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)10.57.128.0/18
network10.57.128.0/18
broadcast10.57.191.255
first host10.57.128.1
last host10.57.191.254
subnet mask255.255.192.0
wildcard0.0.63.255
addresses16,384
usable hosts16,382
classA
ipcalc 10.57.128.0/18
address00001010.00111001.10000000.00000000
subnet mask11111111.11111111.11000000.00000000
network00001010.00111001.10000000.00000000
broadcast00001010.00111001.10111111.11111111
green = network part, grey = host part
hex0x0a398000
decimal171540480
reverse dns0.128.57.10.in-addr.arpa
ipv4-mapped::ffff:a39:8000

/18 split into /30 · 4,096 subnets

close ×
#networkhost rangebroadcast
110.57.128.0/3010.57.128.1 – 10.57.128.210.57.128.3
210.57.128.4/3010.57.128.5 – 10.57.128.610.57.128.7
310.57.128.8/3010.57.128.9 – 10.57.128.1010.57.128.11
410.57.128.12/3010.57.128.13 – 10.57.128.1410.57.128.15
510.57.128.16/3010.57.128.17 – 10.57.128.1810.57.128.19
610.57.128.20/3010.57.128.21 – 10.57.128.2210.57.128.23
710.57.128.24/3010.57.128.25 – 10.57.128.2610.57.128.27
810.57.128.28/3010.57.128.29 – 10.57.128.3010.57.128.31
910.57.128.32/3010.57.128.33 – 10.57.128.3410.57.128.35
1010.57.128.36/3010.57.128.37 – 10.57.128.3810.57.128.39
1110.57.128.40/3010.57.128.41 – 10.57.128.4210.57.128.43
1210.57.128.44/3010.57.128.45 – 10.57.128.4610.57.128.47
1310.57.128.48/3010.57.128.49 – 10.57.128.5010.57.128.51
1410.57.128.52/3010.57.128.53 – 10.57.128.5410.57.128.55
1510.57.128.56/3010.57.128.57 – 10.57.128.5810.57.128.59
1610.57.128.60/3010.57.128.61 – 10.57.128.6210.57.128.63
1710.57.128.64/3010.57.128.65 – 10.57.128.6610.57.128.67
1810.57.128.68/3010.57.128.69 – 10.57.128.7010.57.128.71
1910.57.128.72/3010.57.128.73 – 10.57.128.7410.57.128.75
2010.57.128.76/3010.57.128.77 – 10.57.128.7810.57.128.79
2110.57.128.80/3010.57.128.81 – 10.57.128.8210.57.128.83
2210.57.128.84/3010.57.128.85 – 10.57.128.8610.57.128.87
2310.57.128.88/3010.57.128.89 – 10.57.128.9010.57.128.91
2410.57.128.92/3010.57.128.93 – 10.57.128.9410.57.128.95
2510.57.128.96/3010.57.128.97 – 10.57.128.9810.57.128.99
2610.57.128.100/3010.57.128.101 – 10.57.128.10210.57.128.103
2710.57.128.104/3010.57.128.105 – 10.57.128.10610.57.128.107
2810.57.128.108/3010.57.128.109 – 10.57.128.11010.57.128.111
2910.57.128.112/3010.57.128.113 – 10.57.128.11410.57.128.115
3010.57.128.116/3010.57.128.117 – 10.57.128.11810.57.128.119
3110.57.128.120/3010.57.128.121 – 10.57.128.12210.57.128.123
3210.57.128.124/3010.57.128.125 – 10.57.128.12610.57.128.127
3310.57.128.128/3010.57.128.129 – 10.57.128.13010.57.128.131
3410.57.128.132/3010.57.128.133 – 10.57.128.13410.57.128.135
3510.57.128.136/3010.57.128.137 – 10.57.128.13810.57.128.139
3610.57.128.140/3010.57.128.141 – 10.57.128.14210.57.128.143
3710.57.128.144/3010.57.128.145 – 10.57.128.14610.57.128.147
3810.57.128.148/3010.57.128.149 – 10.57.128.15010.57.128.151
3910.57.128.152/3010.57.128.153 – 10.57.128.15410.57.128.155
4010.57.128.156/3010.57.128.157 – 10.57.128.15810.57.128.159
4110.57.128.160/3010.57.128.161 – 10.57.128.16210.57.128.163
4210.57.128.164/3010.57.128.165 – 10.57.128.16610.57.128.167
4310.57.128.168/3010.57.128.169 – 10.57.128.17010.57.128.171
4410.57.128.172/3010.57.128.173 – 10.57.128.17410.57.128.175
4510.57.128.176/3010.57.128.177 – 10.57.128.17810.57.128.179
4610.57.128.180/3010.57.128.181 – 10.57.128.18210.57.128.183
4710.57.128.184/3010.57.128.185 – 10.57.128.18610.57.128.187
4810.57.128.188/3010.57.128.189 – 10.57.128.19010.57.128.191
4910.57.128.192/3010.57.128.193 – 10.57.128.19410.57.128.195
5010.57.128.196/3010.57.128.197 – 10.57.128.19810.57.128.199
5110.57.128.200/3010.57.128.201 – 10.57.128.20210.57.128.203
5210.57.128.204/3010.57.128.205 – 10.57.128.20610.57.128.207
5310.57.128.208/3010.57.128.209 – 10.57.128.21010.57.128.211
5410.57.128.212/3010.57.128.213 – 10.57.128.21410.57.128.215
5510.57.128.216/3010.57.128.217 – 10.57.128.21810.57.128.219
5610.57.128.220/3010.57.128.221 – 10.57.128.22210.57.128.223
5710.57.128.224/3010.57.128.225 – 10.57.128.22610.57.128.227
5810.57.128.228/3010.57.128.229 – 10.57.128.23010.57.128.231
5910.57.128.232/3010.57.128.233 – 10.57.128.23410.57.128.235
6010.57.128.236/3010.57.128.237 – 10.57.128.23810.57.128.239
6110.57.128.240/3010.57.128.241 – 10.57.128.24210.57.128.243
6210.57.128.244/3010.57.128.245 – 10.57.128.24610.57.128.247
6310.57.128.248/3010.57.128.249 – 10.57.128.25010.57.128.251
6410.57.128.252/3010.57.128.253 – 10.57.128.25410.57.128.255
6510.57.129.0/3010.57.129.1 – 10.57.129.210.57.129.3
6610.57.129.4/3010.57.129.5 – 10.57.129.610.57.129.7
6710.57.129.8/3010.57.129.9 – 10.57.129.1010.57.129.11
6810.57.129.12/3010.57.129.13 – 10.57.129.1410.57.129.15
6910.57.129.16/3010.57.129.17 – 10.57.129.1810.57.129.19
7010.57.129.20/3010.57.129.21 – 10.57.129.2210.57.129.23
7110.57.129.24/3010.57.129.25 – 10.57.129.2610.57.129.27
7210.57.129.28/3010.57.129.29 – 10.57.129.3010.57.129.31
7310.57.129.32/3010.57.129.33 – 10.57.129.3410.57.129.35
7410.57.129.36/3010.57.129.37 – 10.57.129.3810.57.129.39
7510.57.129.40/3010.57.129.41 – 10.57.129.4210.57.129.43
7610.57.129.44/3010.57.129.45 – 10.57.129.4610.57.129.47
7710.57.129.48/3010.57.129.49 – 10.57.129.5010.57.129.51
7810.57.129.52/3010.57.129.53 – 10.57.129.5410.57.129.55
7910.57.129.56/3010.57.129.57 – 10.57.129.5810.57.129.59
8010.57.129.60/3010.57.129.61 – 10.57.129.6210.57.129.63
8110.57.129.64/3010.57.129.65 – 10.57.129.6610.57.129.67
8210.57.129.68/3010.57.129.69 – 10.57.129.7010.57.129.71
8310.57.129.72/3010.57.129.73 – 10.57.129.7410.57.129.75
8410.57.129.76/3010.57.129.77 – 10.57.129.7810.57.129.79
8510.57.129.80/3010.57.129.81 – 10.57.129.8210.57.129.83
8610.57.129.84/3010.57.129.85 – 10.57.129.8610.57.129.87
8710.57.129.88/3010.57.129.89 – 10.57.129.9010.57.129.91
8810.57.129.92/3010.57.129.93 – 10.57.129.9410.57.129.95
8910.57.129.96/3010.57.129.97 – 10.57.129.9810.57.129.99
9010.57.129.100/3010.57.129.101 – 10.57.129.10210.57.129.103
9110.57.129.104/3010.57.129.105 – 10.57.129.10610.57.129.107
9210.57.129.108/3010.57.129.109 – 10.57.129.11010.57.129.111
9310.57.129.112/3010.57.129.113 – 10.57.129.11410.57.129.115
9410.57.129.116/3010.57.129.117 – 10.57.129.11810.57.129.119
9510.57.129.120/3010.57.129.121 – 10.57.129.12210.57.129.123
9610.57.129.124/3010.57.129.125 – 10.57.129.12610.57.129.127
9710.57.129.128/3010.57.129.129 – 10.57.129.13010.57.129.131
9810.57.129.132/3010.57.129.133 – 10.57.129.13410.57.129.135
9910.57.129.136/3010.57.129.137 – 10.57.129.13810.57.129.139
10010.57.129.140/3010.57.129.141 – 10.57.129.14210.57.129.143
10110.57.129.144/3010.57.129.145 – 10.57.129.14610.57.129.147
10210.57.129.148/3010.57.129.149 – 10.57.129.15010.57.129.151
10310.57.129.152/3010.57.129.153 – 10.57.129.15410.57.129.155
10410.57.129.156/3010.57.129.157 – 10.57.129.15810.57.129.159
10510.57.129.160/3010.57.129.161 – 10.57.129.16210.57.129.163
10610.57.129.164/3010.57.129.165 – 10.57.129.16610.57.129.167
10710.57.129.168/3010.57.129.169 – 10.57.129.17010.57.129.171
10810.57.129.172/3010.57.129.173 – 10.57.129.17410.57.129.175
10910.57.129.176/3010.57.129.177 – 10.57.129.17810.57.129.179
11010.57.129.180/3010.57.129.181 – 10.57.129.18210.57.129.183
11110.57.129.184/3010.57.129.185 – 10.57.129.18610.57.129.187
11210.57.129.188/3010.57.129.189 – 10.57.129.19010.57.129.191
11310.57.129.192/3010.57.129.193 – 10.57.129.19410.57.129.195
11410.57.129.196/3010.57.129.197 – 10.57.129.19810.57.129.199
11510.57.129.200/3010.57.129.201 – 10.57.129.20210.57.129.203
11610.57.129.204/3010.57.129.205 – 10.57.129.20610.57.129.207
11710.57.129.208/3010.57.129.209 – 10.57.129.21010.57.129.211
11810.57.129.212/3010.57.129.213 – 10.57.129.21410.57.129.215
11910.57.129.216/3010.57.129.217 – 10.57.129.21810.57.129.219
12010.57.129.220/3010.57.129.221 – 10.57.129.22210.57.129.223
12110.57.129.224/3010.57.129.225 – 10.57.129.22610.57.129.227
12210.57.129.228/3010.57.129.229 – 10.57.129.23010.57.129.231
12310.57.129.232/3010.57.129.233 – 10.57.129.23410.57.129.235
12410.57.129.236/3010.57.129.237 – 10.57.129.23810.57.129.239
12510.57.129.240/3010.57.129.241 – 10.57.129.24210.57.129.243
12610.57.129.244/3010.57.129.245 – 10.57.129.24610.57.129.247
12710.57.129.248/3010.57.129.249 – 10.57.129.25010.57.129.251
12810.57.129.252/3010.57.129.253 – 10.57.129.25410.57.129.255
12910.57.130.0/3010.57.130.1 – 10.57.130.210.57.130.3
13010.57.130.4/3010.57.130.5 – 10.57.130.610.57.130.7
13110.57.130.8/3010.57.130.9 – 10.57.130.1010.57.130.11
13210.57.130.12/3010.57.130.13 – 10.57.130.1410.57.130.15
13310.57.130.16/3010.57.130.17 – 10.57.130.1810.57.130.19
13410.57.130.20/3010.57.130.21 – 10.57.130.2210.57.130.23
13510.57.130.24/3010.57.130.25 – 10.57.130.2610.57.130.27
13610.57.130.28/3010.57.130.29 – 10.57.130.3010.57.130.31
13710.57.130.32/3010.57.130.33 – 10.57.130.3410.57.130.35
13810.57.130.36/3010.57.130.37 – 10.57.130.3810.57.130.39
13910.57.130.40/3010.57.130.41 – 10.57.130.4210.57.130.43
14010.57.130.44/3010.57.130.45 – 10.57.130.4610.57.130.47
14110.57.130.48/3010.57.130.49 – 10.57.130.5010.57.130.51
14210.57.130.52/3010.57.130.53 – 10.57.130.5410.57.130.55
14310.57.130.56/3010.57.130.57 – 10.57.130.5810.57.130.59
14410.57.130.60/3010.57.130.61 – 10.57.130.6210.57.130.63
14510.57.130.64/3010.57.130.65 – 10.57.130.6610.57.130.67
14610.57.130.68/3010.57.130.69 – 10.57.130.7010.57.130.71
14710.57.130.72/3010.57.130.73 – 10.57.130.7410.57.130.75
14810.57.130.76/3010.57.130.77 – 10.57.130.7810.57.130.79
14910.57.130.80/3010.57.130.81 – 10.57.130.8210.57.130.83
15010.57.130.84/3010.57.130.85 – 10.57.130.8610.57.130.87
15110.57.130.88/3010.57.130.89 – 10.57.130.9010.57.130.91
15210.57.130.92/3010.57.130.93 – 10.57.130.9410.57.130.95
15310.57.130.96/3010.57.130.97 – 10.57.130.9810.57.130.99
15410.57.130.100/3010.57.130.101 – 10.57.130.10210.57.130.103
15510.57.130.104/3010.57.130.105 – 10.57.130.10610.57.130.107
15610.57.130.108/3010.57.130.109 – 10.57.130.11010.57.130.111
15710.57.130.112/3010.57.130.113 – 10.57.130.11410.57.130.115
15810.57.130.116/3010.57.130.117 – 10.57.130.11810.57.130.119
15910.57.130.120/3010.57.130.121 – 10.57.130.12210.57.130.123
16010.57.130.124/3010.57.130.125 – 10.57.130.12610.57.130.127
16110.57.130.128/3010.57.130.129 – 10.57.130.13010.57.130.131
16210.57.130.132/3010.57.130.133 – 10.57.130.13410.57.130.135
16310.57.130.136/3010.57.130.137 – 10.57.130.13810.57.130.139
16410.57.130.140/3010.57.130.141 – 10.57.130.14210.57.130.143
16510.57.130.144/3010.57.130.145 – 10.57.130.14610.57.130.147
16610.57.130.148/3010.57.130.149 – 10.57.130.15010.57.130.151
16710.57.130.152/3010.57.130.153 – 10.57.130.15410.57.130.155
16810.57.130.156/3010.57.130.157 – 10.57.130.15810.57.130.159
16910.57.130.160/3010.57.130.161 – 10.57.130.16210.57.130.163
17010.57.130.164/3010.57.130.165 – 10.57.130.16610.57.130.167
17110.57.130.168/3010.57.130.169 – 10.57.130.17010.57.130.171
17210.57.130.172/3010.57.130.173 – 10.57.130.17410.57.130.175
17310.57.130.176/3010.57.130.177 – 10.57.130.17810.57.130.179
17410.57.130.180/3010.57.130.181 – 10.57.130.18210.57.130.183
17510.57.130.184/3010.57.130.185 – 10.57.130.18610.57.130.187
17610.57.130.188/3010.57.130.189 – 10.57.130.19010.57.130.191
17710.57.130.192/3010.57.130.193 – 10.57.130.19410.57.130.195
17810.57.130.196/3010.57.130.197 – 10.57.130.19810.57.130.199
17910.57.130.200/3010.57.130.201 – 10.57.130.20210.57.130.203
18010.57.130.204/3010.57.130.205 – 10.57.130.20610.57.130.207
18110.57.130.208/3010.57.130.209 – 10.57.130.21010.57.130.211
18210.57.130.212/3010.57.130.213 – 10.57.130.21410.57.130.215
18310.57.130.216/3010.57.130.217 – 10.57.130.21810.57.130.219
18410.57.130.220/3010.57.130.221 – 10.57.130.22210.57.130.223
18510.57.130.224/3010.57.130.225 – 10.57.130.22610.57.130.227
18610.57.130.228/3010.57.130.229 – 10.57.130.23010.57.130.231
18710.57.130.232/3010.57.130.233 – 10.57.130.23410.57.130.235
18810.57.130.236/3010.57.130.237 – 10.57.130.23810.57.130.239
18910.57.130.240/3010.57.130.241 – 10.57.130.24210.57.130.243
19010.57.130.244/3010.57.130.245 – 10.57.130.24610.57.130.247
19110.57.130.248/3010.57.130.249 – 10.57.130.25010.57.130.251
19210.57.130.252/3010.57.130.253 – 10.57.130.25410.57.130.255
19310.57.131.0/3010.57.131.1 – 10.57.131.210.57.131.3
19410.57.131.4/3010.57.131.5 – 10.57.131.610.57.131.7
19510.57.131.8/3010.57.131.9 – 10.57.131.1010.57.131.11
19610.57.131.12/3010.57.131.13 – 10.57.131.1410.57.131.15
19710.57.131.16/3010.57.131.17 – 10.57.131.1810.57.131.19
19810.57.131.20/3010.57.131.21 – 10.57.131.2210.57.131.23
19910.57.131.24/3010.57.131.25 – 10.57.131.2610.57.131.27
20010.57.131.28/3010.57.131.29 – 10.57.131.3010.57.131.31
20110.57.131.32/3010.57.131.33 – 10.57.131.3410.57.131.35
20210.57.131.36/3010.57.131.37 – 10.57.131.3810.57.131.39
20310.57.131.40/3010.57.131.41 – 10.57.131.4210.57.131.43
20410.57.131.44/3010.57.131.45 – 10.57.131.4610.57.131.47
20510.57.131.48/3010.57.131.49 – 10.57.131.5010.57.131.51
20610.57.131.52/3010.57.131.53 – 10.57.131.5410.57.131.55
20710.57.131.56/3010.57.131.57 – 10.57.131.5810.57.131.59
20810.57.131.60/3010.57.131.61 – 10.57.131.6210.57.131.63
20910.57.131.64/3010.57.131.65 – 10.57.131.6610.57.131.67
21010.57.131.68/3010.57.131.69 – 10.57.131.7010.57.131.71
21110.57.131.72/3010.57.131.73 – 10.57.131.7410.57.131.75
21210.57.131.76/3010.57.131.77 – 10.57.131.7810.57.131.79
21310.57.131.80/3010.57.131.81 – 10.57.131.8210.57.131.83
21410.57.131.84/3010.57.131.85 – 10.57.131.8610.57.131.87
21510.57.131.88/3010.57.131.89 – 10.57.131.9010.57.131.91
21610.57.131.92/3010.57.131.93 – 10.57.131.9410.57.131.95
21710.57.131.96/3010.57.131.97 – 10.57.131.9810.57.131.99
21810.57.131.100/3010.57.131.101 – 10.57.131.10210.57.131.103
21910.57.131.104/3010.57.131.105 – 10.57.131.10610.57.131.107
22010.57.131.108/3010.57.131.109 – 10.57.131.11010.57.131.111
22110.57.131.112/3010.57.131.113 – 10.57.131.11410.57.131.115
22210.57.131.116/3010.57.131.117 – 10.57.131.11810.57.131.119
22310.57.131.120/3010.57.131.121 – 10.57.131.12210.57.131.123
22410.57.131.124/3010.57.131.125 – 10.57.131.12610.57.131.127
22510.57.131.128/3010.57.131.129 – 10.57.131.13010.57.131.131
22610.57.131.132/3010.57.131.133 – 10.57.131.13410.57.131.135
22710.57.131.136/3010.57.131.137 – 10.57.131.13810.57.131.139
22810.57.131.140/3010.57.131.141 – 10.57.131.14210.57.131.143
22910.57.131.144/3010.57.131.145 – 10.57.131.14610.57.131.147
23010.57.131.148/3010.57.131.149 – 10.57.131.15010.57.131.151
23110.57.131.152/3010.57.131.153 – 10.57.131.15410.57.131.155
23210.57.131.156/3010.57.131.157 – 10.57.131.15810.57.131.159
23310.57.131.160/3010.57.131.161 – 10.57.131.16210.57.131.163
23410.57.131.164/3010.57.131.165 – 10.57.131.16610.57.131.167
23510.57.131.168/3010.57.131.169 – 10.57.131.17010.57.131.171
23610.57.131.172/3010.57.131.173 – 10.57.131.17410.57.131.175
23710.57.131.176/3010.57.131.177 – 10.57.131.17810.57.131.179
23810.57.131.180/3010.57.131.181 – 10.57.131.18210.57.131.183
23910.57.131.184/3010.57.131.185 – 10.57.131.18610.57.131.187
24010.57.131.188/3010.57.131.189 – 10.57.131.19010.57.131.191
24110.57.131.192/3010.57.131.193 – 10.57.131.19410.57.131.195
24210.57.131.196/3010.57.131.197 – 10.57.131.19810.57.131.199
24310.57.131.200/3010.57.131.201 – 10.57.131.20210.57.131.203
24410.57.131.204/3010.57.131.205 – 10.57.131.20610.57.131.207
24510.57.131.208/3010.57.131.209 – 10.57.131.21010.57.131.211
24610.57.131.212/3010.57.131.213 – 10.57.131.21410.57.131.215
24710.57.131.216/3010.57.131.217 – 10.57.131.21810.57.131.219
24810.57.131.220/3010.57.131.221 – 10.57.131.22210.57.131.223
24910.57.131.224/3010.57.131.225 – 10.57.131.22610.57.131.227
25010.57.131.228/3010.57.131.229 – 10.57.131.23010.57.131.231
25110.57.131.232/3010.57.131.233 – 10.57.131.23410.57.131.235
25210.57.131.236/3010.57.131.237 – 10.57.131.23810.57.131.239
25310.57.131.240/3010.57.131.241 – 10.57.131.24210.57.131.243
25410.57.131.244/3010.57.131.245 – 10.57.131.24610.57.131.247
25510.57.131.248/3010.57.131.249 – 10.57.131.25010.57.131.251
25610.57.131.252/3010.57.131.253 – 10.57.131.25410.57.131.255

showing 256 of 4,096

01 / table

IPv4 CIDR prefix table.

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

prefixsubnet maskaddresseshostsin your /18
/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-
/18255.255.192.016,38416,3821
/19255.255.224.08,1928,1902 split →
/20255.255.240.04,0964,0944 split →
/21255.255.248.02,0482,0468 split →
/22255.255.252.01,0241,02216 split →
/23255.255.254.051251032 split →
/24255.255.255.025625464 split →
/25255.255.255.128128126128 split →
/26255.255.255.1926462256 split →
/27255.255.255.2243230512 split →
/28255.255.255.24016141,024 split →
/29255.255.255.248862,048 split →
/30255.255.255.252424,096 split →
/31255.255.255.254228,192 split →
/32255.255.255.2551116,384 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 →