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)10.172.0.0/14
network10.172.0.0/14
broadcast10.175.255.255
first host10.172.0.1
last host10.175.255.254
subnet mask255.252.0.0
wildcard0.3.255.255
addresses262,144
usable hosts262,142
classA
ipcalc 10.172.0.0/14
address00001010.10101100.00000000.00000000
subnet mask11111111.11111100.00000000.00000000
network00001010.10101100.00000000.00000000
broadcast00001010.10101111.11111111.11111111
green = network part, grey = host part
hex0x0aac0000
decimal179044352
reverse dns0.0.172.10.in-addr.arpa
ipv4-mapped::ffff:aac:0
/14 split into /21 · 128 subnets
close ×| # | network | host range | broadcast |
|---|---|---|---|
| 1 | 10.172.0.0/21 | 10.172.0.1 – 10.172.7.254 | 10.172.7.255 |
| 2 | 10.172.8.0/21 | 10.172.8.1 – 10.172.15.254 | 10.172.15.255 |
| 3 | 10.172.16.0/21 | 10.172.16.1 – 10.172.23.254 | 10.172.23.255 |
| 4 | 10.172.24.0/21 | 10.172.24.1 – 10.172.31.254 | 10.172.31.255 |
| 5 | 10.172.32.0/21 | 10.172.32.1 – 10.172.39.254 | 10.172.39.255 |
| 6 | 10.172.40.0/21 | 10.172.40.1 – 10.172.47.254 | 10.172.47.255 |
| 7 | 10.172.48.0/21 | 10.172.48.1 – 10.172.55.254 | 10.172.55.255 |
| 8 | 10.172.56.0/21 | 10.172.56.1 – 10.172.63.254 | 10.172.63.255 |
| 9 | 10.172.64.0/21 | 10.172.64.1 – 10.172.71.254 | 10.172.71.255 |
| 10 | 10.172.72.0/21 | 10.172.72.1 – 10.172.79.254 | 10.172.79.255 |
| 11 | 10.172.80.0/21 | 10.172.80.1 – 10.172.87.254 | 10.172.87.255 |
| 12 | 10.172.88.0/21 | 10.172.88.1 – 10.172.95.254 | 10.172.95.255 |
| 13 | 10.172.96.0/21 | 10.172.96.1 – 10.172.103.254 | 10.172.103.255 |
| 14 | 10.172.104.0/21 | 10.172.104.1 – 10.172.111.254 | 10.172.111.255 |
| 15 | 10.172.112.0/21 | 10.172.112.1 – 10.172.119.254 | 10.172.119.255 |
| 16 | 10.172.120.0/21 | 10.172.120.1 – 10.172.127.254 | 10.172.127.255 |
| 17 | 10.172.128.0/21 | 10.172.128.1 – 10.172.135.254 | 10.172.135.255 |
| 18 | 10.172.136.0/21 | 10.172.136.1 – 10.172.143.254 | 10.172.143.255 |
| 19 | 10.172.144.0/21 | 10.172.144.1 – 10.172.151.254 | 10.172.151.255 |
| 20 | 10.172.152.0/21 | 10.172.152.1 – 10.172.159.254 | 10.172.159.255 |
| 21 | 10.172.160.0/21 | 10.172.160.1 – 10.172.167.254 | 10.172.167.255 |
| 22 | 10.172.168.0/21 | 10.172.168.1 – 10.172.175.254 | 10.172.175.255 |
| 23 | 10.172.176.0/21 | 10.172.176.1 – 10.172.183.254 | 10.172.183.255 |
| 24 | 10.172.184.0/21 | 10.172.184.1 – 10.172.191.254 | 10.172.191.255 |
| 25 | 10.172.192.0/21 | 10.172.192.1 – 10.172.199.254 | 10.172.199.255 |
| 26 | 10.172.200.0/21 | 10.172.200.1 – 10.172.207.254 | 10.172.207.255 |
| 27 | 10.172.208.0/21 | 10.172.208.1 – 10.172.215.254 | 10.172.215.255 |
| 28 | 10.172.216.0/21 | 10.172.216.1 – 10.172.223.254 | 10.172.223.255 |
| 29 | 10.172.224.0/21 | 10.172.224.1 – 10.172.231.254 | 10.172.231.255 |
| 30 | 10.172.232.0/21 | 10.172.232.1 – 10.172.239.254 | 10.172.239.255 |
| 31 | 10.172.240.0/21 | 10.172.240.1 – 10.172.247.254 | 10.172.247.255 |
| 32 | 10.172.248.0/21 | 10.172.248.1 – 10.172.255.254 | 10.172.255.255 |
| 33 | 10.173.0.0/21 | 10.173.0.1 – 10.173.7.254 | 10.173.7.255 |
| 34 | 10.173.8.0/21 | 10.173.8.1 – 10.173.15.254 | 10.173.15.255 |
| 35 | 10.173.16.0/21 | 10.173.16.1 – 10.173.23.254 | 10.173.23.255 |
| 36 | 10.173.24.0/21 | 10.173.24.1 – 10.173.31.254 | 10.173.31.255 |
| 37 | 10.173.32.0/21 | 10.173.32.1 – 10.173.39.254 | 10.173.39.255 |
| 38 | 10.173.40.0/21 | 10.173.40.1 – 10.173.47.254 | 10.173.47.255 |
| 39 | 10.173.48.0/21 | 10.173.48.1 – 10.173.55.254 | 10.173.55.255 |
| 40 | 10.173.56.0/21 | 10.173.56.1 – 10.173.63.254 | 10.173.63.255 |
| 41 | 10.173.64.0/21 | 10.173.64.1 – 10.173.71.254 | 10.173.71.255 |
| 42 | 10.173.72.0/21 | 10.173.72.1 – 10.173.79.254 | 10.173.79.255 |
| 43 | 10.173.80.0/21 | 10.173.80.1 – 10.173.87.254 | 10.173.87.255 |
| 44 | 10.173.88.0/21 | 10.173.88.1 – 10.173.95.254 | 10.173.95.255 |
| 45 | 10.173.96.0/21 | 10.173.96.1 – 10.173.103.254 | 10.173.103.255 |
| 46 | 10.173.104.0/21 | 10.173.104.1 – 10.173.111.254 | 10.173.111.255 |
| 47 | 10.173.112.0/21 | 10.173.112.1 – 10.173.119.254 | 10.173.119.255 |
| 48 | 10.173.120.0/21 | 10.173.120.1 – 10.173.127.254 | 10.173.127.255 |
| 49 | 10.173.128.0/21 | 10.173.128.1 – 10.173.135.254 | 10.173.135.255 |
| 50 | 10.173.136.0/21 | 10.173.136.1 – 10.173.143.254 | 10.173.143.255 |
| 51 | 10.173.144.0/21 | 10.173.144.1 – 10.173.151.254 | 10.173.151.255 |
| 52 | 10.173.152.0/21 | 10.173.152.1 – 10.173.159.254 | 10.173.159.255 |
| 53 | 10.173.160.0/21 | 10.173.160.1 – 10.173.167.254 | 10.173.167.255 |
| 54 | 10.173.168.0/21 | 10.173.168.1 – 10.173.175.254 | 10.173.175.255 |
| 55 | 10.173.176.0/21 | 10.173.176.1 – 10.173.183.254 | 10.173.183.255 |
| 56 | 10.173.184.0/21 | 10.173.184.1 – 10.173.191.254 | 10.173.191.255 |
| 57 | 10.173.192.0/21 | 10.173.192.1 – 10.173.199.254 | 10.173.199.255 |
| 58 | 10.173.200.0/21 | 10.173.200.1 – 10.173.207.254 | 10.173.207.255 |
| 59 | 10.173.208.0/21 | 10.173.208.1 – 10.173.215.254 | 10.173.215.255 |
| 60 | 10.173.216.0/21 | 10.173.216.1 – 10.173.223.254 | 10.173.223.255 |
| 61 | 10.173.224.0/21 | 10.173.224.1 – 10.173.231.254 | 10.173.231.255 |
| 62 | 10.173.232.0/21 | 10.173.232.1 – 10.173.239.254 | 10.173.239.255 |
| 63 | 10.173.240.0/21 | 10.173.240.1 – 10.173.247.254 | 10.173.247.255 |
| 64 | 10.173.248.0/21 | 10.173.248.1 – 10.173.255.254 | 10.173.255.255 |
| 65 | 10.174.0.0/21 | 10.174.0.1 – 10.174.7.254 | 10.174.7.255 |
| 66 | 10.174.8.0/21 | 10.174.8.1 – 10.174.15.254 | 10.174.15.255 |
| 67 | 10.174.16.0/21 | 10.174.16.1 – 10.174.23.254 | 10.174.23.255 |
| 68 | 10.174.24.0/21 | 10.174.24.1 – 10.174.31.254 | 10.174.31.255 |
| 69 | 10.174.32.0/21 | 10.174.32.1 – 10.174.39.254 | 10.174.39.255 |
| 70 | 10.174.40.0/21 | 10.174.40.1 – 10.174.47.254 | 10.174.47.255 |
| 71 | 10.174.48.0/21 | 10.174.48.1 – 10.174.55.254 | 10.174.55.255 |
| 72 | 10.174.56.0/21 | 10.174.56.1 – 10.174.63.254 | 10.174.63.255 |
| 73 | 10.174.64.0/21 | 10.174.64.1 – 10.174.71.254 | 10.174.71.255 |
| 74 | 10.174.72.0/21 | 10.174.72.1 – 10.174.79.254 | 10.174.79.255 |
| 75 | 10.174.80.0/21 | 10.174.80.1 – 10.174.87.254 | 10.174.87.255 |
| 76 | 10.174.88.0/21 | 10.174.88.1 – 10.174.95.254 | 10.174.95.255 |
| 77 | 10.174.96.0/21 | 10.174.96.1 – 10.174.103.254 | 10.174.103.255 |
| 78 | 10.174.104.0/21 | 10.174.104.1 – 10.174.111.254 | 10.174.111.255 |
| 79 | 10.174.112.0/21 | 10.174.112.1 – 10.174.119.254 | 10.174.119.255 |
| 80 | 10.174.120.0/21 | 10.174.120.1 – 10.174.127.254 | 10.174.127.255 |
| 81 | 10.174.128.0/21 | 10.174.128.1 – 10.174.135.254 | 10.174.135.255 |
| 82 | 10.174.136.0/21 | 10.174.136.1 – 10.174.143.254 | 10.174.143.255 |
| 83 | 10.174.144.0/21 | 10.174.144.1 – 10.174.151.254 | 10.174.151.255 |
| 84 | 10.174.152.0/21 | 10.174.152.1 – 10.174.159.254 | 10.174.159.255 |
| 85 | 10.174.160.0/21 | 10.174.160.1 – 10.174.167.254 | 10.174.167.255 |
| 86 | 10.174.168.0/21 | 10.174.168.1 – 10.174.175.254 | 10.174.175.255 |
| 87 | 10.174.176.0/21 | 10.174.176.1 – 10.174.183.254 | 10.174.183.255 |
| 88 | 10.174.184.0/21 | 10.174.184.1 – 10.174.191.254 | 10.174.191.255 |
| 89 | 10.174.192.0/21 | 10.174.192.1 – 10.174.199.254 | 10.174.199.255 |
| 90 | 10.174.200.0/21 | 10.174.200.1 – 10.174.207.254 | 10.174.207.255 |
| 91 | 10.174.208.0/21 | 10.174.208.1 – 10.174.215.254 | 10.174.215.255 |
| 92 | 10.174.216.0/21 | 10.174.216.1 – 10.174.223.254 | 10.174.223.255 |
| 93 | 10.174.224.0/21 | 10.174.224.1 – 10.174.231.254 | 10.174.231.255 |
| 94 | 10.174.232.0/21 | 10.174.232.1 – 10.174.239.254 | 10.174.239.255 |
| 95 | 10.174.240.0/21 | 10.174.240.1 – 10.174.247.254 | 10.174.247.255 |
| 96 | 10.174.248.0/21 | 10.174.248.1 – 10.174.255.254 | 10.174.255.255 |
| 97 | 10.175.0.0/21 | 10.175.0.1 – 10.175.7.254 | 10.175.7.255 |
| 98 | 10.175.8.0/21 | 10.175.8.1 – 10.175.15.254 | 10.175.15.255 |
| 99 | 10.175.16.0/21 | 10.175.16.1 – 10.175.23.254 | 10.175.23.255 |
| 100 | 10.175.24.0/21 | 10.175.24.1 – 10.175.31.254 | 10.175.31.255 |
| 101 | 10.175.32.0/21 | 10.175.32.1 – 10.175.39.254 | 10.175.39.255 |
| 102 | 10.175.40.0/21 | 10.175.40.1 – 10.175.47.254 | 10.175.47.255 |
| 103 | 10.175.48.0/21 | 10.175.48.1 – 10.175.55.254 | 10.175.55.255 |
| 104 | 10.175.56.0/21 | 10.175.56.1 – 10.175.63.254 | 10.175.63.255 |
| 105 | 10.175.64.0/21 | 10.175.64.1 – 10.175.71.254 | 10.175.71.255 |
| 106 | 10.175.72.0/21 | 10.175.72.1 – 10.175.79.254 | 10.175.79.255 |
| 107 | 10.175.80.0/21 | 10.175.80.1 – 10.175.87.254 | 10.175.87.255 |
| 108 | 10.175.88.0/21 | 10.175.88.1 – 10.175.95.254 | 10.175.95.255 |
| 109 | 10.175.96.0/21 | 10.175.96.1 – 10.175.103.254 | 10.175.103.255 |
| 110 | 10.175.104.0/21 | 10.175.104.1 – 10.175.111.254 | 10.175.111.255 |
| 111 | 10.175.112.0/21 | 10.175.112.1 – 10.175.119.254 | 10.175.119.255 |
| 112 | 10.175.120.0/21 | 10.175.120.1 – 10.175.127.254 | 10.175.127.255 |
| 113 | 10.175.128.0/21 | 10.175.128.1 – 10.175.135.254 | 10.175.135.255 |
| 114 | 10.175.136.0/21 | 10.175.136.1 – 10.175.143.254 | 10.175.143.255 |
| 115 | 10.175.144.0/21 | 10.175.144.1 – 10.175.151.254 | 10.175.151.255 |
| 116 | 10.175.152.0/21 | 10.175.152.1 – 10.175.159.254 | 10.175.159.255 |
| 117 | 10.175.160.0/21 | 10.175.160.1 – 10.175.167.254 | 10.175.167.255 |
| 118 | 10.175.168.0/21 | 10.175.168.1 – 10.175.175.254 | 10.175.175.255 |
| 119 | 10.175.176.0/21 | 10.175.176.1 – 10.175.183.254 | 10.175.183.255 |
| 120 | 10.175.184.0/21 | 10.175.184.1 – 10.175.191.254 | 10.175.191.255 |
| 121 | 10.175.192.0/21 | 10.175.192.1 – 10.175.199.254 | 10.175.199.255 |
| 122 | 10.175.200.0/21 | 10.175.200.1 – 10.175.207.254 | 10.175.207.255 |
| 123 | 10.175.208.0/21 | 10.175.208.1 – 10.175.215.254 | 10.175.215.255 |
| 124 | 10.175.216.0/21 | 10.175.216.1 – 10.175.223.254 | 10.175.223.255 |
| 125 | 10.175.224.0/21 | 10.175.224.1 – 10.175.231.254 | 10.175.231.255 |
| 126 | 10.175.232.0/21 | 10.175.232.1 – 10.175.239.254 | 10.175.239.255 |
| 127 | 10.175.240.0/21 | 10.175.240.1 – 10.175.247.254 | 10.175.247.255 |
| 128 | 10.175.248.0/21 | 10.175.248.1 – 10.175.255.254 | 10.175.255.255 |
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 /14 |
|---|---|---|---|---|
| /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 | 1 |
| /15 | 255.254.0.0 | 131,072 | 131,070 | 2 split → |
| /16 | 255.255.0.0 | 65,536 | 65,534 | 4 split → |
| /17 | 255.255.128.0 | 32,768 | 32,766 | 8 split → |
| /18 | 255.255.192.0 | 16,384 | 16,382 | 16 split → |
| /19 | 255.255.224.0 | 8,192 | 8,190 | 32 split → |
| /20 | 255.255.240.0 | 4,096 | 4,094 | 64 split → |
| /21 | 255.255.248.0 | 2,048 | 2,046 | 128 split → |
| /22 | 255.255.252.0 | 1,024 | 1,022 | 256 split → |
| /23 | 255.255.254.0 | 512 | 510 | 512 split → |
| /24 | 255.255.255.0 | 256 | 254 | 1,024 split → |
| /25 | 255.255.255.128 | 128 | 126 | 2,048 split → |
| /26 | 255.255.255.192 | 64 | 62 | 4,096 split → |
| /27 | 255.255.255.224 | 32 | 30 | 8,192 split → |
| /28 | 255.255.255.240 | 16 | 14 | 16,384 split → |
| /29 | 255.255.255.248 | 8 | 6 | 32,768 split → |
| /30 | 255.255.255.252 | 4 | 2 | 65,536 split → |
| /31 | 255.255.255.254 | 2 | 2 | 131,072 split → |
| /32 | 255.255.255.255 | 1 | 1 | 262,144 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.