ip
ipku.in

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.

$ ipcalc
Try:192.168.1.10/2410.0.0.0/8172.16.5.4/20203.0.113.9/29
IPv6 calculator →
private IP (RFC 1918)10.83.56.0/22
network10.83.56.0/22
broadcast10.83.59.255
first host10.83.56.1
last host10.83.59.254
subnet mask255.255.252.0
wildcard0.0.3.255
addresses1,024
usable hosts1,022
classA
ipcalc 10.83.56.0/22
address00001010.01010011.00111000.00000000
subnet mask11111111.11111111.11111100.00000000
network00001010.01010011.00111000.00000000
broadcast00001010.01010011.00111011.11111111
green = network part, grey = host part
hex0x0a533800
decimal173225984
reverse dns0.56.83.10.in-addr.arpa
ipv4-mapped::ffff:a53:3800

/22 split into /32 · 1,024 subnets

close ×
#networkhost rangebroadcast
110.83.56.0/3210.83.56.0 – 10.83.56.010.83.56.0
210.83.56.1/3210.83.56.1 – 10.83.56.110.83.56.1
310.83.56.2/3210.83.56.2 – 10.83.56.210.83.56.2
410.83.56.3/3210.83.56.3 – 10.83.56.310.83.56.3
510.83.56.4/3210.83.56.4 – 10.83.56.410.83.56.4
610.83.56.5/3210.83.56.5 – 10.83.56.510.83.56.5
710.83.56.6/3210.83.56.6 – 10.83.56.610.83.56.6
810.83.56.7/3210.83.56.7 – 10.83.56.710.83.56.7
910.83.56.8/3210.83.56.8 – 10.83.56.810.83.56.8
1010.83.56.9/3210.83.56.9 – 10.83.56.910.83.56.9
1110.83.56.10/3210.83.56.10 – 10.83.56.1010.83.56.10
1210.83.56.11/3210.83.56.11 – 10.83.56.1110.83.56.11
1310.83.56.12/3210.83.56.12 – 10.83.56.1210.83.56.12
1410.83.56.13/3210.83.56.13 – 10.83.56.1310.83.56.13
1510.83.56.14/3210.83.56.14 – 10.83.56.1410.83.56.14
1610.83.56.15/3210.83.56.15 – 10.83.56.1510.83.56.15
1710.83.56.16/3210.83.56.16 – 10.83.56.1610.83.56.16
1810.83.56.17/3210.83.56.17 – 10.83.56.1710.83.56.17
1910.83.56.18/3210.83.56.18 – 10.83.56.1810.83.56.18
2010.83.56.19/3210.83.56.19 – 10.83.56.1910.83.56.19
2110.83.56.20/3210.83.56.20 – 10.83.56.2010.83.56.20
2210.83.56.21/3210.83.56.21 – 10.83.56.2110.83.56.21
2310.83.56.22/3210.83.56.22 – 10.83.56.2210.83.56.22
2410.83.56.23/3210.83.56.23 – 10.83.56.2310.83.56.23
2510.83.56.24/3210.83.56.24 – 10.83.56.2410.83.56.24
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2810.83.56.27/3210.83.56.27 – 10.83.56.2710.83.56.27
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3010.83.56.29/3210.83.56.29 – 10.83.56.2910.83.56.29
3110.83.56.30/3210.83.56.30 – 10.83.56.3010.83.56.30
3210.83.56.31/3210.83.56.31 – 10.83.56.3110.83.56.31
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3910.83.56.38/3210.83.56.38 – 10.83.56.3810.83.56.38
4010.83.56.39/3210.83.56.39 – 10.83.56.3910.83.56.39
4110.83.56.40/3210.83.56.40 – 10.83.56.4010.83.56.40
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9110.83.56.90/3210.83.56.90 – 10.83.56.9010.83.56.90
9210.83.56.91/3210.83.56.91 – 10.83.56.9110.83.56.91
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9410.83.56.93/3210.83.56.93 – 10.83.56.9310.83.56.93
9510.83.56.94/3210.83.56.94 – 10.83.56.9410.83.56.94
9610.83.56.95/3210.83.56.95 – 10.83.56.9510.83.56.95
9710.83.56.96/3210.83.56.96 – 10.83.56.9610.83.56.96
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11210.83.56.111/3210.83.56.111 – 10.83.56.11110.83.56.111
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14010.83.56.139/3210.83.56.139 – 10.83.56.13910.83.56.139
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14210.83.56.141/3210.83.56.141 – 10.83.56.14110.83.56.141
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16110.83.56.160/3210.83.56.160 – 10.83.56.16010.83.56.160
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22910.83.56.228/3210.83.56.228 – 10.83.56.22810.83.56.228
23010.83.56.229/3210.83.56.229 – 10.83.56.22910.83.56.229
23110.83.56.230/3210.83.56.230 – 10.83.56.23010.83.56.230
23210.83.56.231/3210.83.56.231 – 10.83.56.23110.83.56.231
23310.83.56.232/3210.83.56.232 – 10.83.56.23210.83.56.232
23410.83.56.233/3210.83.56.233 – 10.83.56.23310.83.56.233
23510.83.56.234/3210.83.56.234 – 10.83.56.23410.83.56.234
23610.83.56.235/3210.83.56.235 – 10.83.56.23510.83.56.235
23710.83.56.236/3210.83.56.236 – 10.83.56.23610.83.56.236
23810.83.56.237/3210.83.56.237 – 10.83.56.23710.83.56.237
23910.83.56.238/3210.83.56.238 – 10.83.56.23810.83.56.238
24010.83.56.239/3210.83.56.239 – 10.83.56.23910.83.56.239
24110.83.56.240/3210.83.56.240 – 10.83.56.24010.83.56.240
24210.83.56.241/3210.83.56.241 – 10.83.56.24110.83.56.241
24310.83.56.242/3210.83.56.242 – 10.83.56.24210.83.56.242
24410.83.56.243/3210.83.56.243 – 10.83.56.24310.83.56.243
24510.83.56.244/3210.83.56.244 – 10.83.56.24410.83.56.244
24610.83.56.245/3210.83.56.245 – 10.83.56.24510.83.56.245
24710.83.56.246/3210.83.56.246 – 10.83.56.24610.83.56.246
24810.83.56.247/3210.83.56.247 – 10.83.56.24710.83.56.247
24910.83.56.248/3210.83.56.248 – 10.83.56.24810.83.56.248
25010.83.56.249/3210.83.56.249 – 10.83.56.24910.83.56.249
25110.83.56.250/3210.83.56.250 – 10.83.56.25010.83.56.250
25210.83.56.251/3210.83.56.251 – 10.83.56.25110.83.56.251
25310.83.56.252/3210.83.56.252 – 10.83.56.25210.83.56.252
25410.83.56.253/3210.83.56.253 – 10.83.56.25310.83.56.253
25510.83.56.254/3210.83.56.254 – 10.83.56.25410.83.56.254
25610.83.56.255/3210.83.56.255 – 10.83.56.25510.83.56.255

showing 256 of 1,024

01 / table

IPv4 CIDR prefix table.

Click a prefix longer than your network to split it into subnets.

prefixsubnet maskaddresseshostsin your /22
/00.0.0.04,294,967,2964,294,967,294-
/1128.0.0.02,147,483,6482,147,483,646-
/2192.0.0.01,073,741,8241,073,741,822-
/3224.0.0.0536,870,912536,870,910-
/4240.0.0.0268,435,456268,435,454-
/5248.0.0.0134,217,728134,217,726-
/6252.0.0.067,108,86467,108,862-
/7254.0.0.033,554,43233,554,430-
/8255.0.0.016,777,21616,777,214-
/9255.128.0.08,388,6088,388,606-
/10255.192.0.04,194,3044,194,302-
/11255.224.0.02,097,1522,097,150-
/12255.240.0.01,048,5761,048,574-
/13255.248.0.0524,288524,286-
/14255.252.0.0262,144262,142-
/15255.254.0.0131,072131,070-
/16255.255.0.065,53665,534-
/17255.255.128.032,76832,766-
/18255.255.192.016,38416,382-
/19255.255.224.08,1928,190-
/20255.255.240.04,0964,094-
/21255.255.248.02,0482,046-
/22255.255.252.01,0241,0221
/23255.255.254.05125102 split →
/24255.255.255.02562544 split →
/25255.255.255.1281281268 split →
/26255.255.255.192646216 split →
/27255.255.255.224323032 split →
/28255.255.255.240161464 split →
/29255.255.255.24886128 split →
/30255.255.255.25242256 split →
/31255.255.255.25422512 split →
/32255.255.255.255111,024 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.

Learn how to work it out →