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)10.65.96.0/22
network10.65.96.0/22
broadcast10.65.99.255
first host10.65.96.1
last host10.65.99.254
subnet mask255.255.252.0
wildcard0.0.3.255
addresses1,024
usable hosts1,022
classA
ipcalc 10.65.96.0/22
address00001010.01000001.01100000.00000000
subnet mask11111111.11111111.11111100.00000000
network00001010.01000001.01100000.00000000
broadcast00001010.01000001.01100011.11111111
green = network part, grey = host part
hex0x0a416000
decimal172056576
reverse dns0.96.65.10.in-addr.arpa
ipv4-mapped::ffff:a41:6000
/22 split into /29 · 128 subnets
close ×| # | network | host range | broadcast |
|---|---|---|---|
| 1 | 10.65.96.0/29 | 10.65.96.1 – 10.65.96.6 | 10.65.96.7 |
| 2 | 10.65.96.8/29 | 10.65.96.9 – 10.65.96.14 | 10.65.96.15 |
| 3 | 10.65.96.16/29 | 10.65.96.17 – 10.65.96.22 | 10.65.96.23 |
| 4 | 10.65.96.24/29 | 10.65.96.25 – 10.65.96.30 | 10.65.96.31 |
| 5 | 10.65.96.32/29 | 10.65.96.33 – 10.65.96.38 | 10.65.96.39 |
| 6 | 10.65.96.40/29 | 10.65.96.41 – 10.65.96.46 | 10.65.96.47 |
| 7 | 10.65.96.48/29 | 10.65.96.49 – 10.65.96.54 | 10.65.96.55 |
| 8 | 10.65.96.56/29 | 10.65.96.57 – 10.65.96.62 | 10.65.96.63 |
| 9 | 10.65.96.64/29 | 10.65.96.65 – 10.65.96.70 | 10.65.96.71 |
| 10 | 10.65.96.72/29 | 10.65.96.73 – 10.65.96.78 | 10.65.96.79 |
| 11 | 10.65.96.80/29 | 10.65.96.81 – 10.65.96.86 | 10.65.96.87 |
| 12 | 10.65.96.88/29 | 10.65.96.89 – 10.65.96.94 | 10.65.96.95 |
| 13 | 10.65.96.96/29 | 10.65.96.97 – 10.65.96.102 | 10.65.96.103 |
| 14 | 10.65.96.104/29 | 10.65.96.105 – 10.65.96.110 | 10.65.96.111 |
| 15 | 10.65.96.112/29 | 10.65.96.113 – 10.65.96.118 | 10.65.96.119 |
| 16 | 10.65.96.120/29 | 10.65.96.121 – 10.65.96.126 | 10.65.96.127 |
| 17 | 10.65.96.128/29 | 10.65.96.129 – 10.65.96.134 | 10.65.96.135 |
| 18 | 10.65.96.136/29 | 10.65.96.137 – 10.65.96.142 | 10.65.96.143 |
| 19 | 10.65.96.144/29 | 10.65.96.145 – 10.65.96.150 | 10.65.96.151 |
| 20 | 10.65.96.152/29 | 10.65.96.153 – 10.65.96.158 | 10.65.96.159 |
| 21 | 10.65.96.160/29 | 10.65.96.161 – 10.65.96.166 | 10.65.96.167 |
| 22 | 10.65.96.168/29 | 10.65.96.169 – 10.65.96.174 | 10.65.96.175 |
| 23 | 10.65.96.176/29 | 10.65.96.177 – 10.65.96.182 | 10.65.96.183 |
| 24 | 10.65.96.184/29 | 10.65.96.185 – 10.65.96.190 | 10.65.96.191 |
| 25 | 10.65.96.192/29 | 10.65.96.193 – 10.65.96.198 | 10.65.96.199 |
| 26 | 10.65.96.200/29 | 10.65.96.201 – 10.65.96.206 | 10.65.96.207 |
| 27 | 10.65.96.208/29 | 10.65.96.209 – 10.65.96.214 | 10.65.96.215 |
| 28 | 10.65.96.216/29 | 10.65.96.217 – 10.65.96.222 | 10.65.96.223 |
| 29 | 10.65.96.224/29 | 10.65.96.225 – 10.65.96.230 | 10.65.96.231 |
| 30 | 10.65.96.232/29 | 10.65.96.233 – 10.65.96.238 | 10.65.96.239 |
| 31 | 10.65.96.240/29 | 10.65.96.241 – 10.65.96.246 | 10.65.96.247 |
| 32 | 10.65.96.248/29 | 10.65.96.249 – 10.65.96.254 | 10.65.96.255 |
| 33 | 10.65.97.0/29 | 10.65.97.1 – 10.65.97.6 | 10.65.97.7 |
| 34 | 10.65.97.8/29 | 10.65.97.9 – 10.65.97.14 | 10.65.97.15 |
| 35 | 10.65.97.16/29 | 10.65.97.17 – 10.65.97.22 | 10.65.97.23 |
| 36 | 10.65.97.24/29 | 10.65.97.25 – 10.65.97.30 | 10.65.97.31 |
| 37 | 10.65.97.32/29 | 10.65.97.33 – 10.65.97.38 | 10.65.97.39 |
| 38 | 10.65.97.40/29 | 10.65.97.41 – 10.65.97.46 | 10.65.97.47 |
| 39 | 10.65.97.48/29 | 10.65.97.49 – 10.65.97.54 | 10.65.97.55 |
| 40 | 10.65.97.56/29 | 10.65.97.57 – 10.65.97.62 | 10.65.97.63 |
| 41 | 10.65.97.64/29 | 10.65.97.65 – 10.65.97.70 | 10.65.97.71 |
| 42 | 10.65.97.72/29 | 10.65.97.73 – 10.65.97.78 | 10.65.97.79 |
| 43 | 10.65.97.80/29 | 10.65.97.81 – 10.65.97.86 | 10.65.97.87 |
| 44 | 10.65.97.88/29 | 10.65.97.89 – 10.65.97.94 | 10.65.97.95 |
| 45 | 10.65.97.96/29 | 10.65.97.97 – 10.65.97.102 | 10.65.97.103 |
| 46 | 10.65.97.104/29 | 10.65.97.105 – 10.65.97.110 | 10.65.97.111 |
| 47 | 10.65.97.112/29 | 10.65.97.113 – 10.65.97.118 | 10.65.97.119 |
| 48 | 10.65.97.120/29 | 10.65.97.121 – 10.65.97.126 | 10.65.97.127 |
| 49 | 10.65.97.128/29 | 10.65.97.129 – 10.65.97.134 | 10.65.97.135 |
| 50 | 10.65.97.136/29 | 10.65.97.137 – 10.65.97.142 | 10.65.97.143 |
| 51 | 10.65.97.144/29 | 10.65.97.145 – 10.65.97.150 | 10.65.97.151 |
| 52 | 10.65.97.152/29 | 10.65.97.153 – 10.65.97.158 | 10.65.97.159 |
| 53 | 10.65.97.160/29 | 10.65.97.161 – 10.65.97.166 | 10.65.97.167 |
| 54 | 10.65.97.168/29 | 10.65.97.169 – 10.65.97.174 | 10.65.97.175 |
| 55 | 10.65.97.176/29 | 10.65.97.177 – 10.65.97.182 | 10.65.97.183 |
| 56 | 10.65.97.184/29 | 10.65.97.185 – 10.65.97.190 | 10.65.97.191 |
| 57 | 10.65.97.192/29 | 10.65.97.193 – 10.65.97.198 | 10.65.97.199 |
| 58 | 10.65.97.200/29 | 10.65.97.201 – 10.65.97.206 | 10.65.97.207 |
| 59 | 10.65.97.208/29 | 10.65.97.209 – 10.65.97.214 | 10.65.97.215 |
| 60 | 10.65.97.216/29 | 10.65.97.217 – 10.65.97.222 | 10.65.97.223 |
| 61 | 10.65.97.224/29 | 10.65.97.225 – 10.65.97.230 | 10.65.97.231 |
| 62 | 10.65.97.232/29 | 10.65.97.233 – 10.65.97.238 | 10.65.97.239 |
| 63 | 10.65.97.240/29 | 10.65.97.241 – 10.65.97.246 | 10.65.97.247 |
| 64 | 10.65.97.248/29 | 10.65.97.249 – 10.65.97.254 | 10.65.97.255 |
| 65 | 10.65.98.0/29 | 10.65.98.1 – 10.65.98.6 | 10.65.98.7 |
| 66 | 10.65.98.8/29 | 10.65.98.9 – 10.65.98.14 | 10.65.98.15 |
| 67 | 10.65.98.16/29 | 10.65.98.17 – 10.65.98.22 | 10.65.98.23 |
| 68 | 10.65.98.24/29 | 10.65.98.25 – 10.65.98.30 | 10.65.98.31 |
| 69 | 10.65.98.32/29 | 10.65.98.33 – 10.65.98.38 | 10.65.98.39 |
| 70 | 10.65.98.40/29 | 10.65.98.41 – 10.65.98.46 | 10.65.98.47 |
| 71 | 10.65.98.48/29 | 10.65.98.49 – 10.65.98.54 | 10.65.98.55 |
| 72 | 10.65.98.56/29 | 10.65.98.57 – 10.65.98.62 | 10.65.98.63 |
| 73 | 10.65.98.64/29 | 10.65.98.65 – 10.65.98.70 | 10.65.98.71 |
| 74 | 10.65.98.72/29 | 10.65.98.73 – 10.65.98.78 | 10.65.98.79 |
| 75 | 10.65.98.80/29 | 10.65.98.81 – 10.65.98.86 | 10.65.98.87 |
| 76 | 10.65.98.88/29 | 10.65.98.89 – 10.65.98.94 | 10.65.98.95 |
| 77 | 10.65.98.96/29 | 10.65.98.97 – 10.65.98.102 | 10.65.98.103 |
| 78 | 10.65.98.104/29 | 10.65.98.105 – 10.65.98.110 | 10.65.98.111 |
| 79 | 10.65.98.112/29 | 10.65.98.113 – 10.65.98.118 | 10.65.98.119 |
| 80 | 10.65.98.120/29 | 10.65.98.121 – 10.65.98.126 | 10.65.98.127 |
| 81 | 10.65.98.128/29 | 10.65.98.129 – 10.65.98.134 | 10.65.98.135 |
| 82 | 10.65.98.136/29 | 10.65.98.137 – 10.65.98.142 | 10.65.98.143 |
| 83 | 10.65.98.144/29 | 10.65.98.145 – 10.65.98.150 | 10.65.98.151 |
| 84 | 10.65.98.152/29 | 10.65.98.153 – 10.65.98.158 | 10.65.98.159 |
| 85 | 10.65.98.160/29 | 10.65.98.161 – 10.65.98.166 | 10.65.98.167 |
| 86 | 10.65.98.168/29 | 10.65.98.169 – 10.65.98.174 | 10.65.98.175 |
| 87 | 10.65.98.176/29 | 10.65.98.177 – 10.65.98.182 | 10.65.98.183 |
| 88 | 10.65.98.184/29 | 10.65.98.185 – 10.65.98.190 | 10.65.98.191 |
| 89 | 10.65.98.192/29 | 10.65.98.193 – 10.65.98.198 | 10.65.98.199 |
| 90 | 10.65.98.200/29 | 10.65.98.201 – 10.65.98.206 | 10.65.98.207 |
| 91 | 10.65.98.208/29 | 10.65.98.209 – 10.65.98.214 | 10.65.98.215 |
| 92 | 10.65.98.216/29 | 10.65.98.217 – 10.65.98.222 | 10.65.98.223 |
| 93 | 10.65.98.224/29 | 10.65.98.225 – 10.65.98.230 | 10.65.98.231 |
| 94 | 10.65.98.232/29 | 10.65.98.233 – 10.65.98.238 | 10.65.98.239 |
| 95 | 10.65.98.240/29 | 10.65.98.241 – 10.65.98.246 | 10.65.98.247 |
| 96 | 10.65.98.248/29 | 10.65.98.249 – 10.65.98.254 | 10.65.98.255 |
| 97 | 10.65.99.0/29 | 10.65.99.1 – 10.65.99.6 | 10.65.99.7 |
| 98 | 10.65.99.8/29 | 10.65.99.9 – 10.65.99.14 | 10.65.99.15 |
| 99 | 10.65.99.16/29 | 10.65.99.17 – 10.65.99.22 | 10.65.99.23 |
| 100 | 10.65.99.24/29 | 10.65.99.25 – 10.65.99.30 | 10.65.99.31 |
| 101 | 10.65.99.32/29 | 10.65.99.33 – 10.65.99.38 | 10.65.99.39 |
| 102 | 10.65.99.40/29 | 10.65.99.41 – 10.65.99.46 | 10.65.99.47 |
| 103 | 10.65.99.48/29 | 10.65.99.49 – 10.65.99.54 | 10.65.99.55 |
| 104 | 10.65.99.56/29 | 10.65.99.57 – 10.65.99.62 | 10.65.99.63 |
| 105 | 10.65.99.64/29 | 10.65.99.65 – 10.65.99.70 | 10.65.99.71 |
| 106 | 10.65.99.72/29 | 10.65.99.73 – 10.65.99.78 | 10.65.99.79 |
| 107 | 10.65.99.80/29 | 10.65.99.81 – 10.65.99.86 | 10.65.99.87 |
| 108 | 10.65.99.88/29 | 10.65.99.89 – 10.65.99.94 | 10.65.99.95 |
| 109 | 10.65.99.96/29 | 10.65.99.97 – 10.65.99.102 | 10.65.99.103 |
| 110 | 10.65.99.104/29 | 10.65.99.105 – 10.65.99.110 | 10.65.99.111 |
| 111 | 10.65.99.112/29 | 10.65.99.113 – 10.65.99.118 | 10.65.99.119 |
| 112 | 10.65.99.120/29 | 10.65.99.121 – 10.65.99.126 | 10.65.99.127 |
| 113 | 10.65.99.128/29 | 10.65.99.129 – 10.65.99.134 | 10.65.99.135 |
| 114 | 10.65.99.136/29 | 10.65.99.137 – 10.65.99.142 | 10.65.99.143 |
| 115 | 10.65.99.144/29 | 10.65.99.145 – 10.65.99.150 | 10.65.99.151 |
| 116 | 10.65.99.152/29 | 10.65.99.153 – 10.65.99.158 | 10.65.99.159 |
| 117 | 10.65.99.160/29 | 10.65.99.161 – 10.65.99.166 | 10.65.99.167 |
| 118 | 10.65.99.168/29 | 10.65.99.169 – 10.65.99.174 | 10.65.99.175 |
| 119 | 10.65.99.176/29 | 10.65.99.177 – 10.65.99.182 | 10.65.99.183 |
| 120 | 10.65.99.184/29 | 10.65.99.185 – 10.65.99.190 | 10.65.99.191 |
| 121 | 10.65.99.192/29 | 10.65.99.193 – 10.65.99.198 | 10.65.99.199 |
| 122 | 10.65.99.200/29 | 10.65.99.201 – 10.65.99.206 | 10.65.99.207 |
| 123 | 10.65.99.208/29 | 10.65.99.209 – 10.65.99.214 | 10.65.99.215 |
| 124 | 10.65.99.216/29 | 10.65.99.217 – 10.65.99.222 | 10.65.99.223 |
| 125 | 10.65.99.224/29 | 10.65.99.225 – 10.65.99.230 | 10.65.99.231 |
| 126 | 10.65.99.232/29 | 10.65.99.233 – 10.65.99.238 | 10.65.99.239 |
| 127 | 10.65.99.240/29 | 10.65.99.241 – 10.65.99.246 | 10.65.99.247 |
| 128 | 10.65.99.248/29 | 10.65.99.249 – 10.65.99.254 | 10.65.99.255 |
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.