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)10.167.56.0/21
network10.167.56.0/21
broadcast10.167.63.255
first host10.167.56.1
last host10.167.63.254
subnet mask255.255.248.0
wildcard0.0.7.255
addresses2,048
usable hosts2,046
classA
ipcalc 10.167.56.0/21
address00001010.10100111.00111000.00000000
subnet mask11111111.11111111.11111000.00000000
network00001010.10100111.00111000.00000000
broadcast00001010.10100111.00111111.11111111
green = network part, grey = host part
hex0x0aa73800
decimal178731008
reverse dns0.56.167.10.in-addr.arpa
ipv4-mapped::ffff:aa7:3800
/21 split into /30 · 512 subnets
close ×| # | network | host range | broadcast |
|---|---|---|---|
| 1 | 10.167.56.0/30 | 10.167.56.1 – 10.167.56.2 | 10.167.56.3 |
| 2 | 10.167.56.4/30 | 10.167.56.5 – 10.167.56.6 | 10.167.56.7 |
| 3 | 10.167.56.8/30 | 10.167.56.9 – 10.167.56.10 | 10.167.56.11 |
| 4 | 10.167.56.12/30 | 10.167.56.13 – 10.167.56.14 | 10.167.56.15 |
| 5 | 10.167.56.16/30 | 10.167.56.17 – 10.167.56.18 | 10.167.56.19 |
| 6 | 10.167.56.20/30 | 10.167.56.21 – 10.167.56.22 | 10.167.56.23 |
| 7 | 10.167.56.24/30 | 10.167.56.25 – 10.167.56.26 | 10.167.56.27 |
| 8 | 10.167.56.28/30 | 10.167.56.29 – 10.167.56.30 | 10.167.56.31 |
| 9 | 10.167.56.32/30 | 10.167.56.33 – 10.167.56.34 | 10.167.56.35 |
| 10 | 10.167.56.36/30 | 10.167.56.37 – 10.167.56.38 | 10.167.56.39 |
| 11 | 10.167.56.40/30 | 10.167.56.41 – 10.167.56.42 | 10.167.56.43 |
| 12 | 10.167.56.44/30 | 10.167.56.45 – 10.167.56.46 | 10.167.56.47 |
| 13 | 10.167.56.48/30 | 10.167.56.49 – 10.167.56.50 | 10.167.56.51 |
| 14 | 10.167.56.52/30 | 10.167.56.53 – 10.167.56.54 | 10.167.56.55 |
| 15 | 10.167.56.56/30 | 10.167.56.57 – 10.167.56.58 | 10.167.56.59 |
| 16 | 10.167.56.60/30 | 10.167.56.61 – 10.167.56.62 | 10.167.56.63 |
| 17 | 10.167.56.64/30 | 10.167.56.65 – 10.167.56.66 | 10.167.56.67 |
| 18 | 10.167.56.68/30 | 10.167.56.69 – 10.167.56.70 | 10.167.56.71 |
| 19 | 10.167.56.72/30 | 10.167.56.73 – 10.167.56.74 | 10.167.56.75 |
| 20 | 10.167.56.76/30 | 10.167.56.77 – 10.167.56.78 | 10.167.56.79 |
| 21 | 10.167.56.80/30 | 10.167.56.81 – 10.167.56.82 | 10.167.56.83 |
| 22 | 10.167.56.84/30 | 10.167.56.85 – 10.167.56.86 | 10.167.56.87 |
| 23 | 10.167.56.88/30 | 10.167.56.89 – 10.167.56.90 | 10.167.56.91 |
| 24 | 10.167.56.92/30 | 10.167.56.93 – 10.167.56.94 | 10.167.56.95 |
| 25 | 10.167.56.96/30 | 10.167.56.97 – 10.167.56.98 | 10.167.56.99 |
| 26 | 10.167.56.100/30 | 10.167.56.101 – 10.167.56.102 | 10.167.56.103 |
| 27 | 10.167.56.104/30 | 10.167.56.105 – 10.167.56.106 | 10.167.56.107 |
| 28 | 10.167.56.108/30 | 10.167.56.109 – 10.167.56.110 | 10.167.56.111 |
| 29 | 10.167.56.112/30 | 10.167.56.113 – 10.167.56.114 | 10.167.56.115 |
| 30 | 10.167.56.116/30 | 10.167.56.117 – 10.167.56.118 | 10.167.56.119 |
| 31 | 10.167.56.120/30 | 10.167.56.121 – 10.167.56.122 | 10.167.56.123 |
| 32 | 10.167.56.124/30 | 10.167.56.125 – 10.167.56.126 | 10.167.56.127 |
| 33 | 10.167.56.128/30 | 10.167.56.129 – 10.167.56.130 | 10.167.56.131 |
| 34 | 10.167.56.132/30 | 10.167.56.133 – 10.167.56.134 | 10.167.56.135 |
| 35 | 10.167.56.136/30 | 10.167.56.137 – 10.167.56.138 | 10.167.56.139 |
| 36 | 10.167.56.140/30 | 10.167.56.141 – 10.167.56.142 | 10.167.56.143 |
| 37 | 10.167.56.144/30 | 10.167.56.145 – 10.167.56.146 | 10.167.56.147 |
| 38 | 10.167.56.148/30 | 10.167.56.149 – 10.167.56.150 | 10.167.56.151 |
| 39 | 10.167.56.152/30 | 10.167.56.153 – 10.167.56.154 | 10.167.56.155 |
| 40 | 10.167.56.156/30 | 10.167.56.157 – 10.167.56.158 | 10.167.56.159 |
| 41 | 10.167.56.160/30 | 10.167.56.161 – 10.167.56.162 | 10.167.56.163 |
| 42 | 10.167.56.164/30 | 10.167.56.165 – 10.167.56.166 | 10.167.56.167 |
| 43 | 10.167.56.168/30 | 10.167.56.169 – 10.167.56.170 | 10.167.56.171 |
| 44 | 10.167.56.172/30 | 10.167.56.173 – 10.167.56.174 | 10.167.56.175 |
| 45 | 10.167.56.176/30 | 10.167.56.177 – 10.167.56.178 | 10.167.56.179 |
| 46 | 10.167.56.180/30 | 10.167.56.181 – 10.167.56.182 | 10.167.56.183 |
| 47 | 10.167.56.184/30 | 10.167.56.185 – 10.167.56.186 | 10.167.56.187 |
| 48 | 10.167.56.188/30 | 10.167.56.189 – 10.167.56.190 | 10.167.56.191 |
| 49 | 10.167.56.192/30 | 10.167.56.193 – 10.167.56.194 | 10.167.56.195 |
| 50 | 10.167.56.196/30 | 10.167.56.197 – 10.167.56.198 | 10.167.56.199 |
| 51 | 10.167.56.200/30 | 10.167.56.201 – 10.167.56.202 | 10.167.56.203 |
| 52 | 10.167.56.204/30 | 10.167.56.205 – 10.167.56.206 | 10.167.56.207 |
| 53 | 10.167.56.208/30 | 10.167.56.209 – 10.167.56.210 | 10.167.56.211 |
| 54 | 10.167.56.212/30 | 10.167.56.213 – 10.167.56.214 | 10.167.56.215 |
| 55 | 10.167.56.216/30 | 10.167.56.217 – 10.167.56.218 | 10.167.56.219 |
| 56 | 10.167.56.220/30 | 10.167.56.221 – 10.167.56.222 | 10.167.56.223 |
| 57 | 10.167.56.224/30 | 10.167.56.225 – 10.167.56.226 | 10.167.56.227 |
| 58 | 10.167.56.228/30 | 10.167.56.229 – 10.167.56.230 | 10.167.56.231 |
| 59 | 10.167.56.232/30 | 10.167.56.233 – 10.167.56.234 | 10.167.56.235 |
| 60 | 10.167.56.236/30 | 10.167.56.237 – 10.167.56.238 | 10.167.56.239 |
| 61 | 10.167.56.240/30 | 10.167.56.241 – 10.167.56.242 | 10.167.56.243 |
| 62 | 10.167.56.244/30 | 10.167.56.245 – 10.167.56.246 | 10.167.56.247 |
| 63 | 10.167.56.248/30 | 10.167.56.249 – 10.167.56.250 | 10.167.56.251 |
| 64 | 10.167.56.252/30 | 10.167.56.253 – 10.167.56.254 | 10.167.56.255 |
| 65 | 10.167.57.0/30 | 10.167.57.1 – 10.167.57.2 | 10.167.57.3 |
| 66 | 10.167.57.4/30 | 10.167.57.5 – 10.167.57.6 | 10.167.57.7 |
| 67 | 10.167.57.8/30 | 10.167.57.9 – 10.167.57.10 | 10.167.57.11 |
| 68 | 10.167.57.12/30 | 10.167.57.13 – 10.167.57.14 | 10.167.57.15 |
| 69 | 10.167.57.16/30 | 10.167.57.17 – 10.167.57.18 | 10.167.57.19 |
| 70 | 10.167.57.20/30 | 10.167.57.21 – 10.167.57.22 | 10.167.57.23 |
| 71 | 10.167.57.24/30 | 10.167.57.25 – 10.167.57.26 | 10.167.57.27 |
| 72 | 10.167.57.28/30 | 10.167.57.29 – 10.167.57.30 | 10.167.57.31 |
| 73 | 10.167.57.32/30 | 10.167.57.33 – 10.167.57.34 | 10.167.57.35 |
| 74 | 10.167.57.36/30 | 10.167.57.37 – 10.167.57.38 | 10.167.57.39 |
| 75 | 10.167.57.40/30 | 10.167.57.41 – 10.167.57.42 | 10.167.57.43 |
| 76 | 10.167.57.44/30 | 10.167.57.45 – 10.167.57.46 | 10.167.57.47 |
| 77 | 10.167.57.48/30 | 10.167.57.49 – 10.167.57.50 | 10.167.57.51 |
| 78 | 10.167.57.52/30 | 10.167.57.53 – 10.167.57.54 | 10.167.57.55 |
| 79 | 10.167.57.56/30 | 10.167.57.57 – 10.167.57.58 | 10.167.57.59 |
| 80 | 10.167.57.60/30 | 10.167.57.61 – 10.167.57.62 | 10.167.57.63 |
| 81 | 10.167.57.64/30 | 10.167.57.65 – 10.167.57.66 | 10.167.57.67 |
| 82 | 10.167.57.68/30 | 10.167.57.69 – 10.167.57.70 | 10.167.57.71 |
| 83 | 10.167.57.72/30 | 10.167.57.73 – 10.167.57.74 | 10.167.57.75 |
| 84 | 10.167.57.76/30 | 10.167.57.77 – 10.167.57.78 | 10.167.57.79 |
| 85 | 10.167.57.80/30 | 10.167.57.81 – 10.167.57.82 | 10.167.57.83 |
| 86 | 10.167.57.84/30 | 10.167.57.85 – 10.167.57.86 | 10.167.57.87 |
| 87 | 10.167.57.88/30 | 10.167.57.89 – 10.167.57.90 | 10.167.57.91 |
| 88 | 10.167.57.92/30 | 10.167.57.93 – 10.167.57.94 | 10.167.57.95 |
| 89 | 10.167.57.96/30 | 10.167.57.97 – 10.167.57.98 | 10.167.57.99 |
| 90 | 10.167.57.100/30 | 10.167.57.101 – 10.167.57.102 | 10.167.57.103 |
| 91 | 10.167.57.104/30 | 10.167.57.105 – 10.167.57.106 | 10.167.57.107 |
| 92 | 10.167.57.108/30 | 10.167.57.109 – 10.167.57.110 | 10.167.57.111 |
| 93 | 10.167.57.112/30 | 10.167.57.113 – 10.167.57.114 | 10.167.57.115 |
| 94 | 10.167.57.116/30 | 10.167.57.117 – 10.167.57.118 | 10.167.57.119 |
| 95 | 10.167.57.120/30 | 10.167.57.121 – 10.167.57.122 | 10.167.57.123 |
| 96 | 10.167.57.124/30 | 10.167.57.125 – 10.167.57.126 | 10.167.57.127 |
| 97 | 10.167.57.128/30 | 10.167.57.129 – 10.167.57.130 | 10.167.57.131 |
| 98 | 10.167.57.132/30 | 10.167.57.133 – 10.167.57.134 | 10.167.57.135 |
| 99 | 10.167.57.136/30 | 10.167.57.137 – 10.167.57.138 | 10.167.57.139 |
| 100 | 10.167.57.140/30 | 10.167.57.141 – 10.167.57.142 | 10.167.57.143 |
| 101 | 10.167.57.144/30 | 10.167.57.145 – 10.167.57.146 | 10.167.57.147 |
| 102 | 10.167.57.148/30 | 10.167.57.149 – 10.167.57.150 | 10.167.57.151 |
| 103 | 10.167.57.152/30 | 10.167.57.153 – 10.167.57.154 | 10.167.57.155 |
| 104 | 10.167.57.156/30 | 10.167.57.157 – 10.167.57.158 | 10.167.57.159 |
| 105 | 10.167.57.160/30 | 10.167.57.161 – 10.167.57.162 | 10.167.57.163 |
| 106 | 10.167.57.164/30 | 10.167.57.165 – 10.167.57.166 | 10.167.57.167 |
| 107 | 10.167.57.168/30 | 10.167.57.169 – 10.167.57.170 | 10.167.57.171 |
| 108 | 10.167.57.172/30 | 10.167.57.173 – 10.167.57.174 | 10.167.57.175 |
| 109 | 10.167.57.176/30 | 10.167.57.177 – 10.167.57.178 | 10.167.57.179 |
| 110 | 10.167.57.180/30 | 10.167.57.181 – 10.167.57.182 | 10.167.57.183 |
| 111 | 10.167.57.184/30 | 10.167.57.185 – 10.167.57.186 | 10.167.57.187 |
| 112 | 10.167.57.188/30 | 10.167.57.189 – 10.167.57.190 | 10.167.57.191 |
| 113 | 10.167.57.192/30 | 10.167.57.193 – 10.167.57.194 | 10.167.57.195 |
| 114 | 10.167.57.196/30 | 10.167.57.197 – 10.167.57.198 | 10.167.57.199 |
| 115 | 10.167.57.200/30 | 10.167.57.201 – 10.167.57.202 | 10.167.57.203 |
| 116 | 10.167.57.204/30 | 10.167.57.205 – 10.167.57.206 | 10.167.57.207 |
| 117 | 10.167.57.208/30 | 10.167.57.209 – 10.167.57.210 | 10.167.57.211 |
| 118 | 10.167.57.212/30 | 10.167.57.213 – 10.167.57.214 | 10.167.57.215 |
| 119 | 10.167.57.216/30 | 10.167.57.217 – 10.167.57.218 | 10.167.57.219 |
| 120 | 10.167.57.220/30 | 10.167.57.221 – 10.167.57.222 | 10.167.57.223 |
| 121 | 10.167.57.224/30 | 10.167.57.225 – 10.167.57.226 | 10.167.57.227 |
| 122 | 10.167.57.228/30 | 10.167.57.229 – 10.167.57.230 | 10.167.57.231 |
| 123 | 10.167.57.232/30 | 10.167.57.233 – 10.167.57.234 | 10.167.57.235 |
| 124 | 10.167.57.236/30 | 10.167.57.237 – 10.167.57.238 | 10.167.57.239 |
| 125 | 10.167.57.240/30 | 10.167.57.241 – 10.167.57.242 | 10.167.57.243 |
| 126 | 10.167.57.244/30 | 10.167.57.245 – 10.167.57.246 | 10.167.57.247 |
| 127 | 10.167.57.248/30 | 10.167.57.249 – 10.167.57.250 | 10.167.57.251 |
| 128 | 10.167.57.252/30 | 10.167.57.253 – 10.167.57.254 | 10.167.57.255 |
| 129 | 10.167.58.0/30 | 10.167.58.1 – 10.167.58.2 | 10.167.58.3 |
| 130 | 10.167.58.4/30 | 10.167.58.5 – 10.167.58.6 | 10.167.58.7 |
| 131 | 10.167.58.8/30 | 10.167.58.9 – 10.167.58.10 | 10.167.58.11 |
| 132 | 10.167.58.12/30 | 10.167.58.13 – 10.167.58.14 | 10.167.58.15 |
| 133 | 10.167.58.16/30 | 10.167.58.17 – 10.167.58.18 | 10.167.58.19 |
| 134 | 10.167.58.20/30 | 10.167.58.21 – 10.167.58.22 | 10.167.58.23 |
| 135 | 10.167.58.24/30 | 10.167.58.25 – 10.167.58.26 | 10.167.58.27 |
| 136 | 10.167.58.28/30 | 10.167.58.29 – 10.167.58.30 | 10.167.58.31 |
| 137 | 10.167.58.32/30 | 10.167.58.33 – 10.167.58.34 | 10.167.58.35 |
| 138 | 10.167.58.36/30 | 10.167.58.37 – 10.167.58.38 | 10.167.58.39 |
| 139 | 10.167.58.40/30 | 10.167.58.41 – 10.167.58.42 | 10.167.58.43 |
| 140 | 10.167.58.44/30 | 10.167.58.45 – 10.167.58.46 | 10.167.58.47 |
| 141 | 10.167.58.48/30 | 10.167.58.49 – 10.167.58.50 | 10.167.58.51 |
| 142 | 10.167.58.52/30 | 10.167.58.53 – 10.167.58.54 | 10.167.58.55 |
| 143 | 10.167.58.56/30 | 10.167.58.57 – 10.167.58.58 | 10.167.58.59 |
| 144 | 10.167.58.60/30 | 10.167.58.61 – 10.167.58.62 | 10.167.58.63 |
| 145 | 10.167.58.64/30 | 10.167.58.65 – 10.167.58.66 | 10.167.58.67 |
| 146 | 10.167.58.68/30 | 10.167.58.69 – 10.167.58.70 | 10.167.58.71 |
| 147 | 10.167.58.72/30 | 10.167.58.73 – 10.167.58.74 | 10.167.58.75 |
| 148 | 10.167.58.76/30 | 10.167.58.77 – 10.167.58.78 | 10.167.58.79 |
| 149 | 10.167.58.80/30 | 10.167.58.81 – 10.167.58.82 | 10.167.58.83 |
| 150 | 10.167.58.84/30 | 10.167.58.85 – 10.167.58.86 | 10.167.58.87 |
| 151 | 10.167.58.88/30 | 10.167.58.89 – 10.167.58.90 | 10.167.58.91 |
| 152 | 10.167.58.92/30 | 10.167.58.93 – 10.167.58.94 | 10.167.58.95 |
| 153 | 10.167.58.96/30 | 10.167.58.97 – 10.167.58.98 | 10.167.58.99 |
| 154 | 10.167.58.100/30 | 10.167.58.101 – 10.167.58.102 | 10.167.58.103 |
| 155 | 10.167.58.104/30 | 10.167.58.105 – 10.167.58.106 | 10.167.58.107 |
| 156 | 10.167.58.108/30 | 10.167.58.109 – 10.167.58.110 | 10.167.58.111 |
| 157 | 10.167.58.112/30 | 10.167.58.113 – 10.167.58.114 | 10.167.58.115 |
| 158 | 10.167.58.116/30 | 10.167.58.117 – 10.167.58.118 | 10.167.58.119 |
| 159 | 10.167.58.120/30 | 10.167.58.121 – 10.167.58.122 | 10.167.58.123 |
| 160 | 10.167.58.124/30 | 10.167.58.125 – 10.167.58.126 | 10.167.58.127 |
| 161 | 10.167.58.128/30 | 10.167.58.129 – 10.167.58.130 | 10.167.58.131 |
| 162 | 10.167.58.132/30 | 10.167.58.133 – 10.167.58.134 | 10.167.58.135 |
| 163 | 10.167.58.136/30 | 10.167.58.137 – 10.167.58.138 | 10.167.58.139 |
| 164 | 10.167.58.140/30 | 10.167.58.141 – 10.167.58.142 | 10.167.58.143 |
| 165 | 10.167.58.144/30 | 10.167.58.145 – 10.167.58.146 | 10.167.58.147 |
| 166 | 10.167.58.148/30 | 10.167.58.149 – 10.167.58.150 | 10.167.58.151 |
| 167 | 10.167.58.152/30 | 10.167.58.153 – 10.167.58.154 | 10.167.58.155 |
| 168 | 10.167.58.156/30 | 10.167.58.157 – 10.167.58.158 | 10.167.58.159 |
| 169 | 10.167.58.160/30 | 10.167.58.161 – 10.167.58.162 | 10.167.58.163 |
| 170 | 10.167.58.164/30 | 10.167.58.165 – 10.167.58.166 | 10.167.58.167 |
| 171 | 10.167.58.168/30 | 10.167.58.169 – 10.167.58.170 | 10.167.58.171 |
| 172 | 10.167.58.172/30 | 10.167.58.173 – 10.167.58.174 | 10.167.58.175 |
| 173 | 10.167.58.176/30 | 10.167.58.177 – 10.167.58.178 | 10.167.58.179 |
| 174 | 10.167.58.180/30 | 10.167.58.181 – 10.167.58.182 | 10.167.58.183 |
| 175 | 10.167.58.184/30 | 10.167.58.185 – 10.167.58.186 | 10.167.58.187 |
| 176 | 10.167.58.188/30 | 10.167.58.189 – 10.167.58.190 | 10.167.58.191 |
| 177 | 10.167.58.192/30 | 10.167.58.193 – 10.167.58.194 | 10.167.58.195 |
| 178 | 10.167.58.196/30 | 10.167.58.197 – 10.167.58.198 | 10.167.58.199 |
| 179 | 10.167.58.200/30 | 10.167.58.201 – 10.167.58.202 | 10.167.58.203 |
| 180 | 10.167.58.204/30 | 10.167.58.205 – 10.167.58.206 | 10.167.58.207 |
| 181 | 10.167.58.208/30 | 10.167.58.209 – 10.167.58.210 | 10.167.58.211 |
| 182 | 10.167.58.212/30 | 10.167.58.213 – 10.167.58.214 | 10.167.58.215 |
| 183 | 10.167.58.216/30 | 10.167.58.217 – 10.167.58.218 | 10.167.58.219 |
| 184 | 10.167.58.220/30 | 10.167.58.221 – 10.167.58.222 | 10.167.58.223 |
| 185 | 10.167.58.224/30 | 10.167.58.225 – 10.167.58.226 | 10.167.58.227 |
| 186 | 10.167.58.228/30 | 10.167.58.229 – 10.167.58.230 | 10.167.58.231 |
| 187 | 10.167.58.232/30 | 10.167.58.233 – 10.167.58.234 | 10.167.58.235 |
| 188 | 10.167.58.236/30 | 10.167.58.237 – 10.167.58.238 | 10.167.58.239 |
| 189 | 10.167.58.240/30 | 10.167.58.241 – 10.167.58.242 | 10.167.58.243 |
| 190 | 10.167.58.244/30 | 10.167.58.245 – 10.167.58.246 | 10.167.58.247 |
| 191 | 10.167.58.248/30 | 10.167.58.249 – 10.167.58.250 | 10.167.58.251 |
| 192 | 10.167.58.252/30 | 10.167.58.253 – 10.167.58.254 | 10.167.58.255 |
| 193 | 10.167.59.0/30 | 10.167.59.1 – 10.167.59.2 | 10.167.59.3 |
| 194 | 10.167.59.4/30 | 10.167.59.5 – 10.167.59.6 | 10.167.59.7 |
| 195 | 10.167.59.8/30 | 10.167.59.9 – 10.167.59.10 | 10.167.59.11 |
| 196 | 10.167.59.12/30 | 10.167.59.13 – 10.167.59.14 | 10.167.59.15 |
| 197 | 10.167.59.16/30 | 10.167.59.17 – 10.167.59.18 | 10.167.59.19 |
| 198 | 10.167.59.20/30 | 10.167.59.21 – 10.167.59.22 | 10.167.59.23 |
| 199 | 10.167.59.24/30 | 10.167.59.25 – 10.167.59.26 | 10.167.59.27 |
| 200 | 10.167.59.28/30 | 10.167.59.29 – 10.167.59.30 | 10.167.59.31 |
| 201 | 10.167.59.32/30 | 10.167.59.33 – 10.167.59.34 | 10.167.59.35 |
| 202 | 10.167.59.36/30 | 10.167.59.37 – 10.167.59.38 | 10.167.59.39 |
| 203 | 10.167.59.40/30 | 10.167.59.41 – 10.167.59.42 | 10.167.59.43 |
| 204 | 10.167.59.44/30 | 10.167.59.45 – 10.167.59.46 | 10.167.59.47 |
| 205 | 10.167.59.48/30 | 10.167.59.49 – 10.167.59.50 | 10.167.59.51 |
| 206 | 10.167.59.52/30 | 10.167.59.53 – 10.167.59.54 | 10.167.59.55 |
| 207 | 10.167.59.56/30 | 10.167.59.57 – 10.167.59.58 | 10.167.59.59 |
| 208 | 10.167.59.60/30 | 10.167.59.61 – 10.167.59.62 | 10.167.59.63 |
| 209 | 10.167.59.64/30 | 10.167.59.65 – 10.167.59.66 | 10.167.59.67 |
| 210 | 10.167.59.68/30 | 10.167.59.69 – 10.167.59.70 | 10.167.59.71 |
| 211 | 10.167.59.72/30 | 10.167.59.73 – 10.167.59.74 | 10.167.59.75 |
| 212 | 10.167.59.76/30 | 10.167.59.77 – 10.167.59.78 | 10.167.59.79 |
| 213 | 10.167.59.80/30 | 10.167.59.81 – 10.167.59.82 | 10.167.59.83 |
| 214 | 10.167.59.84/30 | 10.167.59.85 – 10.167.59.86 | 10.167.59.87 |
| 215 | 10.167.59.88/30 | 10.167.59.89 – 10.167.59.90 | 10.167.59.91 |
| 216 | 10.167.59.92/30 | 10.167.59.93 – 10.167.59.94 | 10.167.59.95 |
| 217 | 10.167.59.96/30 | 10.167.59.97 – 10.167.59.98 | 10.167.59.99 |
| 218 | 10.167.59.100/30 | 10.167.59.101 – 10.167.59.102 | 10.167.59.103 |
| 219 | 10.167.59.104/30 | 10.167.59.105 – 10.167.59.106 | 10.167.59.107 |
| 220 | 10.167.59.108/30 | 10.167.59.109 – 10.167.59.110 | 10.167.59.111 |
| 221 | 10.167.59.112/30 | 10.167.59.113 – 10.167.59.114 | 10.167.59.115 |
| 222 | 10.167.59.116/30 | 10.167.59.117 – 10.167.59.118 | 10.167.59.119 |
| 223 | 10.167.59.120/30 | 10.167.59.121 – 10.167.59.122 | 10.167.59.123 |
| 224 | 10.167.59.124/30 | 10.167.59.125 – 10.167.59.126 | 10.167.59.127 |
| 225 | 10.167.59.128/30 | 10.167.59.129 – 10.167.59.130 | 10.167.59.131 |
| 226 | 10.167.59.132/30 | 10.167.59.133 – 10.167.59.134 | 10.167.59.135 |
| 227 | 10.167.59.136/30 | 10.167.59.137 – 10.167.59.138 | 10.167.59.139 |
| 228 | 10.167.59.140/30 | 10.167.59.141 – 10.167.59.142 | 10.167.59.143 |
| 229 | 10.167.59.144/30 | 10.167.59.145 – 10.167.59.146 | 10.167.59.147 |
| 230 | 10.167.59.148/30 | 10.167.59.149 – 10.167.59.150 | 10.167.59.151 |
| 231 | 10.167.59.152/30 | 10.167.59.153 – 10.167.59.154 | 10.167.59.155 |
| 232 | 10.167.59.156/30 | 10.167.59.157 – 10.167.59.158 | 10.167.59.159 |
| 233 | 10.167.59.160/30 | 10.167.59.161 – 10.167.59.162 | 10.167.59.163 |
| 234 | 10.167.59.164/30 | 10.167.59.165 – 10.167.59.166 | 10.167.59.167 |
| 235 | 10.167.59.168/30 | 10.167.59.169 – 10.167.59.170 | 10.167.59.171 |
| 236 | 10.167.59.172/30 | 10.167.59.173 – 10.167.59.174 | 10.167.59.175 |
| 237 | 10.167.59.176/30 | 10.167.59.177 – 10.167.59.178 | 10.167.59.179 |
| 238 | 10.167.59.180/30 | 10.167.59.181 – 10.167.59.182 | 10.167.59.183 |
| 239 | 10.167.59.184/30 | 10.167.59.185 – 10.167.59.186 | 10.167.59.187 |
| 240 | 10.167.59.188/30 | 10.167.59.189 – 10.167.59.190 | 10.167.59.191 |
| 241 | 10.167.59.192/30 | 10.167.59.193 – 10.167.59.194 | 10.167.59.195 |
| 242 | 10.167.59.196/30 | 10.167.59.197 – 10.167.59.198 | 10.167.59.199 |
| 243 | 10.167.59.200/30 | 10.167.59.201 – 10.167.59.202 | 10.167.59.203 |
| 244 | 10.167.59.204/30 | 10.167.59.205 – 10.167.59.206 | 10.167.59.207 |
| 245 | 10.167.59.208/30 | 10.167.59.209 – 10.167.59.210 | 10.167.59.211 |
| 246 | 10.167.59.212/30 | 10.167.59.213 – 10.167.59.214 | 10.167.59.215 |
| 247 | 10.167.59.216/30 | 10.167.59.217 – 10.167.59.218 | 10.167.59.219 |
| 248 | 10.167.59.220/30 | 10.167.59.221 – 10.167.59.222 | 10.167.59.223 |
| 249 | 10.167.59.224/30 | 10.167.59.225 – 10.167.59.226 | 10.167.59.227 |
| 250 | 10.167.59.228/30 | 10.167.59.229 – 10.167.59.230 | 10.167.59.231 |
| 251 | 10.167.59.232/30 | 10.167.59.233 – 10.167.59.234 | 10.167.59.235 |
| 252 | 10.167.59.236/30 | 10.167.59.237 – 10.167.59.238 | 10.167.59.239 |
| 253 | 10.167.59.240/30 | 10.167.59.241 – 10.167.59.242 | 10.167.59.243 |
| 254 | 10.167.59.244/30 | 10.167.59.245 – 10.167.59.246 | 10.167.59.247 |
| 255 | 10.167.59.248/30 | 10.167.59.249 – 10.167.59.250 | 10.167.59.251 |
| 256 | 10.167.59.252/30 | 10.167.59.253 – 10.167.59.254 | 10.167.59.255 |
showing 256 of 512
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 /21 |
|---|---|---|---|---|
| /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 | 1 |
| /22 | 255.255.252.0 | 1,024 | 1,022 | 2 split → |
| /23 | 255.255.254.0 | 512 | 510 | 4 split → |
| /24 | 255.255.255.0 | 256 | 254 | 8 split → |
| /25 | 255.255.255.128 | 128 | 126 | 16 split → |
| /26 | 255.255.255.192 | 64 | 62 | 32 split → |
| /27 | 255.255.255.224 | 32 | 30 | 64 split → |
| /28 | 255.255.255.240 | 16 | 14 | 128 split → |
| /29 | 255.255.255.248 | 8 | 6 | 256 split → |
| /30 | 255.255.255.252 | 4 | 2 | 512 split → |
| /31 | 255.255.255.254 | 2 | 2 | 1,024 split → |
| /32 | 255.255.255.255 | 1 | 1 | 2,048 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.