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)10.3.111.0/24
network10.3.111.0/24
broadcast10.3.111.255
first host10.3.111.1
last host10.3.111.254
subnet mask255.255.255.0
wildcard0.0.0.255
addresses256
usable hosts254
classA
ipcalc 10.3.111.0/24
address00001010.00000011.01101111.00000000
subnet mask11111111.11111111.11111111.00000000
network00001010.00000011.01101111.00000000
broadcast00001010.00000011.01101111.11111111
green = network part, grey = host part
hex0x0a036f00
decimal167997184
reverse dns0.111.3.10.in-addr.arpa
ipv4-mapped::ffff:a03:6f00

/24 split into /32 · 256 subnets

close ×
#networkhost rangebroadcast
110.3.111.0/3210.3.111.0 – 10.3.111.010.3.111.0
210.3.111.1/3210.3.111.1 – 10.3.111.110.3.111.1
310.3.111.2/3210.3.111.2 – 10.3.111.210.3.111.2
410.3.111.3/3210.3.111.3 – 10.3.111.310.3.111.3
510.3.111.4/3210.3.111.4 – 10.3.111.410.3.111.4
610.3.111.5/3210.3.111.5 – 10.3.111.510.3.111.5
710.3.111.6/3210.3.111.6 – 10.3.111.610.3.111.6
810.3.111.7/3210.3.111.7 – 10.3.111.710.3.111.7
910.3.111.8/3210.3.111.8 – 10.3.111.810.3.111.8
1010.3.111.9/3210.3.111.9 – 10.3.111.910.3.111.9
1110.3.111.10/3210.3.111.10 – 10.3.111.1010.3.111.10
1210.3.111.11/3210.3.111.11 – 10.3.111.1110.3.111.11
1310.3.111.12/3210.3.111.12 – 10.3.111.1210.3.111.12
1410.3.111.13/3210.3.111.13 – 10.3.111.1310.3.111.13
1510.3.111.14/3210.3.111.14 – 10.3.111.1410.3.111.14
1610.3.111.15/3210.3.111.15 – 10.3.111.1510.3.111.15
1710.3.111.16/3210.3.111.16 – 10.3.111.1610.3.111.16
1810.3.111.17/3210.3.111.17 – 10.3.111.1710.3.111.17
1910.3.111.18/3210.3.111.18 – 10.3.111.1810.3.111.18
2010.3.111.19/3210.3.111.19 – 10.3.111.1910.3.111.19
2110.3.111.20/3210.3.111.20 – 10.3.111.2010.3.111.20
2210.3.111.21/3210.3.111.21 – 10.3.111.2110.3.111.21
2310.3.111.22/3210.3.111.22 – 10.3.111.2210.3.111.22
2410.3.111.23/3210.3.111.23 – 10.3.111.2310.3.111.23
2510.3.111.24/3210.3.111.24 – 10.3.111.2410.3.111.24
2610.3.111.25/3210.3.111.25 – 10.3.111.2510.3.111.25
2710.3.111.26/3210.3.111.26 – 10.3.111.2610.3.111.26
2810.3.111.27/3210.3.111.27 – 10.3.111.2710.3.111.27
2910.3.111.28/3210.3.111.28 – 10.3.111.2810.3.111.28
3010.3.111.29/3210.3.111.29 – 10.3.111.2910.3.111.29
3110.3.111.30/3210.3.111.30 – 10.3.111.3010.3.111.30
3210.3.111.31/3210.3.111.31 – 10.3.111.3110.3.111.31
3310.3.111.32/3210.3.111.32 – 10.3.111.3210.3.111.32
3410.3.111.33/3210.3.111.33 – 10.3.111.3310.3.111.33
3510.3.111.34/3210.3.111.34 – 10.3.111.3410.3.111.34
3610.3.111.35/3210.3.111.35 – 10.3.111.3510.3.111.35
3710.3.111.36/3210.3.111.36 – 10.3.111.3610.3.111.36
3810.3.111.37/3210.3.111.37 – 10.3.111.3710.3.111.37
3910.3.111.38/3210.3.111.38 – 10.3.111.3810.3.111.38
4010.3.111.39/3210.3.111.39 – 10.3.111.3910.3.111.39
4110.3.111.40/3210.3.111.40 – 10.3.111.4010.3.111.40
4210.3.111.41/3210.3.111.41 – 10.3.111.4110.3.111.41
4310.3.111.42/3210.3.111.42 – 10.3.111.4210.3.111.42
4410.3.111.43/3210.3.111.43 – 10.3.111.4310.3.111.43
4510.3.111.44/3210.3.111.44 – 10.3.111.4410.3.111.44
4610.3.111.45/3210.3.111.45 – 10.3.111.4510.3.111.45
4710.3.111.46/3210.3.111.46 – 10.3.111.4610.3.111.46
4810.3.111.47/3210.3.111.47 – 10.3.111.4710.3.111.47
4910.3.111.48/3210.3.111.48 – 10.3.111.4810.3.111.48
5010.3.111.49/3210.3.111.49 – 10.3.111.4910.3.111.49
5110.3.111.50/3210.3.111.50 – 10.3.111.5010.3.111.50
5210.3.111.51/3210.3.111.51 – 10.3.111.5110.3.111.51
5310.3.111.52/3210.3.111.52 – 10.3.111.5210.3.111.52
5410.3.111.53/3210.3.111.53 – 10.3.111.5310.3.111.53
5510.3.111.54/3210.3.111.54 – 10.3.111.5410.3.111.54
5610.3.111.55/3210.3.111.55 – 10.3.111.5510.3.111.55
5710.3.111.56/3210.3.111.56 – 10.3.111.5610.3.111.56
5810.3.111.57/3210.3.111.57 – 10.3.111.5710.3.111.57
5910.3.111.58/3210.3.111.58 – 10.3.111.5810.3.111.58
6010.3.111.59/3210.3.111.59 – 10.3.111.5910.3.111.59
6110.3.111.60/3210.3.111.60 – 10.3.111.6010.3.111.60
6210.3.111.61/3210.3.111.61 – 10.3.111.6110.3.111.61
6310.3.111.62/3210.3.111.62 – 10.3.111.6210.3.111.62
6410.3.111.63/3210.3.111.63 – 10.3.111.6310.3.111.63
6510.3.111.64/3210.3.111.64 – 10.3.111.6410.3.111.64
6610.3.111.65/3210.3.111.65 – 10.3.111.6510.3.111.65
6710.3.111.66/3210.3.111.66 – 10.3.111.6610.3.111.66
6810.3.111.67/3210.3.111.67 – 10.3.111.6710.3.111.67
6910.3.111.68/3210.3.111.68 – 10.3.111.6810.3.111.68
7010.3.111.69/3210.3.111.69 – 10.3.111.6910.3.111.69
7110.3.111.70/3210.3.111.70 – 10.3.111.7010.3.111.70
7210.3.111.71/3210.3.111.71 – 10.3.111.7110.3.111.71
7310.3.111.72/3210.3.111.72 – 10.3.111.7210.3.111.72
7410.3.111.73/3210.3.111.73 – 10.3.111.7310.3.111.73
7510.3.111.74/3210.3.111.74 – 10.3.111.7410.3.111.74
7610.3.111.75/3210.3.111.75 – 10.3.111.7510.3.111.75
7710.3.111.76/3210.3.111.76 – 10.3.111.7610.3.111.76
7810.3.111.77/3210.3.111.77 – 10.3.111.7710.3.111.77
7910.3.111.78/3210.3.111.78 – 10.3.111.7810.3.111.78
8010.3.111.79/3210.3.111.79 – 10.3.111.7910.3.111.79
8110.3.111.80/3210.3.111.80 – 10.3.111.8010.3.111.80
8210.3.111.81/3210.3.111.81 – 10.3.111.8110.3.111.81
8310.3.111.82/3210.3.111.82 – 10.3.111.8210.3.111.82
8410.3.111.83/3210.3.111.83 – 10.3.111.8310.3.111.83
8510.3.111.84/3210.3.111.84 – 10.3.111.8410.3.111.84
8610.3.111.85/3210.3.111.85 – 10.3.111.8510.3.111.85
8710.3.111.86/3210.3.111.86 – 10.3.111.8610.3.111.86
8810.3.111.87/3210.3.111.87 – 10.3.111.8710.3.111.87
8910.3.111.88/3210.3.111.88 – 10.3.111.8810.3.111.88
9010.3.111.89/3210.3.111.89 – 10.3.111.8910.3.111.89
9110.3.111.90/3210.3.111.90 – 10.3.111.9010.3.111.90
9210.3.111.91/3210.3.111.91 – 10.3.111.9110.3.111.91
9310.3.111.92/3210.3.111.92 – 10.3.111.9210.3.111.92
9410.3.111.93/3210.3.111.93 – 10.3.111.9310.3.111.93
9510.3.111.94/3210.3.111.94 – 10.3.111.9410.3.111.94
9610.3.111.95/3210.3.111.95 – 10.3.111.9510.3.111.95
9710.3.111.96/3210.3.111.96 – 10.3.111.9610.3.111.96
9810.3.111.97/3210.3.111.97 – 10.3.111.9710.3.111.97
9910.3.111.98/3210.3.111.98 – 10.3.111.9810.3.111.98
10010.3.111.99/3210.3.111.99 – 10.3.111.9910.3.111.99
10110.3.111.100/3210.3.111.100 – 10.3.111.10010.3.111.100
10210.3.111.101/3210.3.111.101 – 10.3.111.10110.3.111.101
10310.3.111.102/3210.3.111.102 – 10.3.111.10210.3.111.102
10410.3.111.103/3210.3.111.103 – 10.3.111.10310.3.111.103
10510.3.111.104/3210.3.111.104 – 10.3.111.10410.3.111.104
10610.3.111.105/3210.3.111.105 – 10.3.111.10510.3.111.105
10710.3.111.106/3210.3.111.106 – 10.3.111.10610.3.111.106
10810.3.111.107/3210.3.111.107 – 10.3.111.10710.3.111.107
10910.3.111.108/3210.3.111.108 – 10.3.111.10810.3.111.108
11010.3.111.109/3210.3.111.109 – 10.3.111.10910.3.111.109
11110.3.111.110/3210.3.111.110 – 10.3.111.11010.3.111.110
11210.3.111.111/3210.3.111.111 – 10.3.111.11110.3.111.111
11310.3.111.112/3210.3.111.112 – 10.3.111.11210.3.111.112
11410.3.111.113/3210.3.111.113 – 10.3.111.11310.3.111.113
11510.3.111.114/3210.3.111.114 – 10.3.111.11410.3.111.114
11610.3.111.115/3210.3.111.115 – 10.3.111.11510.3.111.115
11710.3.111.116/3210.3.111.116 – 10.3.111.11610.3.111.116
11810.3.111.117/3210.3.111.117 – 10.3.111.11710.3.111.117
11910.3.111.118/3210.3.111.118 – 10.3.111.11810.3.111.118
12010.3.111.119/3210.3.111.119 – 10.3.111.11910.3.111.119
12110.3.111.120/3210.3.111.120 – 10.3.111.12010.3.111.120
12210.3.111.121/3210.3.111.121 – 10.3.111.12110.3.111.121
12310.3.111.122/3210.3.111.122 – 10.3.111.12210.3.111.122
12410.3.111.123/3210.3.111.123 – 10.3.111.12310.3.111.123
12510.3.111.124/3210.3.111.124 – 10.3.111.12410.3.111.124
12610.3.111.125/3210.3.111.125 – 10.3.111.12510.3.111.125
12710.3.111.126/3210.3.111.126 – 10.3.111.12610.3.111.126
12810.3.111.127/3210.3.111.127 – 10.3.111.12710.3.111.127
12910.3.111.128/3210.3.111.128 – 10.3.111.12810.3.111.128
13010.3.111.129/3210.3.111.129 – 10.3.111.12910.3.111.129
13110.3.111.130/3210.3.111.130 – 10.3.111.13010.3.111.130
13210.3.111.131/3210.3.111.131 – 10.3.111.13110.3.111.131
13310.3.111.132/3210.3.111.132 – 10.3.111.13210.3.111.132
13410.3.111.133/3210.3.111.133 – 10.3.111.13310.3.111.133
13510.3.111.134/3210.3.111.134 – 10.3.111.13410.3.111.134
13610.3.111.135/3210.3.111.135 – 10.3.111.13510.3.111.135
13710.3.111.136/3210.3.111.136 – 10.3.111.13610.3.111.136
13810.3.111.137/3210.3.111.137 – 10.3.111.13710.3.111.137
13910.3.111.138/3210.3.111.138 – 10.3.111.13810.3.111.138
14010.3.111.139/3210.3.111.139 – 10.3.111.13910.3.111.139
14110.3.111.140/3210.3.111.140 – 10.3.111.14010.3.111.140
14210.3.111.141/3210.3.111.141 – 10.3.111.14110.3.111.141
14310.3.111.142/3210.3.111.142 – 10.3.111.14210.3.111.142
14410.3.111.143/3210.3.111.143 – 10.3.111.14310.3.111.143
14510.3.111.144/3210.3.111.144 – 10.3.111.14410.3.111.144
14610.3.111.145/3210.3.111.145 – 10.3.111.14510.3.111.145
14710.3.111.146/3210.3.111.146 – 10.3.111.14610.3.111.146
14810.3.111.147/3210.3.111.147 – 10.3.111.14710.3.111.147
14910.3.111.148/3210.3.111.148 – 10.3.111.14810.3.111.148
15010.3.111.149/3210.3.111.149 – 10.3.111.14910.3.111.149
15110.3.111.150/3210.3.111.150 – 10.3.111.15010.3.111.150
15210.3.111.151/3210.3.111.151 – 10.3.111.15110.3.111.151
15310.3.111.152/3210.3.111.152 – 10.3.111.15210.3.111.152
15410.3.111.153/3210.3.111.153 – 10.3.111.15310.3.111.153
15510.3.111.154/3210.3.111.154 – 10.3.111.15410.3.111.154
15610.3.111.155/3210.3.111.155 – 10.3.111.15510.3.111.155
15710.3.111.156/3210.3.111.156 – 10.3.111.15610.3.111.156
15810.3.111.157/3210.3.111.157 – 10.3.111.15710.3.111.157
15910.3.111.158/3210.3.111.158 – 10.3.111.15810.3.111.158
16010.3.111.159/3210.3.111.159 – 10.3.111.15910.3.111.159
16110.3.111.160/3210.3.111.160 – 10.3.111.16010.3.111.160
16210.3.111.161/3210.3.111.161 – 10.3.111.16110.3.111.161
16310.3.111.162/3210.3.111.162 – 10.3.111.16210.3.111.162
16410.3.111.163/3210.3.111.163 – 10.3.111.16310.3.111.163
16510.3.111.164/3210.3.111.164 – 10.3.111.16410.3.111.164
16610.3.111.165/3210.3.111.165 – 10.3.111.16510.3.111.165
16710.3.111.166/3210.3.111.166 – 10.3.111.16610.3.111.166
16810.3.111.167/3210.3.111.167 – 10.3.111.16710.3.111.167
16910.3.111.168/3210.3.111.168 – 10.3.111.16810.3.111.168
17010.3.111.169/3210.3.111.169 – 10.3.111.16910.3.111.169
17110.3.111.170/3210.3.111.170 – 10.3.111.17010.3.111.170
17210.3.111.171/3210.3.111.171 – 10.3.111.17110.3.111.171
17310.3.111.172/3210.3.111.172 – 10.3.111.17210.3.111.172
17410.3.111.173/3210.3.111.173 – 10.3.111.17310.3.111.173
17510.3.111.174/3210.3.111.174 – 10.3.111.17410.3.111.174
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17810.3.111.177/3210.3.111.177 – 10.3.111.17710.3.111.177
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18010.3.111.179/3210.3.111.179 – 10.3.111.17910.3.111.179
18110.3.111.180/3210.3.111.180 – 10.3.111.18010.3.111.180
18210.3.111.181/3210.3.111.181 – 10.3.111.18110.3.111.181
18310.3.111.182/3210.3.111.182 – 10.3.111.18210.3.111.182
18410.3.111.183/3210.3.111.183 – 10.3.111.18310.3.111.183
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20210.3.111.201/3210.3.111.201 – 10.3.111.20110.3.111.201
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22010.3.111.219/3210.3.111.219 – 10.3.111.21910.3.111.219
22110.3.111.220/3210.3.111.220 – 10.3.111.22010.3.111.220
22210.3.111.221/3210.3.111.221 – 10.3.111.22110.3.111.221
22310.3.111.222/3210.3.111.222 – 10.3.111.22210.3.111.222
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22910.3.111.228/3210.3.111.228 – 10.3.111.22810.3.111.228
23010.3.111.229/3210.3.111.229 – 10.3.111.22910.3.111.229
23110.3.111.230/3210.3.111.230 – 10.3.111.23010.3.111.230
23210.3.111.231/3210.3.111.231 – 10.3.111.23110.3.111.231
23310.3.111.232/3210.3.111.232 – 10.3.111.23210.3.111.232
23410.3.111.233/3210.3.111.233 – 10.3.111.23310.3.111.233
23510.3.111.234/3210.3.111.234 – 10.3.111.23410.3.111.234
23610.3.111.235/3210.3.111.235 – 10.3.111.23510.3.111.235
23710.3.111.236/3210.3.111.236 – 10.3.111.23610.3.111.236
23810.3.111.237/3210.3.111.237 – 10.3.111.23710.3.111.237
23910.3.111.238/3210.3.111.238 – 10.3.111.23810.3.111.238
24010.3.111.239/3210.3.111.239 – 10.3.111.23910.3.111.239
24110.3.111.240/3210.3.111.240 – 10.3.111.24010.3.111.240
24210.3.111.241/3210.3.111.241 – 10.3.111.24110.3.111.241
24310.3.111.242/3210.3.111.242 – 10.3.111.24210.3.111.242
24410.3.111.243/3210.3.111.243 – 10.3.111.24310.3.111.243
24510.3.111.244/3210.3.111.244 – 10.3.111.24410.3.111.244
24610.3.111.245/3210.3.111.245 – 10.3.111.24510.3.111.245
24710.3.111.246/3210.3.111.246 – 10.3.111.24610.3.111.246
24810.3.111.247/3210.3.111.247 – 10.3.111.24710.3.111.247
24910.3.111.248/3210.3.111.248 – 10.3.111.24810.3.111.248
25010.3.111.249/3210.3.111.249 – 10.3.111.24910.3.111.249
25110.3.111.250/3210.3.111.250 – 10.3.111.25010.3.111.250
25210.3.111.251/3210.3.111.251 – 10.3.111.25110.3.111.251
25310.3.111.252/3210.3.111.252 – 10.3.111.25210.3.111.252
25410.3.111.253/3210.3.111.253 – 10.3.111.25310.3.111.253
25510.3.111.254/3210.3.111.254 – 10.3.111.25410.3.111.254
25610.3.111.255/3210.3.111.255 – 10.3.111.25510.3.111.255
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 →