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)10.232.211.0/24
network10.232.211.0/24
broadcast10.232.211.255
first host10.232.211.1
last host10.232.211.254
subnet mask255.255.255.0
wildcard0.0.0.255
addresses256
usable hosts254
classA
ipcalc 10.232.211.0/24
address00001010.11101000.11010011.00000000
subnet mask11111111.11111111.11111111.00000000
network00001010.11101000.11010011.00000000
broadcast00001010.11101000.11010011.11111111
green = network part, grey = host part
hex0x0ae8d300
decimal183030528
reverse dns0.211.232.10.in-addr.arpa
ipv4-mapped::ffff:ae8:d300

/24 split into /31 · 128 subnets

close ×
#networkhost rangebroadcast
110.232.211.0/3110.232.211.0 – 10.232.211.110.232.211.1
210.232.211.2/3110.232.211.2 – 10.232.211.310.232.211.3
310.232.211.4/3110.232.211.4 – 10.232.211.510.232.211.5
410.232.211.6/3110.232.211.6 – 10.232.211.710.232.211.7
510.232.211.8/3110.232.211.8 – 10.232.211.910.232.211.9
610.232.211.10/3110.232.211.10 – 10.232.211.1110.232.211.11
710.232.211.12/3110.232.211.12 – 10.232.211.1310.232.211.13
810.232.211.14/3110.232.211.14 – 10.232.211.1510.232.211.15
910.232.211.16/3110.232.211.16 – 10.232.211.1710.232.211.17
1010.232.211.18/3110.232.211.18 – 10.232.211.1910.232.211.19
1110.232.211.20/3110.232.211.20 – 10.232.211.2110.232.211.21
1210.232.211.22/3110.232.211.22 – 10.232.211.2310.232.211.23
1310.232.211.24/3110.232.211.24 – 10.232.211.2510.232.211.25
1410.232.211.26/3110.232.211.26 – 10.232.211.2710.232.211.27
1510.232.211.28/3110.232.211.28 – 10.232.211.2910.232.211.29
1610.232.211.30/3110.232.211.30 – 10.232.211.3110.232.211.31
1710.232.211.32/3110.232.211.32 – 10.232.211.3310.232.211.33
1810.232.211.34/3110.232.211.34 – 10.232.211.3510.232.211.35
1910.232.211.36/3110.232.211.36 – 10.232.211.3710.232.211.37
2010.232.211.38/3110.232.211.38 – 10.232.211.3910.232.211.39
2110.232.211.40/3110.232.211.40 – 10.232.211.4110.232.211.41
2210.232.211.42/3110.232.211.42 – 10.232.211.4310.232.211.43
2310.232.211.44/3110.232.211.44 – 10.232.211.4510.232.211.45
2410.232.211.46/3110.232.211.46 – 10.232.211.4710.232.211.47
2510.232.211.48/3110.232.211.48 – 10.232.211.4910.232.211.49
2610.232.211.50/3110.232.211.50 – 10.232.211.5110.232.211.51
2710.232.211.52/3110.232.211.52 – 10.232.211.5310.232.211.53
2810.232.211.54/3110.232.211.54 – 10.232.211.5510.232.211.55
2910.232.211.56/3110.232.211.56 – 10.232.211.5710.232.211.57
3010.232.211.58/3110.232.211.58 – 10.232.211.5910.232.211.59
3110.232.211.60/3110.232.211.60 – 10.232.211.6110.232.211.61
3210.232.211.62/3110.232.211.62 – 10.232.211.6310.232.211.63
3310.232.211.64/3110.232.211.64 – 10.232.211.6510.232.211.65
3410.232.211.66/3110.232.211.66 – 10.232.211.6710.232.211.67
3510.232.211.68/3110.232.211.68 – 10.232.211.6910.232.211.69
3610.232.211.70/3110.232.211.70 – 10.232.211.7110.232.211.71
3710.232.211.72/3110.232.211.72 – 10.232.211.7310.232.211.73
3810.232.211.74/3110.232.211.74 – 10.232.211.7510.232.211.75
3910.232.211.76/3110.232.211.76 – 10.232.211.7710.232.211.77
4010.232.211.78/3110.232.211.78 – 10.232.211.7910.232.211.79
4110.232.211.80/3110.232.211.80 – 10.232.211.8110.232.211.81
4210.232.211.82/3110.232.211.82 – 10.232.211.8310.232.211.83
4310.232.211.84/3110.232.211.84 – 10.232.211.8510.232.211.85
4410.232.211.86/3110.232.211.86 – 10.232.211.8710.232.211.87
4510.232.211.88/3110.232.211.88 – 10.232.211.8910.232.211.89
4610.232.211.90/3110.232.211.90 – 10.232.211.9110.232.211.91
4710.232.211.92/3110.232.211.92 – 10.232.211.9310.232.211.93
4810.232.211.94/3110.232.211.94 – 10.232.211.9510.232.211.95
4910.232.211.96/3110.232.211.96 – 10.232.211.9710.232.211.97
5010.232.211.98/3110.232.211.98 – 10.232.211.9910.232.211.99
5110.232.211.100/3110.232.211.100 – 10.232.211.10110.232.211.101
5210.232.211.102/3110.232.211.102 – 10.232.211.10310.232.211.103
5310.232.211.104/3110.232.211.104 – 10.232.211.10510.232.211.105
5410.232.211.106/3110.232.211.106 – 10.232.211.10710.232.211.107
5510.232.211.108/3110.232.211.108 – 10.232.211.10910.232.211.109
5610.232.211.110/3110.232.211.110 – 10.232.211.11110.232.211.111
5710.232.211.112/3110.232.211.112 – 10.232.211.11310.232.211.113
5810.232.211.114/3110.232.211.114 – 10.232.211.11510.232.211.115
5910.232.211.116/3110.232.211.116 – 10.232.211.11710.232.211.117
6010.232.211.118/3110.232.211.118 – 10.232.211.11910.232.211.119
6110.232.211.120/3110.232.211.120 – 10.232.211.12110.232.211.121
6210.232.211.122/3110.232.211.122 – 10.232.211.12310.232.211.123
6310.232.211.124/3110.232.211.124 – 10.232.211.12510.232.211.125
6410.232.211.126/3110.232.211.126 – 10.232.211.12710.232.211.127
6510.232.211.128/3110.232.211.128 – 10.232.211.12910.232.211.129
6610.232.211.130/3110.232.211.130 – 10.232.211.13110.232.211.131
6710.232.211.132/3110.232.211.132 – 10.232.211.13310.232.211.133
6810.232.211.134/3110.232.211.134 – 10.232.211.13510.232.211.135
6910.232.211.136/3110.232.211.136 – 10.232.211.13710.232.211.137
7010.232.211.138/3110.232.211.138 – 10.232.211.13910.232.211.139
7110.232.211.140/3110.232.211.140 – 10.232.211.14110.232.211.141
7210.232.211.142/3110.232.211.142 – 10.232.211.14310.232.211.143
7310.232.211.144/3110.232.211.144 – 10.232.211.14510.232.211.145
7410.232.211.146/3110.232.211.146 – 10.232.211.14710.232.211.147
7510.232.211.148/3110.232.211.148 – 10.232.211.14910.232.211.149
7610.232.211.150/3110.232.211.150 – 10.232.211.15110.232.211.151
7710.232.211.152/3110.232.211.152 – 10.232.211.15310.232.211.153
7810.232.211.154/3110.232.211.154 – 10.232.211.15510.232.211.155
7910.232.211.156/3110.232.211.156 – 10.232.211.15710.232.211.157
8010.232.211.158/3110.232.211.158 – 10.232.211.15910.232.211.159
8110.232.211.160/3110.232.211.160 – 10.232.211.16110.232.211.161
8210.232.211.162/3110.232.211.162 – 10.232.211.16310.232.211.163
8310.232.211.164/3110.232.211.164 – 10.232.211.16510.232.211.165
8410.232.211.166/3110.232.211.166 – 10.232.211.16710.232.211.167
8510.232.211.168/3110.232.211.168 – 10.232.211.16910.232.211.169
8610.232.211.170/3110.232.211.170 – 10.232.211.17110.232.211.171
8710.232.211.172/3110.232.211.172 – 10.232.211.17310.232.211.173
8810.232.211.174/3110.232.211.174 – 10.232.211.17510.232.211.175
8910.232.211.176/3110.232.211.176 – 10.232.211.17710.232.211.177
9010.232.211.178/3110.232.211.178 – 10.232.211.17910.232.211.179
9110.232.211.180/3110.232.211.180 – 10.232.211.18110.232.211.181
9210.232.211.182/3110.232.211.182 – 10.232.211.18310.232.211.183
9310.232.211.184/3110.232.211.184 – 10.232.211.18510.232.211.185
9410.232.211.186/3110.232.211.186 – 10.232.211.18710.232.211.187
9510.232.211.188/3110.232.211.188 – 10.232.211.18910.232.211.189
9610.232.211.190/3110.232.211.190 – 10.232.211.19110.232.211.191
9710.232.211.192/3110.232.211.192 – 10.232.211.19310.232.211.193
9810.232.211.194/3110.232.211.194 – 10.232.211.19510.232.211.195
9910.232.211.196/3110.232.211.196 – 10.232.211.19710.232.211.197
10010.232.211.198/3110.232.211.198 – 10.232.211.19910.232.211.199
10110.232.211.200/3110.232.211.200 – 10.232.211.20110.232.211.201
10210.232.211.202/3110.232.211.202 – 10.232.211.20310.232.211.203
10310.232.211.204/3110.232.211.204 – 10.232.211.20510.232.211.205
10410.232.211.206/3110.232.211.206 – 10.232.211.20710.232.211.207
10510.232.211.208/3110.232.211.208 – 10.232.211.20910.232.211.209
10610.232.211.210/3110.232.211.210 – 10.232.211.21110.232.211.211
10710.232.211.212/3110.232.211.212 – 10.232.211.21310.232.211.213
10810.232.211.214/3110.232.211.214 – 10.232.211.21510.232.211.215
10910.232.211.216/3110.232.211.216 – 10.232.211.21710.232.211.217
11010.232.211.218/3110.232.211.218 – 10.232.211.21910.232.211.219
11110.232.211.220/3110.232.211.220 – 10.232.211.22110.232.211.221
11210.232.211.222/3110.232.211.222 – 10.232.211.22310.232.211.223
11310.232.211.224/3110.232.211.224 – 10.232.211.22510.232.211.225
11410.232.211.226/3110.232.211.226 – 10.232.211.22710.232.211.227
11510.232.211.228/3110.232.211.228 – 10.232.211.22910.232.211.229
11610.232.211.230/3110.232.211.230 – 10.232.211.23110.232.211.231
11710.232.211.232/3110.232.211.232 – 10.232.211.23310.232.211.233
11810.232.211.234/3110.232.211.234 – 10.232.211.23510.232.211.235
11910.232.211.236/3110.232.211.236 – 10.232.211.23710.232.211.237
12010.232.211.238/3110.232.211.238 – 10.232.211.23910.232.211.239
12110.232.211.240/3110.232.211.240 – 10.232.211.24110.232.211.241
12210.232.211.242/3110.232.211.242 – 10.232.211.24310.232.211.243
12310.232.211.244/3110.232.211.244 – 10.232.211.24510.232.211.245
12410.232.211.246/3110.232.211.246 – 10.232.211.24710.232.211.247
12510.232.211.248/3110.232.211.248 – 10.232.211.24910.232.211.249
12610.232.211.250/3110.232.211.250 – 10.232.211.25110.232.211.251
12710.232.211.252/3110.232.211.252 – 10.232.211.25310.232.211.253
12810.232.211.254/3110.232.211.254 – 10.232.211.25510.232.211.255
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 →