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)10.2.113.0/24
network10.2.113.0/24
broadcast10.2.113.255
first host10.2.113.1
last host10.2.113.254
subnet mask255.255.255.0
wildcard0.0.0.255
addresses256
usable hosts254
classA
ipcalc 10.2.113.0/24
address00001010.00000010.01110001.00000000
subnet mask11111111.11111111.11111111.00000000
network00001010.00000010.01110001.00000000
broadcast00001010.00000010.01110001.11111111
green = network part, grey = host part
hex0x0a027100
decimal167932160
reverse dns0.113.2.10.in-addr.arpa
ipv4-mapped::ffff:a02:7100

/24 split into /31 · 128 subnets

close ×
#networkhost rangebroadcast
110.2.113.0/3110.2.113.0 – 10.2.113.110.2.113.1
210.2.113.2/3110.2.113.2 – 10.2.113.310.2.113.3
310.2.113.4/3110.2.113.4 – 10.2.113.510.2.113.5
410.2.113.6/3110.2.113.6 – 10.2.113.710.2.113.7
510.2.113.8/3110.2.113.8 – 10.2.113.910.2.113.9
610.2.113.10/3110.2.113.10 – 10.2.113.1110.2.113.11
710.2.113.12/3110.2.113.12 – 10.2.113.1310.2.113.13
810.2.113.14/3110.2.113.14 – 10.2.113.1510.2.113.15
910.2.113.16/3110.2.113.16 – 10.2.113.1710.2.113.17
1010.2.113.18/3110.2.113.18 – 10.2.113.1910.2.113.19
1110.2.113.20/3110.2.113.20 – 10.2.113.2110.2.113.21
1210.2.113.22/3110.2.113.22 – 10.2.113.2310.2.113.23
1310.2.113.24/3110.2.113.24 – 10.2.113.2510.2.113.25
1410.2.113.26/3110.2.113.26 – 10.2.113.2710.2.113.27
1510.2.113.28/3110.2.113.28 – 10.2.113.2910.2.113.29
1610.2.113.30/3110.2.113.30 – 10.2.113.3110.2.113.31
1710.2.113.32/3110.2.113.32 – 10.2.113.3310.2.113.33
1810.2.113.34/3110.2.113.34 – 10.2.113.3510.2.113.35
1910.2.113.36/3110.2.113.36 – 10.2.113.3710.2.113.37
2010.2.113.38/3110.2.113.38 – 10.2.113.3910.2.113.39
2110.2.113.40/3110.2.113.40 – 10.2.113.4110.2.113.41
2210.2.113.42/3110.2.113.42 – 10.2.113.4310.2.113.43
2310.2.113.44/3110.2.113.44 – 10.2.113.4510.2.113.45
2410.2.113.46/3110.2.113.46 – 10.2.113.4710.2.113.47
2510.2.113.48/3110.2.113.48 – 10.2.113.4910.2.113.49
2610.2.113.50/3110.2.113.50 – 10.2.113.5110.2.113.51
2710.2.113.52/3110.2.113.52 – 10.2.113.5310.2.113.53
2810.2.113.54/3110.2.113.54 – 10.2.113.5510.2.113.55
2910.2.113.56/3110.2.113.56 – 10.2.113.5710.2.113.57
3010.2.113.58/3110.2.113.58 – 10.2.113.5910.2.113.59
3110.2.113.60/3110.2.113.60 – 10.2.113.6110.2.113.61
3210.2.113.62/3110.2.113.62 – 10.2.113.6310.2.113.63
3310.2.113.64/3110.2.113.64 – 10.2.113.6510.2.113.65
3410.2.113.66/3110.2.113.66 – 10.2.113.6710.2.113.67
3510.2.113.68/3110.2.113.68 – 10.2.113.6910.2.113.69
3610.2.113.70/3110.2.113.70 – 10.2.113.7110.2.113.71
3710.2.113.72/3110.2.113.72 – 10.2.113.7310.2.113.73
3810.2.113.74/3110.2.113.74 – 10.2.113.7510.2.113.75
3910.2.113.76/3110.2.113.76 – 10.2.113.7710.2.113.77
4010.2.113.78/3110.2.113.78 – 10.2.113.7910.2.113.79
4110.2.113.80/3110.2.113.80 – 10.2.113.8110.2.113.81
4210.2.113.82/3110.2.113.82 – 10.2.113.8310.2.113.83
4310.2.113.84/3110.2.113.84 – 10.2.113.8510.2.113.85
4410.2.113.86/3110.2.113.86 – 10.2.113.8710.2.113.87
4510.2.113.88/3110.2.113.88 – 10.2.113.8910.2.113.89
4610.2.113.90/3110.2.113.90 – 10.2.113.9110.2.113.91
4710.2.113.92/3110.2.113.92 – 10.2.113.9310.2.113.93
4810.2.113.94/3110.2.113.94 – 10.2.113.9510.2.113.95
4910.2.113.96/3110.2.113.96 – 10.2.113.9710.2.113.97
5010.2.113.98/3110.2.113.98 – 10.2.113.9910.2.113.99
5110.2.113.100/3110.2.113.100 – 10.2.113.10110.2.113.101
5210.2.113.102/3110.2.113.102 – 10.2.113.10310.2.113.103
5310.2.113.104/3110.2.113.104 – 10.2.113.10510.2.113.105
5410.2.113.106/3110.2.113.106 – 10.2.113.10710.2.113.107
5510.2.113.108/3110.2.113.108 – 10.2.113.10910.2.113.109
5610.2.113.110/3110.2.113.110 – 10.2.113.11110.2.113.111
5710.2.113.112/3110.2.113.112 – 10.2.113.11310.2.113.113
5810.2.113.114/3110.2.113.114 – 10.2.113.11510.2.113.115
5910.2.113.116/3110.2.113.116 – 10.2.113.11710.2.113.117
6010.2.113.118/3110.2.113.118 – 10.2.113.11910.2.113.119
6110.2.113.120/3110.2.113.120 – 10.2.113.12110.2.113.121
6210.2.113.122/3110.2.113.122 – 10.2.113.12310.2.113.123
6310.2.113.124/3110.2.113.124 – 10.2.113.12510.2.113.125
6410.2.113.126/3110.2.113.126 – 10.2.113.12710.2.113.127
6510.2.113.128/3110.2.113.128 – 10.2.113.12910.2.113.129
6610.2.113.130/3110.2.113.130 – 10.2.113.13110.2.113.131
6710.2.113.132/3110.2.113.132 – 10.2.113.13310.2.113.133
6810.2.113.134/3110.2.113.134 – 10.2.113.13510.2.113.135
6910.2.113.136/3110.2.113.136 – 10.2.113.13710.2.113.137
7010.2.113.138/3110.2.113.138 – 10.2.113.13910.2.113.139
7110.2.113.140/3110.2.113.140 – 10.2.113.14110.2.113.141
7210.2.113.142/3110.2.113.142 – 10.2.113.14310.2.113.143
7310.2.113.144/3110.2.113.144 – 10.2.113.14510.2.113.145
7410.2.113.146/3110.2.113.146 – 10.2.113.14710.2.113.147
7510.2.113.148/3110.2.113.148 – 10.2.113.14910.2.113.149
7610.2.113.150/3110.2.113.150 – 10.2.113.15110.2.113.151
7710.2.113.152/3110.2.113.152 – 10.2.113.15310.2.113.153
7810.2.113.154/3110.2.113.154 – 10.2.113.15510.2.113.155
7910.2.113.156/3110.2.113.156 – 10.2.113.15710.2.113.157
8010.2.113.158/3110.2.113.158 – 10.2.113.15910.2.113.159
8110.2.113.160/3110.2.113.160 – 10.2.113.16110.2.113.161
8210.2.113.162/3110.2.113.162 – 10.2.113.16310.2.113.163
8310.2.113.164/3110.2.113.164 – 10.2.113.16510.2.113.165
8410.2.113.166/3110.2.113.166 – 10.2.113.16710.2.113.167
8510.2.113.168/3110.2.113.168 – 10.2.113.16910.2.113.169
8610.2.113.170/3110.2.113.170 – 10.2.113.17110.2.113.171
8710.2.113.172/3110.2.113.172 – 10.2.113.17310.2.113.173
8810.2.113.174/3110.2.113.174 – 10.2.113.17510.2.113.175
8910.2.113.176/3110.2.113.176 – 10.2.113.17710.2.113.177
9010.2.113.178/3110.2.113.178 – 10.2.113.17910.2.113.179
9110.2.113.180/3110.2.113.180 – 10.2.113.18110.2.113.181
9210.2.113.182/3110.2.113.182 – 10.2.113.18310.2.113.183
9310.2.113.184/3110.2.113.184 – 10.2.113.18510.2.113.185
9410.2.113.186/3110.2.113.186 – 10.2.113.18710.2.113.187
9510.2.113.188/3110.2.113.188 – 10.2.113.18910.2.113.189
9610.2.113.190/3110.2.113.190 – 10.2.113.19110.2.113.191
9710.2.113.192/3110.2.113.192 – 10.2.113.19310.2.113.193
9810.2.113.194/3110.2.113.194 – 10.2.113.19510.2.113.195
9910.2.113.196/3110.2.113.196 – 10.2.113.19710.2.113.197
10010.2.113.198/3110.2.113.198 – 10.2.113.19910.2.113.199
10110.2.113.200/3110.2.113.200 – 10.2.113.20110.2.113.201
10210.2.113.202/3110.2.113.202 – 10.2.113.20310.2.113.203
10310.2.113.204/3110.2.113.204 – 10.2.113.20510.2.113.205
10410.2.113.206/3110.2.113.206 – 10.2.113.20710.2.113.207
10510.2.113.208/3110.2.113.208 – 10.2.113.20910.2.113.209
10610.2.113.210/3110.2.113.210 – 10.2.113.21110.2.113.211
10710.2.113.212/3110.2.113.212 – 10.2.113.21310.2.113.213
10810.2.113.214/3110.2.113.214 – 10.2.113.21510.2.113.215
10910.2.113.216/3110.2.113.216 – 10.2.113.21710.2.113.217
11010.2.113.218/3110.2.113.218 – 10.2.113.21910.2.113.219
11110.2.113.220/3110.2.113.220 – 10.2.113.22110.2.113.221
11210.2.113.222/3110.2.113.222 – 10.2.113.22310.2.113.223
11310.2.113.224/3110.2.113.224 – 10.2.113.22510.2.113.225
11410.2.113.226/3110.2.113.226 – 10.2.113.22710.2.113.227
11510.2.113.228/3110.2.113.228 – 10.2.113.22910.2.113.229
11610.2.113.230/3110.2.113.230 – 10.2.113.23110.2.113.231
11710.2.113.232/3110.2.113.232 – 10.2.113.23310.2.113.233
11810.2.113.234/3110.2.113.234 – 10.2.113.23510.2.113.235
11910.2.113.236/3110.2.113.236 – 10.2.113.23710.2.113.237
12010.2.113.238/3110.2.113.238 – 10.2.113.23910.2.113.239
12110.2.113.240/3110.2.113.240 – 10.2.113.24110.2.113.241
12210.2.113.242/3110.2.113.242 – 10.2.113.24310.2.113.243
12310.2.113.244/3110.2.113.244 – 10.2.113.24510.2.113.245
12410.2.113.246/3110.2.113.246 – 10.2.113.24710.2.113.247
12510.2.113.248/3110.2.113.248 – 10.2.113.24910.2.113.249
12610.2.113.250/3110.2.113.250 – 10.2.113.25110.2.113.251
12710.2.113.252/3110.2.113.252 – 10.2.113.25310.2.113.253
12810.2.113.254/3110.2.113.254 – 10.2.113.25510.2.113.255
01 / table

IPv4 CIDR prefix table.

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

prefixsubnet maskaddresseshostsin your /24
/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-
/22255.255.252.01,0241,022-
/23255.255.254.0512510-
/24255.255.255.02562541
/25255.255.255.1281281262 split →
/26255.255.255.19264624 split →
/27255.255.255.22432308 split →
/28255.255.255.240161416 split →
/29255.255.255.2488632 split →
/30255.255.255.2524264 split →
/31255.255.255.25422128 split →
/32255.255.255.25511256 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 →