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
private IP (RFC 1918)10.26.96.0/19
network10.26.96.0/19
broadcast10.26.127.255
first host10.26.96.1
last host10.26.127.254
subnet mask255.255.224.0
wildcard0.0.31.255
addresses8,192
usable hosts8,190
classA
ipcalc 10.26.96.0/19
address00001010.00011010.01100000.00000000
subnet mask11111111.11111111.11100000.00000000
network00001010.00011010.01100000.00000000
broadcast00001010.00011010.01111111.11111111
green = network part, grey = host part
hex0x0a1a6000
decimal169500672
reverse dns0.96.26.10.in-addr.arpa
ipv4-mapped::ffff:a1a:6000

/19 split into /32 · 8,192 subnets

close ×
#networkhost rangebroadcast
110.26.96.0/3210.26.96.0 – 10.26.96.010.26.96.0
210.26.96.1/3210.26.96.1 – 10.26.96.110.26.96.1
310.26.96.2/3210.26.96.2 – 10.26.96.210.26.96.2
410.26.96.3/3210.26.96.3 – 10.26.96.310.26.96.3
510.26.96.4/3210.26.96.4 – 10.26.96.410.26.96.4
610.26.96.5/3210.26.96.5 – 10.26.96.510.26.96.5
710.26.96.6/3210.26.96.6 – 10.26.96.610.26.96.6
810.26.96.7/3210.26.96.7 – 10.26.96.710.26.96.7
910.26.96.8/3210.26.96.8 – 10.26.96.810.26.96.8
1010.26.96.9/3210.26.96.9 – 10.26.96.910.26.96.9
1110.26.96.10/3210.26.96.10 – 10.26.96.1010.26.96.10
1210.26.96.11/3210.26.96.11 – 10.26.96.1110.26.96.11
1310.26.96.12/3210.26.96.12 – 10.26.96.1210.26.96.12
1410.26.96.13/3210.26.96.13 – 10.26.96.1310.26.96.13
1510.26.96.14/3210.26.96.14 – 10.26.96.1410.26.96.14
1610.26.96.15/3210.26.96.15 – 10.26.96.1510.26.96.15
1710.26.96.16/3210.26.96.16 – 10.26.96.1610.26.96.16
1810.26.96.17/3210.26.96.17 – 10.26.96.1710.26.96.17
1910.26.96.18/3210.26.96.18 – 10.26.96.1810.26.96.18
2010.26.96.19/3210.26.96.19 – 10.26.96.1910.26.96.19
2110.26.96.20/3210.26.96.20 – 10.26.96.2010.26.96.20
2210.26.96.21/3210.26.96.21 – 10.26.96.2110.26.96.21
2310.26.96.22/3210.26.96.22 – 10.26.96.2210.26.96.22
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2710.26.96.26/3210.26.96.26 – 10.26.96.2610.26.96.26
2810.26.96.27/3210.26.96.27 – 10.26.96.2710.26.96.27
2910.26.96.28/3210.26.96.28 – 10.26.96.2810.26.96.28
3010.26.96.29/3210.26.96.29 – 10.26.96.2910.26.96.29
3110.26.96.30/3210.26.96.30 – 10.26.96.3010.26.96.30
3210.26.96.31/3210.26.96.31 – 10.26.96.3110.26.96.31
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5110.26.96.50/3210.26.96.50 – 10.26.96.5010.26.96.50
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6110.26.96.60/3210.26.96.60 – 10.26.96.6010.26.96.60
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6910.26.96.68/3210.26.96.68 – 10.26.96.6810.26.96.68
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7910.26.96.78/3210.26.96.78 – 10.26.96.7810.26.96.78
8010.26.96.79/3210.26.96.79 – 10.26.96.7910.26.96.79
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8910.26.96.88/3210.26.96.88 – 10.26.96.8810.26.96.88
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9110.26.96.90/3210.26.96.90 – 10.26.96.9010.26.96.90
9210.26.96.91/3210.26.96.91 – 10.26.96.9110.26.96.91
9310.26.96.92/3210.26.96.92 – 10.26.96.9210.26.96.92
9410.26.96.93/3210.26.96.93 – 10.26.96.9310.26.96.93
9510.26.96.94/3210.26.96.94 – 10.26.96.9410.26.96.94
9610.26.96.95/3210.26.96.95 – 10.26.96.9510.26.96.95
9710.26.96.96/3210.26.96.96 – 10.26.96.9610.26.96.96
9810.26.96.97/3210.26.96.97 – 10.26.96.9710.26.96.97
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11210.26.96.111/3210.26.96.111 – 10.26.96.11110.26.96.111
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11410.26.96.113/3210.26.96.113 – 10.26.96.11310.26.96.113
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12010.26.96.119/3210.26.96.119 – 10.26.96.11910.26.96.119
12110.26.96.120/3210.26.96.120 – 10.26.96.12010.26.96.120
12210.26.96.121/3210.26.96.121 – 10.26.96.12110.26.96.121
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14010.26.96.139/3210.26.96.139 – 10.26.96.13910.26.96.139
14110.26.96.140/3210.26.96.140 – 10.26.96.14010.26.96.140
14210.26.96.141/3210.26.96.141 – 10.26.96.14110.26.96.141
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14610.26.96.145/3210.26.96.145 – 10.26.96.14510.26.96.145
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15710.26.96.156/3210.26.96.156 – 10.26.96.15610.26.96.156
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15910.26.96.158/3210.26.96.158 – 10.26.96.15810.26.96.158
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22010.26.96.219/3210.26.96.219 – 10.26.96.21910.26.96.219
22110.26.96.220/3210.26.96.220 – 10.26.96.22010.26.96.220
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23010.26.96.229/3210.26.96.229 – 10.26.96.22910.26.96.229
23110.26.96.230/3210.26.96.230 – 10.26.96.23010.26.96.230
23210.26.96.231/3210.26.96.231 – 10.26.96.23110.26.96.231
23310.26.96.232/3210.26.96.232 – 10.26.96.23210.26.96.232
23410.26.96.233/3210.26.96.233 – 10.26.96.23310.26.96.233
23510.26.96.234/3210.26.96.234 – 10.26.96.23410.26.96.234
23610.26.96.235/3210.26.96.235 – 10.26.96.23510.26.96.235
23710.26.96.236/3210.26.96.236 – 10.26.96.23610.26.96.236
23810.26.96.237/3210.26.96.237 – 10.26.96.23710.26.96.237
23910.26.96.238/3210.26.96.238 – 10.26.96.23810.26.96.238
24010.26.96.239/3210.26.96.239 – 10.26.96.23910.26.96.239
24110.26.96.240/3210.26.96.240 – 10.26.96.24010.26.96.240
24210.26.96.241/3210.26.96.241 – 10.26.96.24110.26.96.241
24310.26.96.242/3210.26.96.242 – 10.26.96.24210.26.96.242
24410.26.96.243/3210.26.96.243 – 10.26.96.24310.26.96.243
24510.26.96.244/3210.26.96.244 – 10.26.96.24410.26.96.244
24610.26.96.245/3210.26.96.245 – 10.26.96.24510.26.96.245
24710.26.96.246/3210.26.96.246 – 10.26.96.24610.26.96.246
24810.26.96.247/3210.26.96.247 – 10.26.96.24710.26.96.247
24910.26.96.248/3210.26.96.248 – 10.26.96.24810.26.96.248
25010.26.96.249/3210.26.96.249 – 10.26.96.24910.26.96.249
25110.26.96.250/3210.26.96.250 – 10.26.96.25010.26.96.250
25210.26.96.251/3210.26.96.251 – 10.26.96.25110.26.96.251
25310.26.96.252/3210.26.96.252 – 10.26.96.25210.26.96.252
25410.26.96.253/3210.26.96.253 – 10.26.96.25310.26.96.253
25510.26.96.254/3210.26.96.254 – 10.26.96.25410.26.96.254
25610.26.96.255/3210.26.96.255 – 10.26.96.25510.26.96.255

showing 256 of 8,192

01 / table

IPv4 CIDR prefix table.

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

prefixsubnet maskaddresseshostsin your /19
/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-
/19255.255.224.08,1928,1901
/20255.255.240.04,0964,0942 split →
/21255.255.248.02,0482,0464 split →
/22255.255.252.01,0241,0228 split →
/23255.255.254.051251016 split →
/24255.255.255.025625432 split →
/25255.255.255.12812812664 split →
/26255.255.255.1926462128 split →
/27255.255.255.2243230256 split →
/28255.255.255.2401614512 split →
/29255.255.255.248861,024 split →
/30255.255.255.252422,048 split →
/31255.255.255.254224,096 split →
/32255.255.255.255118,192 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 →