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.
/14 split into /21 · 128 subnets
close ×| # | network | host range | broadcast |
|---|---|---|---|
| 1 | 10.60.0.0/21 | 10.60.0.1 – 10.60.7.254 | 10.60.7.255 |
| 2 | 10.60.8.0/21 | 10.60.8.1 – 10.60.15.254 | 10.60.15.255 |
| 3 | 10.60.16.0/21 | 10.60.16.1 – 10.60.23.254 | 10.60.23.255 |
| 4 | 10.60.24.0/21 | 10.60.24.1 – 10.60.31.254 | 10.60.31.255 |
| 5 | 10.60.32.0/21 | 10.60.32.1 – 10.60.39.254 | 10.60.39.255 |
| 6 | 10.60.40.0/21 | 10.60.40.1 – 10.60.47.254 | 10.60.47.255 |
| 7 | 10.60.48.0/21 | 10.60.48.1 – 10.60.55.254 | 10.60.55.255 |
| 8 | 10.60.56.0/21 | 10.60.56.1 – 10.60.63.254 | 10.60.63.255 |
| 9 | 10.60.64.0/21 | 10.60.64.1 – 10.60.71.254 | 10.60.71.255 |
| 10 | 10.60.72.0/21 | 10.60.72.1 – 10.60.79.254 | 10.60.79.255 |
| 11 | 10.60.80.0/21 | 10.60.80.1 – 10.60.87.254 | 10.60.87.255 |
| 12 | 10.60.88.0/21 | 10.60.88.1 – 10.60.95.254 | 10.60.95.255 |
| 13 | 10.60.96.0/21 | 10.60.96.1 – 10.60.103.254 | 10.60.103.255 |
| 14 | 10.60.104.0/21 | 10.60.104.1 – 10.60.111.254 | 10.60.111.255 |
| 15 | 10.60.112.0/21 | 10.60.112.1 – 10.60.119.254 | 10.60.119.255 |
| 16 | 10.60.120.0/21 | 10.60.120.1 – 10.60.127.254 | 10.60.127.255 |
| 17 | 10.60.128.0/21 | 10.60.128.1 – 10.60.135.254 | 10.60.135.255 |
| 18 | 10.60.136.0/21 | 10.60.136.1 – 10.60.143.254 | 10.60.143.255 |
| 19 | 10.60.144.0/21 | 10.60.144.1 – 10.60.151.254 | 10.60.151.255 |
| 20 | 10.60.152.0/21 | 10.60.152.1 – 10.60.159.254 | 10.60.159.255 |
| 21 | 10.60.160.0/21 | 10.60.160.1 – 10.60.167.254 | 10.60.167.255 |
| 22 | 10.60.168.0/21 | 10.60.168.1 – 10.60.175.254 | 10.60.175.255 |
| 23 | 10.60.176.0/21 | 10.60.176.1 – 10.60.183.254 | 10.60.183.255 |
| 24 | 10.60.184.0/21 | 10.60.184.1 – 10.60.191.254 | 10.60.191.255 |
| 25 | 10.60.192.0/21 | 10.60.192.1 – 10.60.199.254 | 10.60.199.255 |
| 26 | 10.60.200.0/21 | 10.60.200.1 – 10.60.207.254 | 10.60.207.255 |
| 27 | 10.60.208.0/21 | 10.60.208.1 – 10.60.215.254 | 10.60.215.255 |
| 28 | 10.60.216.0/21 | 10.60.216.1 – 10.60.223.254 | 10.60.223.255 |
| 29 | 10.60.224.0/21 | 10.60.224.1 – 10.60.231.254 | 10.60.231.255 |
| 30 | 10.60.232.0/21 | 10.60.232.1 – 10.60.239.254 | 10.60.239.255 |
| 31 | 10.60.240.0/21 | 10.60.240.1 – 10.60.247.254 | 10.60.247.255 |
| 32 | 10.60.248.0/21 | 10.60.248.1 – 10.60.255.254 | 10.60.255.255 |
| 33 | 10.61.0.0/21 | 10.61.0.1 – 10.61.7.254 | 10.61.7.255 |
| 34 | 10.61.8.0/21 | 10.61.8.1 – 10.61.15.254 | 10.61.15.255 |
| 35 | 10.61.16.0/21 | 10.61.16.1 – 10.61.23.254 | 10.61.23.255 |
| 36 | 10.61.24.0/21 | 10.61.24.1 – 10.61.31.254 | 10.61.31.255 |
| 37 | 10.61.32.0/21 | 10.61.32.1 – 10.61.39.254 | 10.61.39.255 |
| 38 | 10.61.40.0/21 | 10.61.40.1 – 10.61.47.254 | 10.61.47.255 |
| 39 | 10.61.48.0/21 | 10.61.48.1 – 10.61.55.254 | 10.61.55.255 |
| 40 | 10.61.56.0/21 | 10.61.56.1 – 10.61.63.254 | 10.61.63.255 |
| 41 | 10.61.64.0/21 | 10.61.64.1 – 10.61.71.254 | 10.61.71.255 |
| 42 | 10.61.72.0/21 | 10.61.72.1 – 10.61.79.254 | 10.61.79.255 |
| 43 | 10.61.80.0/21 | 10.61.80.1 – 10.61.87.254 | 10.61.87.255 |
| 44 | 10.61.88.0/21 | 10.61.88.1 – 10.61.95.254 | 10.61.95.255 |
| 45 | 10.61.96.0/21 | 10.61.96.1 – 10.61.103.254 | 10.61.103.255 |
| 46 | 10.61.104.0/21 | 10.61.104.1 – 10.61.111.254 | 10.61.111.255 |
| 47 | 10.61.112.0/21 | 10.61.112.1 – 10.61.119.254 | 10.61.119.255 |
| 48 | 10.61.120.0/21 | 10.61.120.1 – 10.61.127.254 | 10.61.127.255 |
| 49 | 10.61.128.0/21 | 10.61.128.1 – 10.61.135.254 | 10.61.135.255 |
| 50 | 10.61.136.0/21 | 10.61.136.1 – 10.61.143.254 | 10.61.143.255 |
| 51 | 10.61.144.0/21 | 10.61.144.1 – 10.61.151.254 | 10.61.151.255 |
| 52 | 10.61.152.0/21 | 10.61.152.1 – 10.61.159.254 | 10.61.159.255 |
| 53 | 10.61.160.0/21 | 10.61.160.1 – 10.61.167.254 | 10.61.167.255 |
| 54 | 10.61.168.0/21 | 10.61.168.1 – 10.61.175.254 | 10.61.175.255 |
| 55 | 10.61.176.0/21 | 10.61.176.1 – 10.61.183.254 | 10.61.183.255 |
| 56 | 10.61.184.0/21 | 10.61.184.1 – 10.61.191.254 | 10.61.191.255 |
| 57 | 10.61.192.0/21 | 10.61.192.1 – 10.61.199.254 | 10.61.199.255 |
| 58 | 10.61.200.0/21 | 10.61.200.1 – 10.61.207.254 | 10.61.207.255 |
| 59 | 10.61.208.0/21 | 10.61.208.1 – 10.61.215.254 | 10.61.215.255 |
| 60 | 10.61.216.0/21 | 10.61.216.1 – 10.61.223.254 | 10.61.223.255 |
| 61 | 10.61.224.0/21 | 10.61.224.1 – 10.61.231.254 | 10.61.231.255 |
| 62 | 10.61.232.0/21 | 10.61.232.1 – 10.61.239.254 | 10.61.239.255 |
| 63 | 10.61.240.0/21 | 10.61.240.1 – 10.61.247.254 | 10.61.247.255 |
| 64 | 10.61.248.0/21 | 10.61.248.1 – 10.61.255.254 | 10.61.255.255 |
| 65 | 10.62.0.0/21 | 10.62.0.1 – 10.62.7.254 | 10.62.7.255 |
| 66 | 10.62.8.0/21 | 10.62.8.1 – 10.62.15.254 | 10.62.15.255 |
| 67 | 10.62.16.0/21 | 10.62.16.1 – 10.62.23.254 | 10.62.23.255 |
| 68 | 10.62.24.0/21 | 10.62.24.1 – 10.62.31.254 | 10.62.31.255 |
| 69 | 10.62.32.0/21 | 10.62.32.1 – 10.62.39.254 | 10.62.39.255 |
| 70 | 10.62.40.0/21 | 10.62.40.1 – 10.62.47.254 | 10.62.47.255 |
| 71 | 10.62.48.0/21 | 10.62.48.1 – 10.62.55.254 | 10.62.55.255 |
| 72 | 10.62.56.0/21 | 10.62.56.1 – 10.62.63.254 | 10.62.63.255 |
| 73 | 10.62.64.0/21 | 10.62.64.1 – 10.62.71.254 | 10.62.71.255 |
| 74 | 10.62.72.0/21 | 10.62.72.1 – 10.62.79.254 | 10.62.79.255 |
| 75 | 10.62.80.0/21 | 10.62.80.1 – 10.62.87.254 | 10.62.87.255 |
| 76 | 10.62.88.0/21 | 10.62.88.1 – 10.62.95.254 | 10.62.95.255 |
| 77 | 10.62.96.0/21 | 10.62.96.1 – 10.62.103.254 | 10.62.103.255 |
| 78 | 10.62.104.0/21 | 10.62.104.1 – 10.62.111.254 | 10.62.111.255 |
| 79 | 10.62.112.0/21 | 10.62.112.1 – 10.62.119.254 | 10.62.119.255 |
| 80 | 10.62.120.0/21 | 10.62.120.1 – 10.62.127.254 | 10.62.127.255 |
| 81 | 10.62.128.0/21 | 10.62.128.1 – 10.62.135.254 | 10.62.135.255 |
| 82 | 10.62.136.0/21 | 10.62.136.1 – 10.62.143.254 | 10.62.143.255 |
| 83 | 10.62.144.0/21 | 10.62.144.1 – 10.62.151.254 | 10.62.151.255 |
| 84 | 10.62.152.0/21 | 10.62.152.1 – 10.62.159.254 | 10.62.159.255 |
| 85 | 10.62.160.0/21 | 10.62.160.1 – 10.62.167.254 | 10.62.167.255 |
| 86 | 10.62.168.0/21 | 10.62.168.1 – 10.62.175.254 | 10.62.175.255 |
| 87 | 10.62.176.0/21 | 10.62.176.1 – 10.62.183.254 | 10.62.183.255 |
| 88 | 10.62.184.0/21 | 10.62.184.1 – 10.62.191.254 | 10.62.191.255 |
| 89 | 10.62.192.0/21 | 10.62.192.1 – 10.62.199.254 | 10.62.199.255 |
| 90 | 10.62.200.0/21 | 10.62.200.1 – 10.62.207.254 | 10.62.207.255 |
| 91 | 10.62.208.0/21 | 10.62.208.1 – 10.62.215.254 | 10.62.215.255 |
| 92 | 10.62.216.0/21 | 10.62.216.1 – 10.62.223.254 | 10.62.223.255 |
| 93 | 10.62.224.0/21 | 10.62.224.1 – 10.62.231.254 | 10.62.231.255 |
| 94 | 10.62.232.0/21 | 10.62.232.1 – 10.62.239.254 | 10.62.239.255 |
| 95 | 10.62.240.0/21 | 10.62.240.1 – 10.62.247.254 | 10.62.247.255 |
| 96 | 10.62.248.0/21 | 10.62.248.1 – 10.62.255.254 | 10.62.255.255 |
| 97 | 10.63.0.0/21 | 10.63.0.1 – 10.63.7.254 | 10.63.7.255 |
| 98 | 10.63.8.0/21 | 10.63.8.1 – 10.63.15.254 | 10.63.15.255 |
| 99 | 10.63.16.0/21 | 10.63.16.1 – 10.63.23.254 | 10.63.23.255 |
| 100 | 10.63.24.0/21 | 10.63.24.1 – 10.63.31.254 | 10.63.31.255 |
| 101 | 10.63.32.0/21 | 10.63.32.1 – 10.63.39.254 | 10.63.39.255 |
| 102 | 10.63.40.0/21 | 10.63.40.1 – 10.63.47.254 | 10.63.47.255 |
| 103 | 10.63.48.0/21 | 10.63.48.1 – 10.63.55.254 | 10.63.55.255 |
| 104 | 10.63.56.0/21 | 10.63.56.1 – 10.63.63.254 | 10.63.63.255 |
| 105 | 10.63.64.0/21 | 10.63.64.1 – 10.63.71.254 | 10.63.71.255 |
| 106 | 10.63.72.0/21 | 10.63.72.1 – 10.63.79.254 | 10.63.79.255 |
| 107 | 10.63.80.0/21 | 10.63.80.1 – 10.63.87.254 | 10.63.87.255 |
| 108 | 10.63.88.0/21 | 10.63.88.1 – 10.63.95.254 | 10.63.95.255 |
| 109 | 10.63.96.0/21 | 10.63.96.1 – 10.63.103.254 | 10.63.103.255 |
| 110 | 10.63.104.0/21 | 10.63.104.1 – 10.63.111.254 | 10.63.111.255 |
| 111 | 10.63.112.0/21 | 10.63.112.1 – 10.63.119.254 | 10.63.119.255 |
| 112 | 10.63.120.0/21 | 10.63.120.1 – 10.63.127.254 | 10.63.127.255 |
| 113 | 10.63.128.0/21 | 10.63.128.1 – 10.63.135.254 | 10.63.135.255 |
| 114 | 10.63.136.0/21 | 10.63.136.1 – 10.63.143.254 | 10.63.143.255 |
| 115 | 10.63.144.0/21 | 10.63.144.1 – 10.63.151.254 | 10.63.151.255 |
| 116 | 10.63.152.0/21 | 10.63.152.1 – 10.63.159.254 | 10.63.159.255 |
| 117 | 10.63.160.0/21 | 10.63.160.1 – 10.63.167.254 | 10.63.167.255 |
| 118 | 10.63.168.0/21 | 10.63.168.1 – 10.63.175.254 | 10.63.175.255 |
| 119 | 10.63.176.0/21 | 10.63.176.1 – 10.63.183.254 | 10.63.183.255 |
| 120 | 10.63.184.0/21 | 10.63.184.1 – 10.63.191.254 | 10.63.191.255 |
| 121 | 10.63.192.0/21 | 10.63.192.1 – 10.63.199.254 | 10.63.199.255 |
| 122 | 10.63.200.0/21 | 10.63.200.1 – 10.63.207.254 | 10.63.207.255 |
| 123 | 10.63.208.0/21 | 10.63.208.1 – 10.63.215.254 | 10.63.215.255 |
| 124 | 10.63.216.0/21 | 10.63.216.1 – 10.63.223.254 | 10.63.223.255 |
| 125 | 10.63.224.0/21 | 10.63.224.1 – 10.63.231.254 | 10.63.231.255 |
| 126 | 10.63.232.0/21 | 10.63.232.1 – 10.63.239.254 | 10.63.239.255 |
| 127 | 10.63.240.0/21 | 10.63.240.1 – 10.63.247.254 | 10.63.247.255 |
| 128 | 10.63.248.0/21 | 10.63.248.1 – 10.63.255.254 | 10.63.255.255 |
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 → |
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.