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)10.40.192.0/18
network10.40.192.0/18
broadcast10.40.255.255
first host10.40.192.1
last host10.40.255.254
subnet mask255.255.192.0
wildcard0.0.63.255
addresses16,384
usable hosts16,382
classA
ipcalc 10.40.192.0/18
address00001010.00101000.11000000.00000000
subnet mask11111111.11111111.11000000.00000000
network00001010.00101000.11000000.00000000
broadcast00001010.00101000.11111111.11111111
green = network part, grey = host part
hex0x0a28c000
decimal170442752
reverse dns0.192.40.10.in-addr.arpa
ipv4-mapped::ffff:a28:c000
/18 split into /30 · 4,096 subnets
close ×| # | network | host range | broadcast |
|---|---|---|---|
| 1 | 10.40.192.0/30 | 10.40.192.1 – 10.40.192.2 | 10.40.192.3 |
| 2 | 10.40.192.4/30 | 10.40.192.5 – 10.40.192.6 | 10.40.192.7 |
| 3 | 10.40.192.8/30 | 10.40.192.9 – 10.40.192.10 | 10.40.192.11 |
| 4 | 10.40.192.12/30 | 10.40.192.13 – 10.40.192.14 | 10.40.192.15 |
| 5 | 10.40.192.16/30 | 10.40.192.17 – 10.40.192.18 | 10.40.192.19 |
| 6 | 10.40.192.20/30 | 10.40.192.21 – 10.40.192.22 | 10.40.192.23 |
| 7 | 10.40.192.24/30 | 10.40.192.25 – 10.40.192.26 | 10.40.192.27 |
| 8 | 10.40.192.28/30 | 10.40.192.29 – 10.40.192.30 | 10.40.192.31 |
| 9 | 10.40.192.32/30 | 10.40.192.33 – 10.40.192.34 | 10.40.192.35 |
| 10 | 10.40.192.36/30 | 10.40.192.37 – 10.40.192.38 | 10.40.192.39 |
| 11 | 10.40.192.40/30 | 10.40.192.41 – 10.40.192.42 | 10.40.192.43 |
| 12 | 10.40.192.44/30 | 10.40.192.45 – 10.40.192.46 | 10.40.192.47 |
| 13 | 10.40.192.48/30 | 10.40.192.49 – 10.40.192.50 | 10.40.192.51 |
| 14 | 10.40.192.52/30 | 10.40.192.53 – 10.40.192.54 | 10.40.192.55 |
| 15 | 10.40.192.56/30 | 10.40.192.57 – 10.40.192.58 | 10.40.192.59 |
| 16 | 10.40.192.60/30 | 10.40.192.61 – 10.40.192.62 | 10.40.192.63 |
| 17 | 10.40.192.64/30 | 10.40.192.65 – 10.40.192.66 | 10.40.192.67 |
| 18 | 10.40.192.68/30 | 10.40.192.69 – 10.40.192.70 | 10.40.192.71 |
| 19 | 10.40.192.72/30 | 10.40.192.73 – 10.40.192.74 | 10.40.192.75 |
| 20 | 10.40.192.76/30 | 10.40.192.77 – 10.40.192.78 | 10.40.192.79 |
| 21 | 10.40.192.80/30 | 10.40.192.81 – 10.40.192.82 | 10.40.192.83 |
| 22 | 10.40.192.84/30 | 10.40.192.85 – 10.40.192.86 | 10.40.192.87 |
| 23 | 10.40.192.88/30 | 10.40.192.89 – 10.40.192.90 | 10.40.192.91 |
| 24 | 10.40.192.92/30 | 10.40.192.93 – 10.40.192.94 | 10.40.192.95 |
| 25 | 10.40.192.96/30 | 10.40.192.97 – 10.40.192.98 | 10.40.192.99 |
| 26 | 10.40.192.100/30 | 10.40.192.101 – 10.40.192.102 | 10.40.192.103 |
| 27 | 10.40.192.104/30 | 10.40.192.105 – 10.40.192.106 | 10.40.192.107 |
| 28 | 10.40.192.108/30 | 10.40.192.109 – 10.40.192.110 | 10.40.192.111 |
| 29 | 10.40.192.112/30 | 10.40.192.113 – 10.40.192.114 | 10.40.192.115 |
| 30 | 10.40.192.116/30 | 10.40.192.117 – 10.40.192.118 | 10.40.192.119 |
| 31 | 10.40.192.120/30 | 10.40.192.121 – 10.40.192.122 | 10.40.192.123 |
| 32 | 10.40.192.124/30 | 10.40.192.125 – 10.40.192.126 | 10.40.192.127 |
| 33 | 10.40.192.128/30 | 10.40.192.129 – 10.40.192.130 | 10.40.192.131 |
| 34 | 10.40.192.132/30 | 10.40.192.133 – 10.40.192.134 | 10.40.192.135 |
| 35 | 10.40.192.136/30 | 10.40.192.137 – 10.40.192.138 | 10.40.192.139 |
| 36 | 10.40.192.140/30 | 10.40.192.141 – 10.40.192.142 | 10.40.192.143 |
| 37 | 10.40.192.144/30 | 10.40.192.145 – 10.40.192.146 | 10.40.192.147 |
| 38 | 10.40.192.148/30 | 10.40.192.149 – 10.40.192.150 | 10.40.192.151 |
| 39 | 10.40.192.152/30 | 10.40.192.153 – 10.40.192.154 | 10.40.192.155 |
| 40 | 10.40.192.156/30 | 10.40.192.157 – 10.40.192.158 | 10.40.192.159 |
| 41 | 10.40.192.160/30 | 10.40.192.161 – 10.40.192.162 | 10.40.192.163 |
| 42 | 10.40.192.164/30 | 10.40.192.165 – 10.40.192.166 | 10.40.192.167 |
| 43 | 10.40.192.168/30 | 10.40.192.169 – 10.40.192.170 | 10.40.192.171 |
| 44 | 10.40.192.172/30 | 10.40.192.173 – 10.40.192.174 | 10.40.192.175 |
| 45 | 10.40.192.176/30 | 10.40.192.177 – 10.40.192.178 | 10.40.192.179 |
| 46 | 10.40.192.180/30 | 10.40.192.181 – 10.40.192.182 | 10.40.192.183 |
| 47 | 10.40.192.184/30 | 10.40.192.185 – 10.40.192.186 | 10.40.192.187 |
| 48 | 10.40.192.188/30 | 10.40.192.189 – 10.40.192.190 | 10.40.192.191 |
| 49 | 10.40.192.192/30 | 10.40.192.193 – 10.40.192.194 | 10.40.192.195 |
| 50 | 10.40.192.196/30 | 10.40.192.197 – 10.40.192.198 | 10.40.192.199 |
| 51 | 10.40.192.200/30 | 10.40.192.201 – 10.40.192.202 | 10.40.192.203 |
| 52 | 10.40.192.204/30 | 10.40.192.205 – 10.40.192.206 | 10.40.192.207 |
| 53 | 10.40.192.208/30 | 10.40.192.209 – 10.40.192.210 | 10.40.192.211 |
| 54 | 10.40.192.212/30 | 10.40.192.213 – 10.40.192.214 | 10.40.192.215 |
| 55 | 10.40.192.216/30 | 10.40.192.217 – 10.40.192.218 | 10.40.192.219 |
| 56 | 10.40.192.220/30 | 10.40.192.221 – 10.40.192.222 | 10.40.192.223 |
| 57 | 10.40.192.224/30 | 10.40.192.225 – 10.40.192.226 | 10.40.192.227 |
| 58 | 10.40.192.228/30 | 10.40.192.229 – 10.40.192.230 | 10.40.192.231 |
| 59 | 10.40.192.232/30 | 10.40.192.233 – 10.40.192.234 | 10.40.192.235 |
| 60 | 10.40.192.236/30 | 10.40.192.237 – 10.40.192.238 | 10.40.192.239 |
| 61 | 10.40.192.240/30 | 10.40.192.241 – 10.40.192.242 | 10.40.192.243 |
| 62 | 10.40.192.244/30 | 10.40.192.245 – 10.40.192.246 | 10.40.192.247 |
| 63 | 10.40.192.248/30 | 10.40.192.249 – 10.40.192.250 | 10.40.192.251 |
| 64 | 10.40.192.252/30 | 10.40.192.253 – 10.40.192.254 | 10.40.192.255 |
| 65 | 10.40.193.0/30 | 10.40.193.1 – 10.40.193.2 | 10.40.193.3 |
| 66 | 10.40.193.4/30 | 10.40.193.5 – 10.40.193.6 | 10.40.193.7 |
| 67 | 10.40.193.8/30 | 10.40.193.9 – 10.40.193.10 | 10.40.193.11 |
| 68 | 10.40.193.12/30 | 10.40.193.13 – 10.40.193.14 | 10.40.193.15 |
| 69 | 10.40.193.16/30 | 10.40.193.17 – 10.40.193.18 | 10.40.193.19 |
| 70 | 10.40.193.20/30 | 10.40.193.21 – 10.40.193.22 | 10.40.193.23 |
| 71 | 10.40.193.24/30 | 10.40.193.25 – 10.40.193.26 | 10.40.193.27 |
| 72 | 10.40.193.28/30 | 10.40.193.29 – 10.40.193.30 | 10.40.193.31 |
| 73 | 10.40.193.32/30 | 10.40.193.33 – 10.40.193.34 | 10.40.193.35 |
| 74 | 10.40.193.36/30 | 10.40.193.37 – 10.40.193.38 | 10.40.193.39 |
| 75 | 10.40.193.40/30 | 10.40.193.41 – 10.40.193.42 | 10.40.193.43 |
| 76 | 10.40.193.44/30 | 10.40.193.45 – 10.40.193.46 | 10.40.193.47 |
| 77 | 10.40.193.48/30 | 10.40.193.49 – 10.40.193.50 | 10.40.193.51 |
| 78 | 10.40.193.52/30 | 10.40.193.53 – 10.40.193.54 | 10.40.193.55 |
| 79 | 10.40.193.56/30 | 10.40.193.57 – 10.40.193.58 | 10.40.193.59 |
| 80 | 10.40.193.60/30 | 10.40.193.61 – 10.40.193.62 | 10.40.193.63 |
| 81 | 10.40.193.64/30 | 10.40.193.65 – 10.40.193.66 | 10.40.193.67 |
| 82 | 10.40.193.68/30 | 10.40.193.69 – 10.40.193.70 | 10.40.193.71 |
| 83 | 10.40.193.72/30 | 10.40.193.73 – 10.40.193.74 | 10.40.193.75 |
| 84 | 10.40.193.76/30 | 10.40.193.77 – 10.40.193.78 | 10.40.193.79 |
| 85 | 10.40.193.80/30 | 10.40.193.81 – 10.40.193.82 | 10.40.193.83 |
| 86 | 10.40.193.84/30 | 10.40.193.85 – 10.40.193.86 | 10.40.193.87 |
| 87 | 10.40.193.88/30 | 10.40.193.89 – 10.40.193.90 | 10.40.193.91 |
| 88 | 10.40.193.92/30 | 10.40.193.93 – 10.40.193.94 | 10.40.193.95 |
| 89 | 10.40.193.96/30 | 10.40.193.97 – 10.40.193.98 | 10.40.193.99 |
| 90 | 10.40.193.100/30 | 10.40.193.101 – 10.40.193.102 | 10.40.193.103 |
| 91 | 10.40.193.104/30 | 10.40.193.105 – 10.40.193.106 | 10.40.193.107 |
| 92 | 10.40.193.108/30 | 10.40.193.109 – 10.40.193.110 | 10.40.193.111 |
| 93 | 10.40.193.112/30 | 10.40.193.113 – 10.40.193.114 | 10.40.193.115 |
| 94 | 10.40.193.116/30 | 10.40.193.117 – 10.40.193.118 | 10.40.193.119 |
| 95 | 10.40.193.120/30 | 10.40.193.121 – 10.40.193.122 | 10.40.193.123 |
| 96 | 10.40.193.124/30 | 10.40.193.125 – 10.40.193.126 | 10.40.193.127 |
| 97 | 10.40.193.128/30 | 10.40.193.129 – 10.40.193.130 | 10.40.193.131 |
| 98 | 10.40.193.132/30 | 10.40.193.133 – 10.40.193.134 | 10.40.193.135 |
| 99 | 10.40.193.136/30 | 10.40.193.137 – 10.40.193.138 | 10.40.193.139 |
| 100 | 10.40.193.140/30 | 10.40.193.141 – 10.40.193.142 | 10.40.193.143 |
| 101 | 10.40.193.144/30 | 10.40.193.145 – 10.40.193.146 | 10.40.193.147 |
| 102 | 10.40.193.148/30 | 10.40.193.149 – 10.40.193.150 | 10.40.193.151 |
| 103 | 10.40.193.152/30 | 10.40.193.153 – 10.40.193.154 | 10.40.193.155 |
| 104 | 10.40.193.156/30 | 10.40.193.157 – 10.40.193.158 | 10.40.193.159 |
| 105 | 10.40.193.160/30 | 10.40.193.161 – 10.40.193.162 | 10.40.193.163 |
| 106 | 10.40.193.164/30 | 10.40.193.165 – 10.40.193.166 | 10.40.193.167 |
| 107 | 10.40.193.168/30 | 10.40.193.169 – 10.40.193.170 | 10.40.193.171 |
| 108 | 10.40.193.172/30 | 10.40.193.173 – 10.40.193.174 | 10.40.193.175 |
| 109 | 10.40.193.176/30 | 10.40.193.177 – 10.40.193.178 | 10.40.193.179 |
| 110 | 10.40.193.180/30 | 10.40.193.181 – 10.40.193.182 | 10.40.193.183 |
| 111 | 10.40.193.184/30 | 10.40.193.185 – 10.40.193.186 | 10.40.193.187 |
| 112 | 10.40.193.188/30 | 10.40.193.189 – 10.40.193.190 | 10.40.193.191 |
| 113 | 10.40.193.192/30 | 10.40.193.193 – 10.40.193.194 | 10.40.193.195 |
| 114 | 10.40.193.196/30 | 10.40.193.197 – 10.40.193.198 | 10.40.193.199 |
| 115 | 10.40.193.200/30 | 10.40.193.201 – 10.40.193.202 | 10.40.193.203 |
| 116 | 10.40.193.204/30 | 10.40.193.205 – 10.40.193.206 | 10.40.193.207 |
| 117 | 10.40.193.208/30 | 10.40.193.209 – 10.40.193.210 | 10.40.193.211 |
| 118 | 10.40.193.212/30 | 10.40.193.213 – 10.40.193.214 | 10.40.193.215 |
| 119 | 10.40.193.216/30 | 10.40.193.217 – 10.40.193.218 | 10.40.193.219 |
| 120 | 10.40.193.220/30 | 10.40.193.221 – 10.40.193.222 | 10.40.193.223 |
| 121 | 10.40.193.224/30 | 10.40.193.225 – 10.40.193.226 | 10.40.193.227 |
| 122 | 10.40.193.228/30 | 10.40.193.229 – 10.40.193.230 | 10.40.193.231 |
| 123 | 10.40.193.232/30 | 10.40.193.233 – 10.40.193.234 | 10.40.193.235 |
| 124 | 10.40.193.236/30 | 10.40.193.237 – 10.40.193.238 | 10.40.193.239 |
| 125 | 10.40.193.240/30 | 10.40.193.241 – 10.40.193.242 | 10.40.193.243 |
| 126 | 10.40.193.244/30 | 10.40.193.245 – 10.40.193.246 | 10.40.193.247 |
| 127 | 10.40.193.248/30 | 10.40.193.249 – 10.40.193.250 | 10.40.193.251 |
| 128 | 10.40.193.252/30 | 10.40.193.253 – 10.40.193.254 | 10.40.193.255 |
| 129 | 10.40.194.0/30 | 10.40.194.1 – 10.40.194.2 | 10.40.194.3 |
| 130 | 10.40.194.4/30 | 10.40.194.5 – 10.40.194.6 | 10.40.194.7 |
| 131 | 10.40.194.8/30 | 10.40.194.9 – 10.40.194.10 | 10.40.194.11 |
| 132 | 10.40.194.12/30 | 10.40.194.13 – 10.40.194.14 | 10.40.194.15 |
| 133 | 10.40.194.16/30 | 10.40.194.17 – 10.40.194.18 | 10.40.194.19 |
| 134 | 10.40.194.20/30 | 10.40.194.21 – 10.40.194.22 | 10.40.194.23 |
| 135 | 10.40.194.24/30 | 10.40.194.25 – 10.40.194.26 | 10.40.194.27 |
| 136 | 10.40.194.28/30 | 10.40.194.29 – 10.40.194.30 | 10.40.194.31 |
| 137 | 10.40.194.32/30 | 10.40.194.33 – 10.40.194.34 | 10.40.194.35 |
| 138 | 10.40.194.36/30 | 10.40.194.37 – 10.40.194.38 | 10.40.194.39 |
| 139 | 10.40.194.40/30 | 10.40.194.41 – 10.40.194.42 | 10.40.194.43 |
| 140 | 10.40.194.44/30 | 10.40.194.45 – 10.40.194.46 | 10.40.194.47 |
| 141 | 10.40.194.48/30 | 10.40.194.49 – 10.40.194.50 | 10.40.194.51 |
| 142 | 10.40.194.52/30 | 10.40.194.53 – 10.40.194.54 | 10.40.194.55 |
| 143 | 10.40.194.56/30 | 10.40.194.57 – 10.40.194.58 | 10.40.194.59 |
| 144 | 10.40.194.60/30 | 10.40.194.61 – 10.40.194.62 | 10.40.194.63 |
| 145 | 10.40.194.64/30 | 10.40.194.65 – 10.40.194.66 | 10.40.194.67 |
| 146 | 10.40.194.68/30 | 10.40.194.69 – 10.40.194.70 | 10.40.194.71 |
| 147 | 10.40.194.72/30 | 10.40.194.73 – 10.40.194.74 | 10.40.194.75 |
| 148 | 10.40.194.76/30 | 10.40.194.77 – 10.40.194.78 | 10.40.194.79 |
| 149 | 10.40.194.80/30 | 10.40.194.81 – 10.40.194.82 | 10.40.194.83 |
| 150 | 10.40.194.84/30 | 10.40.194.85 – 10.40.194.86 | 10.40.194.87 |
| 151 | 10.40.194.88/30 | 10.40.194.89 – 10.40.194.90 | 10.40.194.91 |
| 152 | 10.40.194.92/30 | 10.40.194.93 – 10.40.194.94 | 10.40.194.95 |
| 153 | 10.40.194.96/30 | 10.40.194.97 – 10.40.194.98 | 10.40.194.99 |
| 154 | 10.40.194.100/30 | 10.40.194.101 – 10.40.194.102 | 10.40.194.103 |
| 155 | 10.40.194.104/30 | 10.40.194.105 – 10.40.194.106 | 10.40.194.107 |
| 156 | 10.40.194.108/30 | 10.40.194.109 – 10.40.194.110 | 10.40.194.111 |
| 157 | 10.40.194.112/30 | 10.40.194.113 – 10.40.194.114 | 10.40.194.115 |
| 158 | 10.40.194.116/30 | 10.40.194.117 – 10.40.194.118 | 10.40.194.119 |
| 159 | 10.40.194.120/30 | 10.40.194.121 – 10.40.194.122 | 10.40.194.123 |
| 160 | 10.40.194.124/30 | 10.40.194.125 – 10.40.194.126 | 10.40.194.127 |
| 161 | 10.40.194.128/30 | 10.40.194.129 – 10.40.194.130 | 10.40.194.131 |
| 162 | 10.40.194.132/30 | 10.40.194.133 – 10.40.194.134 | 10.40.194.135 |
| 163 | 10.40.194.136/30 | 10.40.194.137 – 10.40.194.138 | 10.40.194.139 |
| 164 | 10.40.194.140/30 | 10.40.194.141 – 10.40.194.142 | 10.40.194.143 |
| 165 | 10.40.194.144/30 | 10.40.194.145 – 10.40.194.146 | 10.40.194.147 |
| 166 | 10.40.194.148/30 | 10.40.194.149 – 10.40.194.150 | 10.40.194.151 |
| 167 | 10.40.194.152/30 | 10.40.194.153 – 10.40.194.154 | 10.40.194.155 |
| 168 | 10.40.194.156/30 | 10.40.194.157 – 10.40.194.158 | 10.40.194.159 |
| 169 | 10.40.194.160/30 | 10.40.194.161 – 10.40.194.162 | 10.40.194.163 |
| 170 | 10.40.194.164/30 | 10.40.194.165 – 10.40.194.166 | 10.40.194.167 |
| 171 | 10.40.194.168/30 | 10.40.194.169 – 10.40.194.170 | 10.40.194.171 |
| 172 | 10.40.194.172/30 | 10.40.194.173 – 10.40.194.174 | 10.40.194.175 |
| 173 | 10.40.194.176/30 | 10.40.194.177 – 10.40.194.178 | 10.40.194.179 |
| 174 | 10.40.194.180/30 | 10.40.194.181 – 10.40.194.182 | 10.40.194.183 |
| 175 | 10.40.194.184/30 | 10.40.194.185 – 10.40.194.186 | 10.40.194.187 |
| 176 | 10.40.194.188/30 | 10.40.194.189 – 10.40.194.190 | 10.40.194.191 |
| 177 | 10.40.194.192/30 | 10.40.194.193 – 10.40.194.194 | 10.40.194.195 |
| 178 | 10.40.194.196/30 | 10.40.194.197 – 10.40.194.198 | 10.40.194.199 |
| 179 | 10.40.194.200/30 | 10.40.194.201 – 10.40.194.202 | 10.40.194.203 |
| 180 | 10.40.194.204/30 | 10.40.194.205 – 10.40.194.206 | 10.40.194.207 |
| 181 | 10.40.194.208/30 | 10.40.194.209 – 10.40.194.210 | 10.40.194.211 |
| 182 | 10.40.194.212/30 | 10.40.194.213 – 10.40.194.214 | 10.40.194.215 |
| 183 | 10.40.194.216/30 | 10.40.194.217 – 10.40.194.218 | 10.40.194.219 |
| 184 | 10.40.194.220/30 | 10.40.194.221 – 10.40.194.222 | 10.40.194.223 |
| 185 | 10.40.194.224/30 | 10.40.194.225 – 10.40.194.226 | 10.40.194.227 |
| 186 | 10.40.194.228/30 | 10.40.194.229 – 10.40.194.230 | 10.40.194.231 |
| 187 | 10.40.194.232/30 | 10.40.194.233 – 10.40.194.234 | 10.40.194.235 |
| 188 | 10.40.194.236/30 | 10.40.194.237 – 10.40.194.238 | 10.40.194.239 |
| 189 | 10.40.194.240/30 | 10.40.194.241 – 10.40.194.242 | 10.40.194.243 |
| 190 | 10.40.194.244/30 | 10.40.194.245 – 10.40.194.246 | 10.40.194.247 |
| 191 | 10.40.194.248/30 | 10.40.194.249 – 10.40.194.250 | 10.40.194.251 |
| 192 | 10.40.194.252/30 | 10.40.194.253 – 10.40.194.254 | 10.40.194.255 |
| 193 | 10.40.195.0/30 | 10.40.195.1 – 10.40.195.2 | 10.40.195.3 |
| 194 | 10.40.195.4/30 | 10.40.195.5 – 10.40.195.6 | 10.40.195.7 |
| 195 | 10.40.195.8/30 | 10.40.195.9 – 10.40.195.10 | 10.40.195.11 |
| 196 | 10.40.195.12/30 | 10.40.195.13 – 10.40.195.14 | 10.40.195.15 |
| 197 | 10.40.195.16/30 | 10.40.195.17 – 10.40.195.18 | 10.40.195.19 |
| 198 | 10.40.195.20/30 | 10.40.195.21 – 10.40.195.22 | 10.40.195.23 |
| 199 | 10.40.195.24/30 | 10.40.195.25 – 10.40.195.26 | 10.40.195.27 |
| 200 | 10.40.195.28/30 | 10.40.195.29 – 10.40.195.30 | 10.40.195.31 |
| 201 | 10.40.195.32/30 | 10.40.195.33 – 10.40.195.34 | 10.40.195.35 |
| 202 | 10.40.195.36/30 | 10.40.195.37 – 10.40.195.38 | 10.40.195.39 |
| 203 | 10.40.195.40/30 | 10.40.195.41 – 10.40.195.42 | 10.40.195.43 |
| 204 | 10.40.195.44/30 | 10.40.195.45 – 10.40.195.46 | 10.40.195.47 |
| 205 | 10.40.195.48/30 | 10.40.195.49 – 10.40.195.50 | 10.40.195.51 |
| 206 | 10.40.195.52/30 | 10.40.195.53 – 10.40.195.54 | 10.40.195.55 |
| 207 | 10.40.195.56/30 | 10.40.195.57 – 10.40.195.58 | 10.40.195.59 |
| 208 | 10.40.195.60/30 | 10.40.195.61 – 10.40.195.62 | 10.40.195.63 |
| 209 | 10.40.195.64/30 | 10.40.195.65 – 10.40.195.66 | 10.40.195.67 |
| 210 | 10.40.195.68/30 | 10.40.195.69 – 10.40.195.70 | 10.40.195.71 |
| 211 | 10.40.195.72/30 | 10.40.195.73 – 10.40.195.74 | 10.40.195.75 |
| 212 | 10.40.195.76/30 | 10.40.195.77 – 10.40.195.78 | 10.40.195.79 |
| 213 | 10.40.195.80/30 | 10.40.195.81 – 10.40.195.82 | 10.40.195.83 |
| 214 | 10.40.195.84/30 | 10.40.195.85 – 10.40.195.86 | 10.40.195.87 |
| 215 | 10.40.195.88/30 | 10.40.195.89 – 10.40.195.90 | 10.40.195.91 |
| 216 | 10.40.195.92/30 | 10.40.195.93 – 10.40.195.94 | 10.40.195.95 |
| 217 | 10.40.195.96/30 | 10.40.195.97 – 10.40.195.98 | 10.40.195.99 |
| 218 | 10.40.195.100/30 | 10.40.195.101 – 10.40.195.102 | 10.40.195.103 |
| 219 | 10.40.195.104/30 | 10.40.195.105 – 10.40.195.106 | 10.40.195.107 |
| 220 | 10.40.195.108/30 | 10.40.195.109 – 10.40.195.110 | 10.40.195.111 |
| 221 | 10.40.195.112/30 | 10.40.195.113 – 10.40.195.114 | 10.40.195.115 |
| 222 | 10.40.195.116/30 | 10.40.195.117 – 10.40.195.118 | 10.40.195.119 |
| 223 | 10.40.195.120/30 | 10.40.195.121 – 10.40.195.122 | 10.40.195.123 |
| 224 | 10.40.195.124/30 | 10.40.195.125 – 10.40.195.126 | 10.40.195.127 |
| 225 | 10.40.195.128/30 | 10.40.195.129 – 10.40.195.130 | 10.40.195.131 |
| 226 | 10.40.195.132/30 | 10.40.195.133 – 10.40.195.134 | 10.40.195.135 |
| 227 | 10.40.195.136/30 | 10.40.195.137 – 10.40.195.138 | 10.40.195.139 |
| 228 | 10.40.195.140/30 | 10.40.195.141 – 10.40.195.142 | 10.40.195.143 |
| 229 | 10.40.195.144/30 | 10.40.195.145 – 10.40.195.146 | 10.40.195.147 |
| 230 | 10.40.195.148/30 | 10.40.195.149 – 10.40.195.150 | 10.40.195.151 |
| 231 | 10.40.195.152/30 | 10.40.195.153 – 10.40.195.154 | 10.40.195.155 |
| 232 | 10.40.195.156/30 | 10.40.195.157 – 10.40.195.158 | 10.40.195.159 |
| 233 | 10.40.195.160/30 | 10.40.195.161 – 10.40.195.162 | 10.40.195.163 |
| 234 | 10.40.195.164/30 | 10.40.195.165 – 10.40.195.166 | 10.40.195.167 |
| 235 | 10.40.195.168/30 | 10.40.195.169 – 10.40.195.170 | 10.40.195.171 |
| 236 | 10.40.195.172/30 | 10.40.195.173 – 10.40.195.174 | 10.40.195.175 |
| 237 | 10.40.195.176/30 | 10.40.195.177 – 10.40.195.178 | 10.40.195.179 |
| 238 | 10.40.195.180/30 | 10.40.195.181 – 10.40.195.182 | 10.40.195.183 |
| 239 | 10.40.195.184/30 | 10.40.195.185 – 10.40.195.186 | 10.40.195.187 |
| 240 | 10.40.195.188/30 | 10.40.195.189 – 10.40.195.190 | 10.40.195.191 |
| 241 | 10.40.195.192/30 | 10.40.195.193 – 10.40.195.194 | 10.40.195.195 |
| 242 | 10.40.195.196/30 | 10.40.195.197 – 10.40.195.198 | 10.40.195.199 |
| 243 | 10.40.195.200/30 | 10.40.195.201 – 10.40.195.202 | 10.40.195.203 |
| 244 | 10.40.195.204/30 | 10.40.195.205 – 10.40.195.206 | 10.40.195.207 |
| 245 | 10.40.195.208/30 | 10.40.195.209 – 10.40.195.210 | 10.40.195.211 |
| 246 | 10.40.195.212/30 | 10.40.195.213 – 10.40.195.214 | 10.40.195.215 |
| 247 | 10.40.195.216/30 | 10.40.195.217 – 10.40.195.218 | 10.40.195.219 |
| 248 | 10.40.195.220/30 | 10.40.195.221 – 10.40.195.222 | 10.40.195.223 |
| 249 | 10.40.195.224/30 | 10.40.195.225 – 10.40.195.226 | 10.40.195.227 |
| 250 | 10.40.195.228/30 | 10.40.195.229 – 10.40.195.230 | 10.40.195.231 |
| 251 | 10.40.195.232/30 | 10.40.195.233 – 10.40.195.234 | 10.40.195.235 |
| 252 | 10.40.195.236/30 | 10.40.195.237 – 10.40.195.238 | 10.40.195.239 |
| 253 | 10.40.195.240/30 | 10.40.195.241 – 10.40.195.242 | 10.40.195.243 |
| 254 | 10.40.195.244/30 | 10.40.195.245 – 10.40.195.246 | 10.40.195.247 |
| 255 | 10.40.195.248/30 | 10.40.195.249 – 10.40.195.250 | 10.40.195.251 |
| 256 | 10.40.195.252/30 | 10.40.195.253 – 10.40.195.254 | 10.40.195.255 |
showing 256 of 4,096
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 /18 |
|---|---|---|---|---|
| /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 | 1 |
| /19 | 255.255.224.0 | 8,192 | 8,190 | 2 split → |
| /20 | 255.255.240.0 | 4,096 | 4,094 | 4 split → |
| /21 | 255.255.248.0 | 2,048 | 2,046 | 8 split → |
| /22 | 255.255.252.0 | 1,024 | 1,022 | 16 split → |
| /23 | 255.255.254.0 | 512 | 510 | 32 split → |
| /24 | 255.255.255.0 | 256 | 254 | 64 split → |
| /25 | 255.255.255.128 | 128 | 126 | 128 split → |
| /26 | 255.255.255.192 | 64 | 62 | 256 split → |
| /27 | 255.255.255.224 | 32 | 30 | 512 split → |
| /28 | 255.255.255.240 | 16 | 14 | 1,024 split → |
| /29 | 255.255.255.248 | 8 | 6 | 2,048 split → |
| /30 | 255.255.255.252 | 4 | 2 | 4,096 split → |
| /31 | 255.255.255.254 | 2 | 2 | 8,192 split → |
| /32 | 255.255.255.255 | 1 | 1 | 16,384 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.