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)10.78.145.0/24
network10.78.145.0/24
broadcast10.78.145.255
first host10.78.145.1
last host10.78.145.254
subnet mask255.255.255.0
wildcard0.0.0.255
addresses256
usable hosts254
classA
ipcalc 10.78.145.0/24
address00001010.01001110.10010001.00000000
subnet mask11111111.11111111.11111111.00000000
network00001010.01001110.10010001.00000000
broadcast00001010.01001110.10010001.11111111
green = network part, grey = host part
hex0x0a4e9100
decimal172921088
reverse dns0.145.78.10.in-addr.arpa
ipv4-mapped::ffff:a4e:9100

/24 split into /32 · 256 subnets

close ×
#networkhost rangebroadcast
110.78.145.0/3210.78.145.0 – 10.78.145.010.78.145.0
210.78.145.1/3210.78.145.1 – 10.78.145.110.78.145.1
310.78.145.2/3210.78.145.2 – 10.78.145.210.78.145.2
410.78.145.3/3210.78.145.3 – 10.78.145.310.78.145.3
510.78.145.4/3210.78.145.4 – 10.78.145.410.78.145.4
610.78.145.5/3210.78.145.5 – 10.78.145.510.78.145.5
710.78.145.6/3210.78.145.6 – 10.78.145.610.78.145.6
810.78.145.7/3210.78.145.7 – 10.78.145.710.78.145.7
910.78.145.8/3210.78.145.8 – 10.78.145.810.78.145.8
1010.78.145.9/3210.78.145.9 – 10.78.145.910.78.145.9
1110.78.145.10/3210.78.145.10 – 10.78.145.1010.78.145.10
1210.78.145.11/3210.78.145.11 – 10.78.145.1110.78.145.11
1310.78.145.12/3210.78.145.12 – 10.78.145.1210.78.145.12
1410.78.145.13/3210.78.145.13 – 10.78.145.1310.78.145.13
1510.78.145.14/3210.78.145.14 – 10.78.145.1410.78.145.14
1610.78.145.15/3210.78.145.15 – 10.78.145.1510.78.145.15
1710.78.145.16/3210.78.145.16 – 10.78.145.1610.78.145.16
1810.78.145.17/3210.78.145.17 – 10.78.145.1710.78.145.17
1910.78.145.18/3210.78.145.18 – 10.78.145.1810.78.145.18
2010.78.145.19/3210.78.145.19 – 10.78.145.1910.78.145.19
2110.78.145.20/3210.78.145.20 – 10.78.145.2010.78.145.20
2210.78.145.21/3210.78.145.21 – 10.78.145.2110.78.145.21
2310.78.145.22/3210.78.145.22 – 10.78.145.2210.78.145.22
2410.78.145.23/3210.78.145.23 – 10.78.145.2310.78.145.23
2510.78.145.24/3210.78.145.24 – 10.78.145.2410.78.145.24
2610.78.145.25/3210.78.145.25 – 10.78.145.2510.78.145.25
2710.78.145.26/3210.78.145.26 – 10.78.145.2610.78.145.26
2810.78.145.27/3210.78.145.27 – 10.78.145.2710.78.145.27
2910.78.145.28/3210.78.145.28 – 10.78.145.2810.78.145.28
3010.78.145.29/3210.78.145.29 – 10.78.145.2910.78.145.29
3110.78.145.30/3210.78.145.30 – 10.78.145.3010.78.145.30
3210.78.145.31/3210.78.145.31 – 10.78.145.3110.78.145.31
3310.78.145.32/3210.78.145.32 – 10.78.145.3210.78.145.32
3410.78.145.33/3210.78.145.33 – 10.78.145.3310.78.145.33
3510.78.145.34/3210.78.145.34 – 10.78.145.3410.78.145.34
3610.78.145.35/3210.78.145.35 – 10.78.145.3510.78.145.35
3710.78.145.36/3210.78.145.36 – 10.78.145.3610.78.145.36
3810.78.145.37/3210.78.145.37 – 10.78.145.3710.78.145.37
3910.78.145.38/3210.78.145.38 – 10.78.145.3810.78.145.38
4010.78.145.39/3210.78.145.39 – 10.78.145.3910.78.145.39
4110.78.145.40/3210.78.145.40 – 10.78.145.4010.78.145.40
4210.78.145.41/3210.78.145.41 – 10.78.145.4110.78.145.41
4310.78.145.42/3210.78.145.42 – 10.78.145.4210.78.145.42
4410.78.145.43/3210.78.145.43 – 10.78.145.4310.78.145.43
4510.78.145.44/3210.78.145.44 – 10.78.145.4410.78.145.44
4610.78.145.45/3210.78.145.45 – 10.78.145.4510.78.145.45
4710.78.145.46/3210.78.145.46 – 10.78.145.4610.78.145.46
4810.78.145.47/3210.78.145.47 – 10.78.145.4710.78.145.47
4910.78.145.48/3210.78.145.48 – 10.78.145.4810.78.145.48
5010.78.145.49/3210.78.145.49 – 10.78.145.4910.78.145.49
5110.78.145.50/3210.78.145.50 – 10.78.145.5010.78.145.50
5210.78.145.51/3210.78.145.51 – 10.78.145.5110.78.145.51
5310.78.145.52/3210.78.145.52 – 10.78.145.5210.78.145.52
5410.78.145.53/3210.78.145.53 – 10.78.145.5310.78.145.53
5510.78.145.54/3210.78.145.54 – 10.78.145.5410.78.145.54
5610.78.145.55/3210.78.145.55 – 10.78.145.5510.78.145.55
5710.78.145.56/3210.78.145.56 – 10.78.145.5610.78.145.56
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5910.78.145.58/3210.78.145.58 – 10.78.145.5810.78.145.58
6010.78.145.59/3210.78.145.59 – 10.78.145.5910.78.145.59
6110.78.145.60/3210.78.145.60 – 10.78.145.6010.78.145.60
6210.78.145.61/3210.78.145.61 – 10.78.145.6110.78.145.61
6310.78.145.62/3210.78.145.62 – 10.78.145.6210.78.145.62
6410.78.145.63/3210.78.145.63 – 10.78.145.6310.78.145.63
6510.78.145.64/3210.78.145.64 – 10.78.145.6410.78.145.64
6610.78.145.65/3210.78.145.65 – 10.78.145.6510.78.145.65
6710.78.145.66/3210.78.145.66 – 10.78.145.6610.78.145.66
6810.78.145.67/3210.78.145.67 – 10.78.145.6710.78.145.67
6910.78.145.68/3210.78.145.68 – 10.78.145.6810.78.145.68
7010.78.145.69/3210.78.145.69 – 10.78.145.6910.78.145.69
7110.78.145.70/3210.78.145.70 – 10.78.145.7010.78.145.70
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7410.78.145.73/3210.78.145.73 – 10.78.145.7310.78.145.73
7510.78.145.74/3210.78.145.74 – 10.78.145.7410.78.145.74
7610.78.145.75/3210.78.145.75 – 10.78.145.7510.78.145.75
7710.78.145.76/3210.78.145.76 – 10.78.145.7610.78.145.76
7810.78.145.77/3210.78.145.77 – 10.78.145.7710.78.145.77
7910.78.145.78/3210.78.145.78 – 10.78.145.7810.78.145.78
8010.78.145.79/3210.78.145.79 – 10.78.145.7910.78.145.79
8110.78.145.80/3210.78.145.80 – 10.78.145.8010.78.145.80
8210.78.145.81/3210.78.145.81 – 10.78.145.8110.78.145.81
8310.78.145.82/3210.78.145.82 – 10.78.145.8210.78.145.82
8410.78.145.83/3210.78.145.83 – 10.78.145.8310.78.145.83
8510.78.145.84/3210.78.145.84 – 10.78.145.8410.78.145.84
8610.78.145.85/3210.78.145.85 – 10.78.145.8510.78.145.85
8710.78.145.86/3210.78.145.86 – 10.78.145.8610.78.145.86
8810.78.145.87/3210.78.145.87 – 10.78.145.8710.78.145.87
8910.78.145.88/3210.78.145.88 – 10.78.145.8810.78.145.88
9010.78.145.89/3210.78.145.89 – 10.78.145.8910.78.145.89
9110.78.145.90/3210.78.145.90 – 10.78.145.9010.78.145.90
9210.78.145.91/3210.78.145.91 – 10.78.145.9110.78.145.91
9310.78.145.92/3210.78.145.92 – 10.78.145.9210.78.145.92
9410.78.145.93/3210.78.145.93 – 10.78.145.9310.78.145.93
9510.78.145.94/3210.78.145.94 – 10.78.145.9410.78.145.94
9610.78.145.95/3210.78.145.95 – 10.78.145.9510.78.145.95
9710.78.145.96/3210.78.145.96 – 10.78.145.9610.78.145.96
9810.78.145.97/3210.78.145.97 – 10.78.145.9710.78.145.97
9910.78.145.98/3210.78.145.98 – 10.78.145.9810.78.145.98
10010.78.145.99/3210.78.145.99 – 10.78.145.9910.78.145.99
10110.78.145.100/3210.78.145.100 – 10.78.145.10010.78.145.100
10210.78.145.101/3210.78.145.101 – 10.78.145.10110.78.145.101
10310.78.145.102/3210.78.145.102 – 10.78.145.10210.78.145.102
10410.78.145.103/3210.78.145.103 – 10.78.145.10310.78.145.103
10510.78.145.104/3210.78.145.104 – 10.78.145.10410.78.145.104
10610.78.145.105/3210.78.145.105 – 10.78.145.10510.78.145.105
10710.78.145.106/3210.78.145.106 – 10.78.145.10610.78.145.106
10810.78.145.107/3210.78.145.107 – 10.78.145.10710.78.145.107
10910.78.145.108/3210.78.145.108 – 10.78.145.10810.78.145.108
11010.78.145.109/3210.78.145.109 – 10.78.145.10910.78.145.109
11110.78.145.110/3210.78.145.110 – 10.78.145.11010.78.145.110
11210.78.145.111/3210.78.145.111 – 10.78.145.11110.78.145.111
11310.78.145.112/3210.78.145.112 – 10.78.145.11210.78.145.112
11410.78.145.113/3210.78.145.113 – 10.78.145.11310.78.145.113
11510.78.145.114/3210.78.145.114 – 10.78.145.11410.78.145.114
11610.78.145.115/3210.78.145.115 – 10.78.145.11510.78.145.115
11710.78.145.116/3210.78.145.116 – 10.78.145.11610.78.145.116
11810.78.145.117/3210.78.145.117 – 10.78.145.11710.78.145.117
11910.78.145.118/3210.78.145.118 – 10.78.145.11810.78.145.118
12010.78.145.119/3210.78.145.119 – 10.78.145.11910.78.145.119
12110.78.145.120/3210.78.145.120 – 10.78.145.12010.78.145.120
12210.78.145.121/3210.78.145.121 – 10.78.145.12110.78.145.121
12310.78.145.122/3210.78.145.122 – 10.78.145.12210.78.145.122
12410.78.145.123/3210.78.145.123 – 10.78.145.12310.78.145.123
12510.78.145.124/3210.78.145.124 – 10.78.145.12410.78.145.124
12610.78.145.125/3210.78.145.125 – 10.78.145.12510.78.145.125
12710.78.145.126/3210.78.145.126 – 10.78.145.12610.78.145.126
12810.78.145.127/3210.78.145.127 – 10.78.145.12710.78.145.127
12910.78.145.128/3210.78.145.128 – 10.78.145.12810.78.145.128
13010.78.145.129/3210.78.145.129 – 10.78.145.12910.78.145.129
13110.78.145.130/3210.78.145.130 – 10.78.145.13010.78.145.130
13210.78.145.131/3210.78.145.131 – 10.78.145.13110.78.145.131
13310.78.145.132/3210.78.145.132 – 10.78.145.13210.78.145.132
13410.78.145.133/3210.78.145.133 – 10.78.145.13310.78.145.133
13510.78.145.134/3210.78.145.134 – 10.78.145.13410.78.145.134
13610.78.145.135/3210.78.145.135 – 10.78.145.13510.78.145.135
13710.78.145.136/3210.78.145.136 – 10.78.145.13610.78.145.136
13810.78.145.137/3210.78.145.137 – 10.78.145.13710.78.145.137
13910.78.145.138/3210.78.145.138 – 10.78.145.13810.78.145.138
14010.78.145.139/3210.78.145.139 – 10.78.145.13910.78.145.139
14110.78.145.140/3210.78.145.140 – 10.78.145.14010.78.145.140
14210.78.145.141/3210.78.145.141 – 10.78.145.14110.78.145.141
14310.78.145.142/3210.78.145.142 – 10.78.145.14210.78.145.142
14410.78.145.143/3210.78.145.143 – 10.78.145.14310.78.145.143
14510.78.145.144/3210.78.145.144 – 10.78.145.14410.78.145.144
14610.78.145.145/3210.78.145.145 – 10.78.145.14510.78.145.145
14710.78.145.146/3210.78.145.146 – 10.78.145.14610.78.145.146
14810.78.145.147/3210.78.145.147 – 10.78.145.14710.78.145.147
14910.78.145.148/3210.78.145.148 – 10.78.145.14810.78.145.148
15010.78.145.149/3210.78.145.149 – 10.78.145.14910.78.145.149
15110.78.145.150/3210.78.145.150 – 10.78.145.15010.78.145.150
15210.78.145.151/3210.78.145.151 – 10.78.145.15110.78.145.151
15310.78.145.152/3210.78.145.152 – 10.78.145.15210.78.145.152
15410.78.145.153/3210.78.145.153 – 10.78.145.15310.78.145.153
15510.78.145.154/3210.78.145.154 – 10.78.145.15410.78.145.154
15610.78.145.155/3210.78.145.155 – 10.78.145.15510.78.145.155
15710.78.145.156/3210.78.145.156 – 10.78.145.15610.78.145.156
15810.78.145.157/3210.78.145.157 – 10.78.145.15710.78.145.157
15910.78.145.158/3210.78.145.158 – 10.78.145.15810.78.145.158
16010.78.145.159/3210.78.145.159 – 10.78.145.15910.78.145.159
16110.78.145.160/3210.78.145.160 – 10.78.145.16010.78.145.160
16210.78.145.161/3210.78.145.161 – 10.78.145.16110.78.145.161
16310.78.145.162/3210.78.145.162 – 10.78.145.16210.78.145.162
16410.78.145.163/3210.78.145.163 – 10.78.145.16310.78.145.163
16510.78.145.164/3210.78.145.164 – 10.78.145.16410.78.145.164
16610.78.145.165/3210.78.145.165 – 10.78.145.16510.78.145.165
16710.78.145.166/3210.78.145.166 – 10.78.145.16610.78.145.166
16810.78.145.167/3210.78.145.167 – 10.78.145.16710.78.145.167
16910.78.145.168/3210.78.145.168 – 10.78.145.16810.78.145.168
17010.78.145.169/3210.78.145.169 – 10.78.145.16910.78.145.169
17110.78.145.170/3210.78.145.170 – 10.78.145.17010.78.145.170
17210.78.145.171/3210.78.145.171 – 10.78.145.17110.78.145.171
17310.78.145.172/3210.78.145.172 – 10.78.145.17210.78.145.172
17410.78.145.173/3210.78.145.173 – 10.78.145.17310.78.145.173
17510.78.145.174/3210.78.145.174 – 10.78.145.17410.78.145.174
17610.78.145.175/3210.78.145.175 – 10.78.145.17510.78.145.175
17710.78.145.176/3210.78.145.176 – 10.78.145.17610.78.145.176
17810.78.145.177/3210.78.145.177 – 10.78.145.17710.78.145.177
17910.78.145.178/3210.78.145.178 – 10.78.145.17810.78.145.178
18010.78.145.179/3210.78.145.179 – 10.78.145.17910.78.145.179
18110.78.145.180/3210.78.145.180 – 10.78.145.18010.78.145.180
18210.78.145.181/3210.78.145.181 – 10.78.145.18110.78.145.181
18310.78.145.182/3210.78.145.182 – 10.78.145.18210.78.145.182
18410.78.145.183/3210.78.145.183 – 10.78.145.18310.78.145.183
18510.78.145.184/3210.78.145.184 – 10.78.145.18410.78.145.184
18610.78.145.185/3210.78.145.185 – 10.78.145.18510.78.145.185
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18810.78.145.187/3210.78.145.187 – 10.78.145.18710.78.145.187
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19010.78.145.189/3210.78.145.189 – 10.78.145.18910.78.145.189
19110.78.145.190/3210.78.145.190 – 10.78.145.19010.78.145.190
19210.78.145.191/3210.78.145.191 – 10.78.145.19110.78.145.191
19310.78.145.192/3210.78.145.192 – 10.78.145.19210.78.145.192
19410.78.145.193/3210.78.145.193 – 10.78.145.19310.78.145.193
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20210.78.145.201/3210.78.145.201 – 10.78.145.20110.78.145.201
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21410.78.145.213/3210.78.145.213 – 10.78.145.21310.78.145.213
21510.78.145.214/3210.78.145.214 – 10.78.145.21410.78.145.214
21610.78.145.215/3210.78.145.215 – 10.78.145.21510.78.145.215
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21810.78.145.217/3210.78.145.217 – 10.78.145.21710.78.145.217
21910.78.145.218/3210.78.145.218 – 10.78.145.21810.78.145.218
22010.78.145.219/3210.78.145.219 – 10.78.145.21910.78.145.219
22110.78.145.220/3210.78.145.220 – 10.78.145.22010.78.145.220
22210.78.145.221/3210.78.145.221 – 10.78.145.22110.78.145.221
22310.78.145.222/3210.78.145.222 – 10.78.145.22210.78.145.222
22410.78.145.223/3210.78.145.223 – 10.78.145.22310.78.145.223
22510.78.145.224/3210.78.145.224 – 10.78.145.22410.78.145.224
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22910.78.145.228/3210.78.145.228 – 10.78.145.22810.78.145.228
23010.78.145.229/3210.78.145.229 – 10.78.145.22910.78.145.229
23110.78.145.230/3210.78.145.230 – 10.78.145.23010.78.145.230
23210.78.145.231/3210.78.145.231 – 10.78.145.23110.78.145.231
23310.78.145.232/3210.78.145.232 – 10.78.145.23210.78.145.232
23410.78.145.233/3210.78.145.233 – 10.78.145.23310.78.145.233
23510.78.145.234/3210.78.145.234 – 10.78.145.23410.78.145.234
23610.78.145.235/3210.78.145.235 – 10.78.145.23510.78.145.235
23710.78.145.236/3210.78.145.236 – 10.78.145.23610.78.145.236
23810.78.145.237/3210.78.145.237 – 10.78.145.23710.78.145.237
23910.78.145.238/3210.78.145.238 – 10.78.145.23810.78.145.238
24010.78.145.239/3210.78.145.239 – 10.78.145.23910.78.145.239
24110.78.145.240/3210.78.145.240 – 10.78.145.24010.78.145.240
24210.78.145.241/3210.78.145.241 – 10.78.145.24110.78.145.241
24310.78.145.242/3210.78.145.242 – 10.78.145.24210.78.145.242
24410.78.145.243/3210.78.145.243 – 10.78.145.24310.78.145.243
24510.78.145.244/3210.78.145.244 – 10.78.145.24410.78.145.244
24610.78.145.245/3210.78.145.245 – 10.78.145.24510.78.145.245
24710.78.145.246/3210.78.145.246 – 10.78.145.24610.78.145.246
24810.78.145.247/3210.78.145.247 – 10.78.145.24710.78.145.247
24910.78.145.248/3210.78.145.248 – 10.78.145.24810.78.145.248
25010.78.145.249/3210.78.145.249 – 10.78.145.24910.78.145.249
25110.78.145.250/3210.78.145.250 – 10.78.145.25010.78.145.250
25210.78.145.251/3210.78.145.251 – 10.78.145.25110.78.145.251
25310.78.145.252/3210.78.145.252 – 10.78.145.25210.78.145.252
25410.78.145.253/3210.78.145.253 – 10.78.145.25310.78.145.253
25510.78.145.254/3210.78.145.254 – 10.78.145.25410.78.145.254
25610.78.145.255/3210.78.145.255 – 10.78.145.25510.78.145.255
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 →