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)10.3.252.0/22
network10.3.252.0/22
broadcast10.3.255.255
first host10.3.252.1
last host10.3.255.254
subnet mask255.255.252.0
wildcard0.0.3.255
addresses1,024
usable hosts1,022
classA
ipcalc 10.3.252.0/22
address00001010.00000011.11111100.00000000
subnet mask11111111.11111111.11111100.00000000
network00001010.00000011.11111100.00000000
broadcast00001010.00000011.11111111.11111111
green = network part, grey = host part
hex0x0a03fc00
decimal168033280
reverse dns0.252.3.10.in-addr.arpa
ipv4-mapped::ffff:a03:fc00
/22 split into /30 · 256 subnets
close ×| # | network | host range | broadcast |
|---|---|---|---|
| 1 | 10.3.252.0/30 | 10.3.252.1 – 10.3.252.2 | 10.3.252.3 |
| 2 | 10.3.252.4/30 | 10.3.252.5 – 10.3.252.6 | 10.3.252.7 |
| 3 | 10.3.252.8/30 | 10.3.252.9 – 10.3.252.10 | 10.3.252.11 |
| 4 | 10.3.252.12/30 | 10.3.252.13 – 10.3.252.14 | 10.3.252.15 |
| 5 | 10.3.252.16/30 | 10.3.252.17 – 10.3.252.18 | 10.3.252.19 |
| 6 | 10.3.252.20/30 | 10.3.252.21 – 10.3.252.22 | 10.3.252.23 |
| 7 | 10.3.252.24/30 | 10.3.252.25 – 10.3.252.26 | 10.3.252.27 |
| 8 | 10.3.252.28/30 | 10.3.252.29 – 10.3.252.30 | 10.3.252.31 |
| 9 | 10.3.252.32/30 | 10.3.252.33 – 10.3.252.34 | 10.3.252.35 |
| 10 | 10.3.252.36/30 | 10.3.252.37 – 10.3.252.38 | 10.3.252.39 |
| 11 | 10.3.252.40/30 | 10.3.252.41 – 10.3.252.42 | 10.3.252.43 |
| 12 | 10.3.252.44/30 | 10.3.252.45 – 10.3.252.46 | 10.3.252.47 |
| 13 | 10.3.252.48/30 | 10.3.252.49 – 10.3.252.50 | 10.3.252.51 |
| 14 | 10.3.252.52/30 | 10.3.252.53 – 10.3.252.54 | 10.3.252.55 |
| 15 | 10.3.252.56/30 | 10.3.252.57 – 10.3.252.58 | 10.3.252.59 |
| 16 | 10.3.252.60/30 | 10.3.252.61 – 10.3.252.62 | 10.3.252.63 |
| 17 | 10.3.252.64/30 | 10.3.252.65 – 10.3.252.66 | 10.3.252.67 |
| 18 | 10.3.252.68/30 | 10.3.252.69 – 10.3.252.70 | 10.3.252.71 |
| 19 | 10.3.252.72/30 | 10.3.252.73 – 10.3.252.74 | 10.3.252.75 |
| 20 | 10.3.252.76/30 | 10.3.252.77 – 10.3.252.78 | 10.3.252.79 |
| 21 | 10.3.252.80/30 | 10.3.252.81 – 10.3.252.82 | 10.3.252.83 |
| 22 | 10.3.252.84/30 | 10.3.252.85 – 10.3.252.86 | 10.3.252.87 |
| 23 | 10.3.252.88/30 | 10.3.252.89 – 10.3.252.90 | 10.3.252.91 |
| 24 | 10.3.252.92/30 | 10.3.252.93 – 10.3.252.94 | 10.3.252.95 |
| 25 | 10.3.252.96/30 | 10.3.252.97 – 10.3.252.98 | 10.3.252.99 |
| 26 | 10.3.252.100/30 | 10.3.252.101 – 10.3.252.102 | 10.3.252.103 |
| 27 | 10.3.252.104/30 | 10.3.252.105 – 10.3.252.106 | 10.3.252.107 |
| 28 | 10.3.252.108/30 | 10.3.252.109 – 10.3.252.110 | 10.3.252.111 |
| 29 | 10.3.252.112/30 | 10.3.252.113 – 10.3.252.114 | 10.3.252.115 |
| 30 | 10.3.252.116/30 | 10.3.252.117 – 10.3.252.118 | 10.3.252.119 |
| 31 | 10.3.252.120/30 | 10.3.252.121 – 10.3.252.122 | 10.3.252.123 |
| 32 | 10.3.252.124/30 | 10.3.252.125 – 10.3.252.126 | 10.3.252.127 |
| 33 | 10.3.252.128/30 | 10.3.252.129 – 10.3.252.130 | 10.3.252.131 |
| 34 | 10.3.252.132/30 | 10.3.252.133 – 10.3.252.134 | 10.3.252.135 |
| 35 | 10.3.252.136/30 | 10.3.252.137 – 10.3.252.138 | 10.3.252.139 |
| 36 | 10.3.252.140/30 | 10.3.252.141 – 10.3.252.142 | 10.3.252.143 |
| 37 | 10.3.252.144/30 | 10.3.252.145 – 10.3.252.146 | 10.3.252.147 |
| 38 | 10.3.252.148/30 | 10.3.252.149 – 10.3.252.150 | 10.3.252.151 |
| 39 | 10.3.252.152/30 | 10.3.252.153 – 10.3.252.154 | 10.3.252.155 |
| 40 | 10.3.252.156/30 | 10.3.252.157 – 10.3.252.158 | 10.3.252.159 |
| 41 | 10.3.252.160/30 | 10.3.252.161 – 10.3.252.162 | 10.3.252.163 |
| 42 | 10.3.252.164/30 | 10.3.252.165 – 10.3.252.166 | 10.3.252.167 |
| 43 | 10.3.252.168/30 | 10.3.252.169 – 10.3.252.170 | 10.3.252.171 |
| 44 | 10.3.252.172/30 | 10.3.252.173 – 10.3.252.174 | 10.3.252.175 |
| 45 | 10.3.252.176/30 | 10.3.252.177 – 10.3.252.178 | 10.3.252.179 |
| 46 | 10.3.252.180/30 | 10.3.252.181 – 10.3.252.182 | 10.3.252.183 |
| 47 | 10.3.252.184/30 | 10.3.252.185 – 10.3.252.186 | 10.3.252.187 |
| 48 | 10.3.252.188/30 | 10.3.252.189 – 10.3.252.190 | 10.3.252.191 |
| 49 | 10.3.252.192/30 | 10.3.252.193 – 10.3.252.194 | 10.3.252.195 |
| 50 | 10.3.252.196/30 | 10.3.252.197 – 10.3.252.198 | 10.3.252.199 |
| 51 | 10.3.252.200/30 | 10.3.252.201 – 10.3.252.202 | 10.3.252.203 |
| 52 | 10.3.252.204/30 | 10.3.252.205 – 10.3.252.206 | 10.3.252.207 |
| 53 | 10.3.252.208/30 | 10.3.252.209 – 10.3.252.210 | 10.3.252.211 |
| 54 | 10.3.252.212/30 | 10.3.252.213 – 10.3.252.214 | 10.3.252.215 |
| 55 | 10.3.252.216/30 | 10.3.252.217 – 10.3.252.218 | 10.3.252.219 |
| 56 | 10.3.252.220/30 | 10.3.252.221 – 10.3.252.222 | 10.3.252.223 |
| 57 | 10.3.252.224/30 | 10.3.252.225 – 10.3.252.226 | 10.3.252.227 |
| 58 | 10.3.252.228/30 | 10.3.252.229 – 10.3.252.230 | 10.3.252.231 |
| 59 | 10.3.252.232/30 | 10.3.252.233 – 10.3.252.234 | 10.3.252.235 |
| 60 | 10.3.252.236/30 | 10.3.252.237 – 10.3.252.238 | 10.3.252.239 |
| 61 | 10.3.252.240/30 | 10.3.252.241 – 10.3.252.242 | 10.3.252.243 |
| 62 | 10.3.252.244/30 | 10.3.252.245 – 10.3.252.246 | 10.3.252.247 |
| 63 | 10.3.252.248/30 | 10.3.252.249 – 10.3.252.250 | 10.3.252.251 |
| 64 | 10.3.252.252/30 | 10.3.252.253 – 10.3.252.254 | 10.3.252.255 |
| 65 | 10.3.253.0/30 | 10.3.253.1 – 10.3.253.2 | 10.3.253.3 |
| 66 | 10.3.253.4/30 | 10.3.253.5 – 10.3.253.6 | 10.3.253.7 |
| 67 | 10.3.253.8/30 | 10.3.253.9 – 10.3.253.10 | 10.3.253.11 |
| 68 | 10.3.253.12/30 | 10.3.253.13 – 10.3.253.14 | 10.3.253.15 |
| 69 | 10.3.253.16/30 | 10.3.253.17 – 10.3.253.18 | 10.3.253.19 |
| 70 | 10.3.253.20/30 | 10.3.253.21 – 10.3.253.22 | 10.3.253.23 |
| 71 | 10.3.253.24/30 | 10.3.253.25 – 10.3.253.26 | 10.3.253.27 |
| 72 | 10.3.253.28/30 | 10.3.253.29 – 10.3.253.30 | 10.3.253.31 |
| 73 | 10.3.253.32/30 | 10.3.253.33 – 10.3.253.34 | 10.3.253.35 |
| 74 | 10.3.253.36/30 | 10.3.253.37 – 10.3.253.38 | 10.3.253.39 |
| 75 | 10.3.253.40/30 | 10.3.253.41 – 10.3.253.42 | 10.3.253.43 |
| 76 | 10.3.253.44/30 | 10.3.253.45 – 10.3.253.46 | 10.3.253.47 |
| 77 | 10.3.253.48/30 | 10.3.253.49 – 10.3.253.50 | 10.3.253.51 |
| 78 | 10.3.253.52/30 | 10.3.253.53 – 10.3.253.54 | 10.3.253.55 |
| 79 | 10.3.253.56/30 | 10.3.253.57 – 10.3.253.58 | 10.3.253.59 |
| 80 | 10.3.253.60/30 | 10.3.253.61 – 10.3.253.62 | 10.3.253.63 |
| 81 | 10.3.253.64/30 | 10.3.253.65 – 10.3.253.66 | 10.3.253.67 |
| 82 | 10.3.253.68/30 | 10.3.253.69 – 10.3.253.70 | 10.3.253.71 |
| 83 | 10.3.253.72/30 | 10.3.253.73 – 10.3.253.74 | 10.3.253.75 |
| 84 | 10.3.253.76/30 | 10.3.253.77 – 10.3.253.78 | 10.3.253.79 |
| 85 | 10.3.253.80/30 | 10.3.253.81 – 10.3.253.82 | 10.3.253.83 |
| 86 | 10.3.253.84/30 | 10.3.253.85 – 10.3.253.86 | 10.3.253.87 |
| 87 | 10.3.253.88/30 | 10.3.253.89 – 10.3.253.90 | 10.3.253.91 |
| 88 | 10.3.253.92/30 | 10.3.253.93 – 10.3.253.94 | 10.3.253.95 |
| 89 | 10.3.253.96/30 | 10.3.253.97 – 10.3.253.98 | 10.3.253.99 |
| 90 | 10.3.253.100/30 | 10.3.253.101 – 10.3.253.102 | 10.3.253.103 |
| 91 | 10.3.253.104/30 | 10.3.253.105 – 10.3.253.106 | 10.3.253.107 |
| 92 | 10.3.253.108/30 | 10.3.253.109 – 10.3.253.110 | 10.3.253.111 |
| 93 | 10.3.253.112/30 | 10.3.253.113 – 10.3.253.114 | 10.3.253.115 |
| 94 | 10.3.253.116/30 | 10.3.253.117 – 10.3.253.118 | 10.3.253.119 |
| 95 | 10.3.253.120/30 | 10.3.253.121 – 10.3.253.122 | 10.3.253.123 |
| 96 | 10.3.253.124/30 | 10.3.253.125 – 10.3.253.126 | 10.3.253.127 |
| 97 | 10.3.253.128/30 | 10.3.253.129 – 10.3.253.130 | 10.3.253.131 |
| 98 | 10.3.253.132/30 | 10.3.253.133 – 10.3.253.134 | 10.3.253.135 |
| 99 | 10.3.253.136/30 | 10.3.253.137 – 10.3.253.138 | 10.3.253.139 |
| 100 | 10.3.253.140/30 | 10.3.253.141 – 10.3.253.142 | 10.3.253.143 |
| 101 | 10.3.253.144/30 | 10.3.253.145 – 10.3.253.146 | 10.3.253.147 |
| 102 | 10.3.253.148/30 | 10.3.253.149 – 10.3.253.150 | 10.3.253.151 |
| 103 | 10.3.253.152/30 | 10.3.253.153 – 10.3.253.154 | 10.3.253.155 |
| 104 | 10.3.253.156/30 | 10.3.253.157 – 10.3.253.158 | 10.3.253.159 |
| 105 | 10.3.253.160/30 | 10.3.253.161 – 10.3.253.162 | 10.3.253.163 |
| 106 | 10.3.253.164/30 | 10.3.253.165 – 10.3.253.166 | 10.3.253.167 |
| 107 | 10.3.253.168/30 | 10.3.253.169 – 10.3.253.170 | 10.3.253.171 |
| 108 | 10.3.253.172/30 | 10.3.253.173 – 10.3.253.174 | 10.3.253.175 |
| 109 | 10.3.253.176/30 | 10.3.253.177 – 10.3.253.178 | 10.3.253.179 |
| 110 | 10.3.253.180/30 | 10.3.253.181 – 10.3.253.182 | 10.3.253.183 |
| 111 | 10.3.253.184/30 | 10.3.253.185 – 10.3.253.186 | 10.3.253.187 |
| 112 | 10.3.253.188/30 | 10.3.253.189 – 10.3.253.190 | 10.3.253.191 |
| 113 | 10.3.253.192/30 | 10.3.253.193 – 10.3.253.194 | 10.3.253.195 |
| 114 | 10.3.253.196/30 | 10.3.253.197 – 10.3.253.198 | 10.3.253.199 |
| 115 | 10.3.253.200/30 | 10.3.253.201 – 10.3.253.202 | 10.3.253.203 |
| 116 | 10.3.253.204/30 | 10.3.253.205 – 10.3.253.206 | 10.3.253.207 |
| 117 | 10.3.253.208/30 | 10.3.253.209 – 10.3.253.210 | 10.3.253.211 |
| 118 | 10.3.253.212/30 | 10.3.253.213 – 10.3.253.214 | 10.3.253.215 |
| 119 | 10.3.253.216/30 | 10.3.253.217 – 10.3.253.218 | 10.3.253.219 |
| 120 | 10.3.253.220/30 | 10.3.253.221 – 10.3.253.222 | 10.3.253.223 |
| 121 | 10.3.253.224/30 | 10.3.253.225 – 10.3.253.226 | 10.3.253.227 |
| 122 | 10.3.253.228/30 | 10.3.253.229 – 10.3.253.230 | 10.3.253.231 |
| 123 | 10.3.253.232/30 | 10.3.253.233 – 10.3.253.234 | 10.3.253.235 |
| 124 | 10.3.253.236/30 | 10.3.253.237 – 10.3.253.238 | 10.3.253.239 |
| 125 | 10.3.253.240/30 | 10.3.253.241 – 10.3.253.242 | 10.3.253.243 |
| 126 | 10.3.253.244/30 | 10.3.253.245 – 10.3.253.246 | 10.3.253.247 |
| 127 | 10.3.253.248/30 | 10.3.253.249 – 10.3.253.250 | 10.3.253.251 |
| 128 | 10.3.253.252/30 | 10.3.253.253 – 10.3.253.254 | 10.3.253.255 |
| 129 | 10.3.254.0/30 | 10.3.254.1 – 10.3.254.2 | 10.3.254.3 |
| 130 | 10.3.254.4/30 | 10.3.254.5 – 10.3.254.6 | 10.3.254.7 |
| 131 | 10.3.254.8/30 | 10.3.254.9 – 10.3.254.10 | 10.3.254.11 |
| 132 | 10.3.254.12/30 | 10.3.254.13 – 10.3.254.14 | 10.3.254.15 |
| 133 | 10.3.254.16/30 | 10.3.254.17 – 10.3.254.18 | 10.3.254.19 |
| 134 | 10.3.254.20/30 | 10.3.254.21 – 10.3.254.22 | 10.3.254.23 |
| 135 | 10.3.254.24/30 | 10.3.254.25 – 10.3.254.26 | 10.3.254.27 |
| 136 | 10.3.254.28/30 | 10.3.254.29 – 10.3.254.30 | 10.3.254.31 |
| 137 | 10.3.254.32/30 | 10.3.254.33 – 10.3.254.34 | 10.3.254.35 |
| 138 | 10.3.254.36/30 | 10.3.254.37 – 10.3.254.38 | 10.3.254.39 |
| 139 | 10.3.254.40/30 | 10.3.254.41 – 10.3.254.42 | 10.3.254.43 |
| 140 | 10.3.254.44/30 | 10.3.254.45 – 10.3.254.46 | 10.3.254.47 |
| 141 | 10.3.254.48/30 | 10.3.254.49 – 10.3.254.50 | 10.3.254.51 |
| 142 | 10.3.254.52/30 | 10.3.254.53 – 10.3.254.54 | 10.3.254.55 |
| 143 | 10.3.254.56/30 | 10.3.254.57 – 10.3.254.58 | 10.3.254.59 |
| 144 | 10.3.254.60/30 | 10.3.254.61 – 10.3.254.62 | 10.3.254.63 |
| 145 | 10.3.254.64/30 | 10.3.254.65 – 10.3.254.66 | 10.3.254.67 |
| 146 | 10.3.254.68/30 | 10.3.254.69 – 10.3.254.70 | 10.3.254.71 |
| 147 | 10.3.254.72/30 | 10.3.254.73 – 10.3.254.74 | 10.3.254.75 |
| 148 | 10.3.254.76/30 | 10.3.254.77 – 10.3.254.78 | 10.3.254.79 |
| 149 | 10.3.254.80/30 | 10.3.254.81 – 10.3.254.82 | 10.3.254.83 |
| 150 | 10.3.254.84/30 | 10.3.254.85 – 10.3.254.86 | 10.3.254.87 |
| 151 | 10.3.254.88/30 | 10.3.254.89 – 10.3.254.90 | 10.3.254.91 |
| 152 | 10.3.254.92/30 | 10.3.254.93 – 10.3.254.94 | 10.3.254.95 |
| 153 | 10.3.254.96/30 | 10.3.254.97 – 10.3.254.98 | 10.3.254.99 |
| 154 | 10.3.254.100/30 | 10.3.254.101 – 10.3.254.102 | 10.3.254.103 |
| 155 | 10.3.254.104/30 | 10.3.254.105 – 10.3.254.106 | 10.3.254.107 |
| 156 | 10.3.254.108/30 | 10.3.254.109 – 10.3.254.110 | 10.3.254.111 |
| 157 | 10.3.254.112/30 | 10.3.254.113 – 10.3.254.114 | 10.3.254.115 |
| 158 | 10.3.254.116/30 | 10.3.254.117 – 10.3.254.118 | 10.3.254.119 |
| 159 | 10.3.254.120/30 | 10.3.254.121 – 10.3.254.122 | 10.3.254.123 |
| 160 | 10.3.254.124/30 | 10.3.254.125 – 10.3.254.126 | 10.3.254.127 |
| 161 | 10.3.254.128/30 | 10.3.254.129 – 10.3.254.130 | 10.3.254.131 |
| 162 | 10.3.254.132/30 | 10.3.254.133 – 10.3.254.134 | 10.3.254.135 |
| 163 | 10.3.254.136/30 | 10.3.254.137 – 10.3.254.138 | 10.3.254.139 |
| 164 | 10.3.254.140/30 | 10.3.254.141 – 10.3.254.142 | 10.3.254.143 |
| 165 | 10.3.254.144/30 | 10.3.254.145 – 10.3.254.146 | 10.3.254.147 |
| 166 | 10.3.254.148/30 | 10.3.254.149 – 10.3.254.150 | 10.3.254.151 |
| 167 | 10.3.254.152/30 | 10.3.254.153 – 10.3.254.154 | 10.3.254.155 |
| 168 | 10.3.254.156/30 | 10.3.254.157 – 10.3.254.158 | 10.3.254.159 |
| 169 | 10.3.254.160/30 | 10.3.254.161 – 10.3.254.162 | 10.3.254.163 |
| 170 | 10.3.254.164/30 | 10.3.254.165 – 10.3.254.166 | 10.3.254.167 |
| 171 | 10.3.254.168/30 | 10.3.254.169 – 10.3.254.170 | 10.3.254.171 |
| 172 | 10.3.254.172/30 | 10.3.254.173 – 10.3.254.174 | 10.3.254.175 |
| 173 | 10.3.254.176/30 | 10.3.254.177 – 10.3.254.178 | 10.3.254.179 |
| 174 | 10.3.254.180/30 | 10.3.254.181 – 10.3.254.182 | 10.3.254.183 |
| 175 | 10.3.254.184/30 | 10.3.254.185 – 10.3.254.186 | 10.3.254.187 |
| 176 | 10.3.254.188/30 | 10.3.254.189 – 10.3.254.190 | 10.3.254.191 |
| 177 | 10.3.254.192/30 | 10.3.254.193 – 10.3.254.194 | 10.3.254.195 |
| 178 | 10.3.254.196/30 | 10.3.254.197 – 10.3.254.198 | 10.3.254.199 |
| 179 | 10.3.254.200/30 | 10.3.254.201 – 10.3.254.202 | 10.3.254.203 |
| 180 | 10.3.254.204/30 | 10.3.254.205 – 10.3.254.206 | 10.3.254.207 |
| 181 | 10.3.254.208/30 | 10.3.254.209 – 10.3.254.210 | 10.3.254.211 |
| 182 | 10.3.254.212/30 | 10.3.254.213 – 10.3.254.214 | 10.3.254.215 |
| 183 | 10.3.254.216/30 | 10.3.254.217 – 10.3.254.218 | 10.3.254.219 |
| 184 | 10.3.254.220/30 | 10.3.254.221 – 10.3.254.222 | 10.3.254.223 |
| 185 | 10.3.254.224/30 | 10.3.254.225 – 10.3.254.226 | 10.3.254.227 |
| 186 | 10.3.254.228/30 | 10.3.254.229 – 10.3.254.230 | 10.3.254.231 |
| 187 | 10.3.254.232/30 | 10.3.254.233 – 10.3.254.234 | 10.3.254.235 |
| 188 | 10.3.254.236/30 | 10.3.254.237 – 10.3.254.238 | 10.3.254.239 |
| 189 | 10.3.254.240/30 | 10.3.254.241 – 10.3.254.242 | 10.3.254.243 |
| 190 | 10.3.254.244/30 | 10.3.254.245 – 10.3.254.246 | 10.3.254.247 |
| 191 | 10.3.254.248/30 | 10.3.254.249 – 10.3.254.250 | 10.3.254.251 |
| 192 | 10.3.254.252/30 | 10.3.254.253 – 10.3.254.254 | 10.3.254.255 |
| 193 | 10.3.255.0/30 | 10.3.255.1 – 10.3.255.2 | 10.3.255.3 |
| 194 | 10.3.255.4/30 | 10.3.255.5 – 10.3.255.6 | 10.3.255.7 |
| 195 | 10.3.255.8/30 | 10.3.255.9 – 10.3.255.10 | 10.3.255.11 |
| 196 | 10.3.255.12/30 | 10.3.255.13 – 10.3.255.14 | 10.3.255.15 |
| 197 | 10.3.255.16/30 | 10.3.255.17 – 10.3.255.18 | 10.3.255.19 |
| 198 | 10.3.255.20/30 | 10.3.255.21 – 10.3.255.22 | 10.3.255.23 |
| 199 | 10.3.255.24/30 | 10.3.255.25 – 10.3.255.26 | 10.3.255.27 |
| 200 | 10.3.255.28/30 | 10.3.255.29 – 10.3.255.30 | 10.3.255.31 |
| 201 | 10.3.255.32/30 | 10.3.255.33 – 10.3.255.34 | 10.3.255.35 |
| 202 | 10.3.255.36/30 | 10.3.255.37 – 10.3.255.38 | 10.3.255.39 |
| 203 | 10.3.255.40/30 | 10.3.255.41 – 10.3.255.42 | 10.3.255.43 |
| 204 | 10.3.255.44/30 | 10.3.255.45 – 10.3.255.46 | 10.3.255.47 |
| 205 | 10.3.255.48/30 | 10.3.255.49 – 10.3.255.50 | 10.3.255.51 |
| 206 | 10.3.255.52/30 | 10.3.255.53 – 10.3.255.54 | 10.3.255.55 |
| 207 | 10.3.255.56/30 | 10.3.255.57 – 10.3.255.58 | 10.3.255.59 |
| 208 | 10.3.255.60/30 | 10.3.255.61 – 10.3.255.62 | 10.3.255.63 |
| 209 | 10.3.255.64/30 | 10.3.255.65 – 10.3.255.66 | 10.3.255.67 |
| 210 | 10.3.255.68/30 | 10.3.255.69 – 10.3.255.70 | 10.3.255.71 |
| 211 | 10.3.255.72/30 | 10.3.255.73 – 10.3.255.74 | 10.3.255.75 |
| 212 | 10.3.255.76/30 | 10.3.255.77 – 10.3.255.78 | 10.3.255.79 |
| 213 | 10.3.255.80/30 | 10.3.255.81 – 10.3.255.82 | 10.3.255.83 |
| 214 | 10.3.255.84/30 | 10.3.255.85 – 10.3.255.86 | 10.3.255.87 |
| 215 | 10.3.255.88/30 | 10.3.255.89 – 10.3.255.90 | 10.3.255.91 |
| 216 | 10.3.255.92/30 | 10.3.255.93 – 10.3.255.94 | 10.3.255.95 |
| 217 | 10.3.255.96/30 | 10.3.255.97 – 10.3.255.98 | 10.3.255.99 |
| 218 | 10.3.255.100/30 | 10.3.255.101 – 10.3.255.102 | 10.3.255.103 |
| 219 | 10.3.255.104/30 | 10.3.255.105 – 10.3.255.106 | 10.3.255.107 |
| 220 | 10.3.255.108/30 | 10.3.255.109 – 10.3.255.110 | 10.3.255.111 |
| 221 | 10.3.255.112/30 | 10.3.255.113 – 10.3.255.114 | 10.3.255.115 |
| 222 | 10.3.255.116/30 | 10.3.255.117 – 10.3.255.118 | 10.3.255.119 |
| 223 | 10.3.255.120/30 | 10.3.255.121 – 10.3.255.122 | 10.3.255.123 |
| 224 | 10.3.255.124/30 | 10.3.255.125 – 10.3.255.126 | 10.3.255.127 |
| 225 | 10.3.255.128/30 | 10.3.255.129 – 10.3.255.130 | 10.3.255.131 |
| 226 | 10.3.255.132/30 | 10.3.255.133 – 10.3.255.134 | 10.3.255.135 |
| 227 | 10.3.255.136/30 | 10.3.255.137 – 10.3.255.138 | 10.3.255.139 |
| 228 | 10.3.255.140/30 | 10.3.255.141 – 10.3.255.142 | 10.3.255.143 |
| 229 | 10.3.255.144/30 | 10.3.255.145 – 10.3.255.146 | 10.3.255.147 |
| 230 | 10.3.255.148/30 | 10.3.255.149 – 10.3.255.150 | 10.3.255.151 |
| 231 | 10.3.255.152/30 | 10.3.255.153 – 10.3.255.154 | 10.3.255.155 |
| 232 | 10.3.255.156/30 | 10.3.255.157 – 10.3.255.158 | 10.3.255.159 |
| 233 | 10.3.255.160/30 | 10.3.255.161 – 10.3.255.162 | 10.3.255.163 |
| 234 | 10.3.255.164/30 | 10.3.255.165 – 10.3.255.166 | 10.3.255.167 |
| 235 | 10.3.255.168/30 | 10.3.255.169 – 10.3.255.170 | 10.3.255.171 |
| 236 | 10.3.255.172/30 | 10.3.255.173 – 10.3.255.174 | 10.3.255.175 |
| 237 | 10.3.255.176/30 | 10.3.255.177 – 10.3.255.178 | 10.3.255.179 |
| 238 | 10.3.255.180/30 | 10.3.255.181 – 10.3.255.182 | 10.3.255.183 |
| 239 | 10.3.255.184/30 | 10.3.255.185 – 10.3.255.186 | 10.3.255.187 |
| 240 | 10.3.255.188/30 | 10.3.255.189 – 10.3.255.190 | 10.3.255.191 |
| 241 | 10.3.255.192/30 | 10.3.255.193 – 10.3.255.194 | 10.3.255.195 |
| 242 | 10.3.255.196/30 | 10.3.255.197 – 10.3.255.198 | 10.3.255.199 |
| 243 | 10.3.255.200/30 | 10.3.255.201 – 10.3.255.202 | 10.3.255.203 |
| 244 | 10.3.255.204/30 | 10.3.255.205 – 10.3.255.206 | 10.3.255.207 |
| 245 | 10.3.255.208/30 | 10.3.255.209 – 10.3.255.210 | 10.3.255.211 |
| 246 | 10.3.255.212/30 | 10.3.255.213 – 10.3.255.214 | 10.3.255.215 |
| 247 | 10.3.255.216/30 | 10.3.255.217 – 10.3.255.218 | 10.3.255.219 |
| 248 | 10.3.255.220/30 | 10.3.255.221 – 10.3.255.222 | 10.3.255.223 |
| 249 | 10.3.255.224/30 | 10.3.255.225 – 10.3.255.226 | 10.3.255.227 |
| 250 | 10.3.255.228/30 | 10.3.255.229 – 10.3.255.230 | 10.3.255.231 |
| 251 | 10.3.255.232/30 | 10.3.255.233 – 10.3.255.234 | 10.3.255.235 |
| 252 | 10.3.255.236/30 | 10.3.255.237 – 10.3.255.238 | 10.3.255.239 |
| 253 | 10.3.255.240/30 | 10.3.255.241 – 10.3.255.242 | 10.3.255.243 |
| 254 | 10.3.255.244/30 | 10.3.255.245 – 10.3.255.246 | 10.3.255.247 |
| 255 | 10.3.255.248/30 | 10.3.255.249 – 10.3.255.250 | 10.3.255.251 |
| 256 | 10.3.255.252/30 | 10.3.255.253 – 10.3.255.254 | 10.3.255.255 |
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.