 – 10.66.233.210 | 10.66.233.211 |
| 118 | 10.66.233.212/30 | 10.66.233.213 – 10.66.233.214 | 10.66.233.215 |
| 119 | 10.66.233.216/30 | 10.66.233.217 – 10.66.233.218 | 10.66.233.219 |
| 120 | 10.66.233.220/30 | 10.66.233.221 – 10.66.233.222 | 10.66.233.223 |
| 121 | 10.66.233.224/30 | 10.66.233.225 – 10.66.233.226 | 10.66.233.227 |
| 122 | 10.66.233.228/30 | 10.66.233.229 – 10.66.233.230 | 10.66.233.231 |
| 123 | 10.66.233.232/30 | 10.66.233.233 – 10.66.233.234 | 10.66.233.235 |
| 124 | 10.66.233.236/30 | 10.66.233.237 – 10.66.233.238 | 10.66.233.239 |
| 125 | 10.66.233.240/30 | 10.66.233.241 – 10.66.233.242 | 10.66.233.243 |
| 126 | 10.66.233.244/30 | 10.66.233.245 – 10.66.233.246 | 10.66.233.247 |
| 127 | 10.66.233.248/30 | 10.66.233.249 – 10.66.233.250 | 10.66.233.251 |
| 128 | 10.66.233.252/30 | 10.66.233.253 – 10.66.233.254 | 10.66.233.255 |
| 129 | 10.66.234.0/30 | 10.66.234.1 – 10.66.234.2 | 10.66.234.3 |
| 130 | 10.66.234.4/30 | 10.66.234.5 – 10.66.234.6 | 10.66.234.7 |
| 131 | 10.66.234.8/30 | 10.66.234.9 – 10.66.234.10 | 10.66.234.11 |
| 132 | 10.66.234.12/30 | 10.66.234.13 – 10.66.234.14 | 10.66.234.15 |
| 133 | 10.66.234.16/30 | 10.66.234.17 – 10.66.234.18 | 10.66.234.19 |
| 134 | 10.66.234.20/30 | 10.66.234.21 – 10.66.234.22 | 10.66.234.23 |
| 135 | 10.66.234.24/30 | 10.66.234.25 – 10.66.234.26 | 10.66.234.27 |
| 136 | 10.66.234.28/30 | 10.66.234.29 – 10.66.234.30 | 10.66.234.31 |
| 137 | 10.66.234.32/30 | 10.66.234.33 – 10.66.234.34 | 10.66.234.35 |
| 138 | 10.66.234.36/30 | 10.66.234.37 – 10.66.234.38 | 10.66.234.39 |
| 139 | 10.66.234.40/30 | 10.66.234.41 – 10.66.234.42 | 10.66.234.43 |
| 140 | 10.66.234.44/30 | 10.66.234.45 – 10.66.234.46 | 10.66.234.47 |
| 141 | 10.66.234.48/30 | 10.66.234.49 – 10.66.234.50 | 10.66.234.51 |
| 142 | 10.66.234.52/30 | 10.66.234.53 – 10.66.234.54 | 10.66.234.55 |
| 143 | 10.66.234.56/30 | 10.66.234.57 – 10.66.234.58 | 10.66.234.59 |
| 144 | 10.66.234.60/30 | 10.66.234.61 – 10.66.234.62 | 10.66.234.63 |
| 145 | 10.66.234.64/30 | 10.66.234.65 – 10.66.234.66 | 10.66.234.67 |
| 146 | 10.66.234.68/30 | 10.66.234.69 – 10.66.234.70 | 10.66.234.71 |
| 147 | 10.66.234.72/30 | 10.66.234.73 – 10.66.234.74 | 10.66.234.75 |
| 148 | 10.66.234.76/30 | 10.66.234.77 – 10.66.234.78 | 10.66.234.79 |
| 149 | 10.66.234.80/30 | 10.66.234.81 – 10.66.234.82 | 10.66.234.83 |
| 150 | 10.66.234.84/30 | 10.66.234.85 – 10.66.234.86 | 10.66.234.87 |
| 151 | 10.66.234.88/30 | 10.66.234.89 – 10.66.234.90 | 10.66.234.91 |
| 152 | 10.66.234.92/30 | 10.66.234.93 – 10.66.234.94 | 10.66.234.95 |
| 153 | 10.66.234.96/30 | 10.66.234.97 – 10.66.234.98 | 10.66.234.99 |
| 154 | 10.66.234.100/30 | 10.66.234.101 – 10.66.234.102 | 10.66.234.103 |
| 155 | 10.66.234.104/30 | 10.66.234.105 – 10.66.234.106 | 10.66.234.107 |
| 156 | 10.66.234.108/30 | 10.66.234.109 – 10.66.234.110 | 10.66.234.111 |
| 157 | 10.66.234.112/30 | 10.66.234.113 – 10.66.234.114 | 10.66.234.115 |
| 158 | 10.66.234.116/30 | 10.66.234.117 – 10.66.234.118 | 10.66.234.119 |
| 159 | 10.66.234.120/30 | 10.66.234.121 – 10.66.234.122 | 10.66.234.123 |
| 160 | 10.66.234.124/30 | 10.66.234.125 – 10.66.234.126 | 10.66.234.127 |
| 161 | 10.66.234.128/30 | 10.66.234.129 – 10.66.234.130 | 10.66.234.131 |
| 162 | 10.66.234.132/30 | 10.66.234.133 – 10.66.234.134 | 10.66.234.135 |
| 163 | 10.66.234.136/30 | 10.66.234.137 – 10.66.234.138 | 10.66.234.139 |
| 164 | 10.66.234.140/30 | 10.66.234.141 – 10.66.234.142 | 10.66.234.143 |
| 165 | 10.66.234.144/30 | 10.66.234.145 – 10.66.234.146 | 10.66.234.147 |
| 166 | 10.66.234.148/30 | 10.66.234.149 – 10.66.234.150 | 10.66.234.151 |
| 167 | 10.66.234.152/30 | 10.66.234.153 – 10.66.234.154 | 10.66.234.155 |
| 168 | 10.66.234.156/30 | 10.66.234.157 – 10.66.234.158 | 10.66.234.159 |
| 169 | 10.66.234.160/30 | 10.66.234.161 – 10.66.234.162 | 10.66.234.163 |
| 170 | 10.66.234.164/30 | 10.66.234.165 – 10.66.234.166 | 10.66.234.167 |
| 171 | 10.66.234.168/30 | 10.66.234.169 – 10.66.234.170 | 10.66.234.171 |
| 172 | 10.66.234.172/30 | 10.66.234.173 – 10.66.234.174 | 10.66.234.175 |
| 173 | 10.66.234.176/30 | 10.66.234.177 – 10.66.234.178 | 10.66.234.179 |
| 174 | 10.66.234.180/30 | 10.66.234.181 – 10.66.234.182 | 10.66.234.183 |
| 175 | 10.66.234.184/30 | 10.66.234.185 – 10.66.234.186 | 10.66.234.187 |
| 176 | 10.66.234.188/30 | 10.66.234.189 – 10.66.234.190 | 10.66.234.191 |
| 177 | 10.66.234.192/30 | 10.66.234.193 – 10.66.234.194 | 10.66.234.195 |
| 178 | 10.66.234.196/30 | 10.66.234.197 – 10.66.234.198 | 10.66.234.199 |
| 179 | 10.66.234.200/30 | 10.66.234.201 – 10.66.234.202 | 10.66.234.203 |
| 180 | 10.66.234.204/30 | 10.66.234.205 – 10.66.234.206 | 10.66.234.207 |
| 181 | 10.66.234.208/30 | 10.66.234.209 – 10.66.234.210 | 10.66.234.211 |
| 182 | 10.66.234.212/30 | 10.66.234.213 – 10.66.234.214 | 10.66.234.215 |
| 183 | 10.66.234.216/30 | 10.66.234.217 – 10.66.234.218 | 10.66.234.219 |
| 184 | 10.66.234.220/30 | 10.66.234.221 – 10.66.234.222 | 10.66.234.223 |
| 185 | 10.66.234.224/30 | 10.66.234.225 – 10.66.234.226 | 10.66.234.227 |
| 186 | 10.66.234.228/30 | 10.66.234.229 – 10.66.234.230 | 10.66.234.231 |
| 187 | 10.66.234.232/30 | 10.66.234.233 – 10.66.234.234 | 10.66.234.235 |
| 188 | 10.66.234.236/30 | 10.66.234.237 – 10.66.234.238 | 10.66.234.239 |
| 189 | 10.66.234.240/30 | 10.66.234.241 – 10.66.234.242 | 10.66.234.243 |
| 190 | 10.66.234.244/30 | 10.66.234.245 – 10.66.234.246 | 10.66.234.247 |
| 191 | 10.66.234.248/30 | 10.66.234.249 – 10.66.234.250 | 10.66.234.251 |
| 192 | 10.66.234.252/30 | 10.66.234.253 – 10.66.234.254 | 10.66.234.255 |
| 193 | 10.66.235.0/30 | 10.66.235.1 – 10.66.235.2 | 10.66.235.3 |
| 194 | 10.66.235.4/30 | 10.66.235.5 – 10.66.235.6 | 10.66.235.7 |
| 195 | 10.66.235.8/30 | 10.66.235.9 – 10.66.235.10 | 10.66.235.11 |
| 196 | 10.66.235.12/30 | 10.66.235.13 – 10.66.235.14 | 10.66.235.15 |
| 197 | 10.66.235.16/30 | 10.66.235.17 – 10.66.235.18 | 10.66.235.19 |
| 198 | 10.66.235.20/30 | 10.66.235.21 – 10.66.235.22 | 10.66.235.23 |
| 199 | 10.66.235.24/30 | 10.66.235.25 – 10.66.235.26 | 10.66.235.27 |
| 200 | 10.66.235.28/30 | 10.66.235.29 – 10.66.235.30 | 10.66.235.31 |
| 201 | 10.66.235.32/30 | 10.66.235.33 – 10.66.235.34 | 10.66.235.35 |
| 202 | 10.66.235.36/30 | 10.66.235.37 – 10.66.235.38 | 10.66.235.39 |
| 203 | 10.66.235.40/30 | 10.66.235.41 – 10.66.235.42 | 10.66.235.43 |
| 204 | 10.66.235.44/30 | 10.66.235.45 – 10.66.235.46 | 10.66.235.47 |
| 205 | 10.66.235.48/30 | 10.66.235.49 – 10.66.235.50 | 10.66.235.51 |
| 206 | 10.66.235.52/30 | 10.66.235.53 – 10.66.235.54 | 10.66.235.55 |
| 207 | 10.66.235.56/30 | 10.66.235.57 – 10.66.235.58 | 10.66.235.59 |
| 208 | 10.66.235.60/30 | 10.66.235.61 – 10.66.235.62 | 10.66.235.63 |
| 209 | 10.66.235.64/30 | 10.66.235.65 – 10.66.235.66 | 10.66.235.67 |
| 210 | 10.66.235.68/30 | 10.66.235.69 – 10.66.235.70 | 10.66.235.71 |
| 211 | 10.66.235.72/30 | 10.66.235.73 – 10.66.235.74 | 10.66.235.75 |
| 212 | 10.66.235.76/30 | 10.66.235.77 – 10.66.235.78 | 10.66.235.79 |
| 213 | 10.66.235.80/30 | 10.66.235.81 – 10.66.235.82 | 10.66.235.83 |
| 214 | 10.66.235.84/30 | 10.66.235.85 – 10.66.235.86 | 10.66.235.87 |
| 215 | 10.66.235.88/30 | 10.66.235.89 – 10.66.235.90 | 10.66.235.91 |
| 216 | 10.66.235.92/30 | 10.66.235.93 – 10.66.235.94 | 10.66.235.95 |
| 217 | 10.66.235.96/30 | 10.66.235.97 – 10.66.235.98 | 10.66.235.99 |
| 218 | 10.66.235.100/30 | 10.66.235.101 – 10.66.235.102 | 10.66.235.103 |
| 219 | 10.66.235.104/30 | 10.66.235.105 – 10.66.235.106 | 10.66.235.107 |
| 220 | 10.66.235.108/30 | 10.66.235.109 – 10.66.235.110 | 10.66.235.111 |
| 221 | 10.66.235.112/30 | 10.66.235.113 – 10.66.235.114 | 10.66.235.115 |
| 222 | 10.66.235.116/30 | 10.66.235.117 – 10.66.235.118 | 10.66.235.119 |
| 223 | 10.66.235.120/30 | 10.66.235.121 – 10.66.235.122 | 10.66.235.123 |
| 224 | 10.66.235.124/30 | 10.66.235.125 – 10.66.235.126 | 10.66.235.127 |
| 225 | 10.66.235.128/30 | 10.66.235.129 – 10.66.235.130 | 10.66.235.131 |
| 226 | 10.66.235.132/30 | 10.66.235.133 – 10.66.235.134 | 10.66.235.135 |
| 227 | 10.66.235.136/30 | 10.66.235.137 – 10.66.235.138 | 10.66.235.139 |
| 228 | 10.66.235.140/30 | 10.66.235.141 – 10.66.235.142 | 10.66.235.143 |
| 229 | 10.66.235.144/30 | 10.66.235.145 – 10.66.235.146 | 10.66.235.147 |
| 230 | 10.66.235.148/30 | 10.66.235.149 – 10.66.235.150 | 10.66.235.151 |
| 231 | 10.66.235.152/30 | 10.66.235.153 – 10.66.235.154 | 10.66.235.155 |
| 232 | 10.66.235.156/30 | 10.66.235.157 – 10.66.235.158 | 10.66.235.159 |
| 233 | 10.66.235.160/30 | 10.66.235.161 – 10.66.235.162 | 10.66.235.163 |
| 234 | 10.66.235.164/30 | 10.66.235.165 – 10.66.235.166 | 10.66.235.167 |
| 235 | 10.66.235.168/30 | 10.66.235.169 – 10.66.235.170 | 10.66.235.171 |
| 236 | 10.66.235.172/30 | 10.66.235.173 – 10.66.235.174 | 10.66.235.175 |
| 237 | 10.66.235.176/30 | 10.66.235.177 – 10.66.235.178 | 10.66.235.179 |
| 238 | 10.66.235.180/30 | 10.66.235.181 – 10.66.235.182 | 10.66.235.183 |
| 239 | 10.66.235.184/30 | 10.66.235.185 – 10.66.235.186 | 10.66.235.187 |
| 240 | 10.66.235.188/30 | 10.66.235.189 – 10.66.235.190 | 10.66.235.191 |
| 241 | 10.66.235.192/30 | 10.66.235.193 – 10.66.235.194 | 10.66.235.195 |
| 242 | 10.66.235.196/30 | 10.66.235.197 – 10.66.235.198 | 10.66.235.199 |
| 243 | 10.66.235.200/30 | 10.66.235.201 – 10.66.235.202 | 10.66.235.203 |
| 244 | 10.66.235.204/30 | 10.66.235.205 – 10.66.235.206 | 10.66.235.207 |
| 245 | 10.66.235.208/30 | 10.66.235.209 – 10.66.235.210 | 10.66.235.211 |
| 246 | 10.66.235.212/30 | 10.66.235.213 – 10.66.235.214 | 10.66.235.215 |
| 247 | 10.66.235.216/30 | 10.66.235.217 – 10.66.235.218 | 10.66.235.219 |
| 248 | 10.66.235.220/30 | 10.66.235.221 – 10.66.235.222 | 10.66.235.223 |
| 249 | 10.66.235.224/30 | 10.66.235.225 – 10.66.235.226 | 10.66.235.227 |
| 250 | 10.66.235.228/30 | 10.66.235.229 – 10.66.235.230 | 10.66.235.231 |
| 251 | 10.66.235.232/30 | 10.66.235.233 – 10.66.235.234 | 10.66.235.235 |
| 252 | 10.66.235.236/30 | 10.66.235.237 – 10.66.235.238 | 10.66.235.239 |
| 253 | 10.66.235.240/30 | 10.66.235.241 – 10.66.235.242 | 10.66.235.243 |
| 254 | 10.66.235.244/30 | 10.66.235.245 – 10.66.235.246 | 10.66.235.247 |
| 255 | 10.66.235.248/30 | 10.66.235.249 – 10.66.235.250 | 10.66.235.251 |
| 256 | 10.66.235.252/30 | 10.66.235.253 – 10.66.235.254 | 10.66.235.255 |
01 / table
IPv4 CIDR prefix table.
Click a prefix longer than your network to split it into subnets.
| prefix | subnet mask | addresses | hosts | in your /22 |
|---|---|---|---|---|
| /0 | 0.0.0.0 | 4,294,967,296 | 4,294,967,294 | - |
| /1 | 128.0.0.0 | 2,147,483,648 | 2,147,483,646 | - |
| /2 | 192.0.0.0 | 1,073,741,824 | 1,073,741,822 | - |
| /3 | 224.0.0.0 | 536,870,912 | 536,870,910 | - |
| /4 | 240.0.0.0 | 268,435,456 | 268,435,454 | - |
| /5 | 248.0.0.0 | 134,217,728 | 134,217,726 | - |
| /6 | 252.0.0.0 | 67,108,864 | 67,108,862 | - |
| /7 | 254.0.0.0 | 33,554,432 | 33,554,430 | - |
| /8 | 255.0.0.0 | 16,777,216 | 16,777,214 | - |
| /9 | 255.128.0.0 | 8,388,608 | 8,388,606 | - |
| /10 | 255.192.0.0 | 4,194,304 | 4,194,302 | - |
| /11 | 255.224.0.0 | 2,097,152 | 2,097,150 | - |
| /12 | 255.240.0.0 | 1,048,576 | 1,048,574 | - |
| /13 | 255.248.0.0 | 524,288 | 524,286 | - |
| /14 | 255.252.0.0 | 262,144 | 262,142 | - |
| /15 | 255.254.0.0 | 131,072 | 131,070 | - |
| /16 | 255.255.0.0 | 65,536 | 65,534 | - |
| /17 | 255.255.128.0 | 32,768 | 32,766 | - |
| /18 | 255.255.192.0 | 16,384 | 16,382 | - |
| /19 | 255.255.224.0 | 8,192 | 8,190 | - |
| /20 | 255.255.240.0 | 4,096 | 4,094 | - |
| /21 | 255.255.248.0 | 2,048 | 2,046 | - |
| /22 | 255.255.252.0 | 1,024 | 1,022 | 1 |
| /23 | 255.255.254.0 | 512 | 510 | 2 split → |
| /24 | 255.255.255.0 | 256 | 254 | 4 split → |
| /25 | 255.255.255.128 | 128 | 126 | 8 split → |
| /26 | 255.255.255.192 | 64 | 62 | 16 split → |
| /27 | 255.255.255.224 | 32 | 30 | 32 split → |
| /28 | 255.255.255.240 | 16 | 14 | 64 split → |
| /29 | 255.255.255.248 | 8 | 6 | 128 split → |
| /30 | 255.255.255.252 | 4 | 2 | 256 split → |
| /31 | 255.255.255.254 | 2 | 2 | 512 split → |
| /32 | 255.255.255.255 | 1 | 1 | 1,024 split → |
02 / faq
About this calculator.
How do I use this subnet calculator?
▼
Type an IP address followed by a prefix, like 192.168.1.10/24, or by a subnet mask, like 192.168.1.10 255.255.255.0. Without a prefix it uses /24. Click a row in the table to split the network into smaller subnets.
Why are usable hosts always 2 fewer?
▼
The first address in a subnet is the network address and the last is the broadcast address, so neither can go to a device. The exceptions are /31 (point-to-point links, RFC 3021) and /32 (a single address), which use every address.
Can I use it from a terminal?
▼
Yes. curl 'ipku.in/en/tools/ipv4-subnet-calculator?q=192.168.1.10/24' returns the result as plain text.