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)10.7.216.0/21
network10.7.216.0/21
broadcast10.7.223.255
first host10.7.216.1
last host10.7.223.254
subnet mask255.255.248.0
wildcard0.0.7.255
addresses2,048
usable hosts2,046
classA
ipcalc 10.7.216.0/21
address00001010.00000111.11011000.00000000
subnet mask11111111.11111111.11111000.00000000
network00001010.00000111.11011000.00000000
broadcast00001010.00000111.11011111.11111111
green = network part, grey = host part
hex0x0a07d800
decimal168286208
reverse dns0.216.7.10.in-addr.arpa
ipv4-mapped::ffff:a07:d800

/21 split into /30 · 512 subnets

close ×
#networkhost rangebroadcast
110.7.216.0/3010.7.216.1 – 10.7.216.210.7.216.3
210.7.216.4/3010.7.216.5 – 10.7.216.610.7.216.7
310.7.216.8/3010.7.216.9 – 10.7.216.1010.7.216.11
410.7.216.12/3010.7.216.13 – 10.7.216.1410.7.216.15
510.7.216.16/3010.7.216.17 – 10.7.216.1810.7.216.19
610.7.216.20/3010.7.216.21 – 10.7.216.2210.7.216.23
710.7.216.24/3010.7.216.25 – 10.7.216.2610.7.216.27
810.7.216.28/3010.7.216.29 – 10.7.216.3010.7.216.31
910.7.216.32/3010.7.216.33 – 10.7.216.3410.7.216.35
1010.7.216.36/3010.7.216.37 – 10.7.216.3810.7.216.39
1110.7.216.40/3010.7.216.41 – 10.7.216.4210.7.216.43
1210.7.216.44/3010.7.216.45 – 10.7.216.4610.7.216.47
1310.7.216.48/3010.7.216.49 – 10.7.216.5010.7.216.51
1410.7.216.52/3010.7.216.53 – 10.7.216.5410.7.216.55
1510.7.216.56/3010.7.216.57 – 10.7.216.5810.7.216.59
1610.7.216.60/3010.7.216.61 – 10.7.216.6210.7.216.63
1710.7.216.64/3010.7.216.65 – 10.7.216.6610.7.216.67
1810.7.216.68/3010.7.216.69 – 10.7.216.7010.7.216.71
1910.7.216.72/3010.7.216.73 – 10.7.216.7410.7.216.75
2010.7.216.76/3010.7.216.77 – 10.7.216.7810.7.216.79
2110.7.216.80/3010.7.216.81 – 10.7.216.8210.7.216.83
2210.7.216.84/3010.7.216.85 – 10.7.216.8610.7.216.87
2310.7.216.88/3010.7.216.89 – 10.7.216.9010.7.216.91
2410.7.216.92/3010.7.216.93 – 10.7.216.9410.7.216.95
2510.7.216.96/3010.7.216.97 – 10.7.216.9810.7.216.99
2610.7.216.100/3010.7.216.101 – 10.7.216.10210.7.216.103
2710.7.216.104/3010.7.216.105 – 10.7.216.10610.7.216.107
2810.7.216.108/3010.7.216.109 – 10.7.216.11010.7.216.111
2910.7.216.112/3010.7.216.113 – 10.7.216.11410.7.216.115
3010.7.216.116/3010.7.216.117 – 10.7.216.11810.7.216.119
3110.7.216.120/3010.7.216.121 – 10.7.216.12210.7.216.123
3210.7.216.124/3010.7.216.125 – 10.7.216.12610.7.216.127
3310.7.216.128/3010.7.216.129 – 10.7.216.13010.7.216.131
3410.7.216.132/3010.7.216.133 – 10.7.216.13410.7.216.135
3510.7.216.136/3010.7.216.137 – 10.7.216.13810.7.216.139
3610.7.216.140/3010.7.216.141 – 10.7.216.14210.7.216.143
3710.7.216.144/3010.7.216.145 – 10.7.216.14610.7.216.147
3810.7.216.148/3010.7.216.149 – 10.7.216.15010.7.216.151
3910.7.216.152/3010.7.216.153 – 10.7.216.15410.7.216.155
4010.7.216.156/3010.7.216.157 – 10.7.216.15810.7.216.159
4110.7.216.160/3010.7.216.161 – 10.7.216.16210.7.216.163
4210.7.216.164/3010.7.216.165 – 10.7.216.16610.7.216.167
4310.7.216.168/3010.7.216.169 – 10.7.216.17010.7.216.171
4410.7.216.172/3010.7.216.173 – 10.7.216.17410.7.216.175
4510.7.216.176/3010.7.216.177 – 10.7.216.17810.7.216.179
4610.7.216.180/3010.7.216.181 – 10.7.216.18210.7.216.183
4710.7.216.184/3010.7.216.185 – 10.7.216.18610.7.216.187
4810.7.216.188/3010.7.216.189 – 10.7.216.19010.7.216.191
4910.7.216.192/3010.7.216.193 – 10.7.216.19410.7.216.195
5010.7.216.196/3010.7.216.197 – 10.7.216.19810.7.216.199
5110.7.216.200/3010.7.216.201 – 10.7.216.20210.7.216.203
5210.7.216.204/3010.7.216.205 – 10.7.216.20610.7.216.207
5310.7.216.208/3010.7.216.209 – 10.7.216.21010.7.216.211
5410.7.216.212/3010.7.216.213 – 10.7.216.21410.7.216.215
5510.7.216.216/3010.7.216.217 – 10.7.216.21810.7.216.219
5610.7.216.220/3010.7.216.221 – 10.7.216.22210.7.216.223
5710.7.216.224/3010.7.216.225 – 10.7.216.22610.7.216.227
5810.7.216.228/3010.7.216.229 – 10.7.216.23010.7.216.231
5910.7.216.232/3010.7.216.233 – 10.7.216.23410.7.216.235
6010.7.216.236/3010.7.216.237 – 10.7.216.23810.7.216.239
6110.7.216.240/3010.7.216.241 – 10.7.216.24210.7.216.243
6210.7.216.244/3010.7.216.245 – 10.7.216.24610.7.216.247
6310.7.216.248/3010.7.216.249 – 10.7.216.25010.7.216.251
6410.7.216.252/3010.7.216.253 – 10.7.216.25410.7.216.255
6510.7.217.0/3010.7.217.1 – 10.7.217.210.7.217.3
6610.7.217.4/3010.7.217.5 – 10.7.217.610.7.217.7
6710.7.217.8/3010.7.217.9 – 10.7.217.1010.7.217.11
6810.7.217.12/3010.7.217.13 – 10.7.217.1410.7.217.15
6910.7.217.16/3010.7.217.17 – 10.7.217.1810.7.217.19
7010.7.217.20/3010.7.217.21 – 10.7.217.2210.7.217.23
7110.7.217.24/3010.7.217.25 – 10.7.217.2610.7.217.27
7210.7.217.28/3010.7.217.29 – 10.7.217.3010.7.217.31
7310.7.217.32/3010.7.217.33 – 10.7.217.3410.7.217.35
7410.7.217.36/3010.7.217.37 – 10.7.217.3810.7.217.39
7510.7.217.40/3010.7.217.41 – 10.7.217.4210.7.217.43
7610.7.217.44/3010.7.217.45 – 10.7.217.4610.7.217.47
7710.7.217.48/3010.7.217.49 – 10.7.217.5010.7.217.51
7810.7.217.52/3010.7.217.53 – 10.7.217.5410.7.217.55
7910.7.217.56/3010.7.217.57 – 10.7.217.5810.7.217.59
8010.7.217.60/3010.7.217.61 – 10.7.217.6210.7.217.63
8110.7.217.64/3010.7.217.65 – 10.7.217.6610.7.217.67
8210.7.217.68/3010.7.217.69 – 10.7.217.7010.7.217.71
8310.7.217.72/3010.7.217.73 – 10.7.217.7410.7.217.75
8410.7.217.76/3010.7.217.77 – 10.7.217.7810.7.217.79
8510.7.217.80/3010.7.217.81 – 10.7.217.8210.7.217.83
8610.7.217.84/3010.7.217.85 – 10.7.217.8610.7.217.87
8710.7.217.88/3010.7.217.89 – 10.7.217.9010.7.217.91
8810.7.217.92/3010.7.217.93 – 10.7.217.9410.7.217.95
8910.7.217.96/3010.7.217.97 – 10.7.217.9810.7.217.99
9010.7.217.100/3010.7.217.101 – 10.7.217.10210.7.217.103
9110.7.217.104/3010.7.217.105 – 10.7.217.10610.7.217.107
9210.7.217.108/3010.7.217.109 – 10.7.217.11010.7.217.111
9310.7.217.112/3010.7.217.113 – 10.7.217.11410.7.217.115
9410.7.217.116/3010.7.217.117 – 10.7.217.11810.7.217.119
9510.7.217.120/3010.7.217.121 – 10.7.217.12210.7.217.123
9610.7.217.124/3010.7.217.125 – 10.7.217.12610.7.217.127
9710.7.217.128/3010.7.217.129 – 10.7.217.13010.7.217.131
9810.7.217.132/3010.7.217.133 – 10.7.217.13410.7.217.135
9910.7.217.136/3010.7.217.137 – 10.7.217.13810.7.217.139
10010.7.217.140/3010.7.217.141 – 10.7.217.14210.7.217.143
10110.7.217.144/3010.7.217.145 – 10.7.217.14610.7.217.147
10210.7.217.148/3010.7.217.149 – 10.7.217.15010.7.217.151
10310.7.217.152/3010.7.217.153 – 10.7.217.15410.7.217.155
10410.7.217.156/3010.7.217.157 – 10.7.217.15810.7.217.159
10510.7.217.160/3010.7.217.161 – 10.7.217.16210.7.217.163
10610.7.217.164/3010.7.217.165 – 10.7.217.16610.7.217.167
10710.7.217.168/3010.7.217.169 – 10.7.217.17010.7.217.171
10810.7.217.172/3010.7.217.173 – 10.7.217.17410.7.217.175
10910.7.217.176/3010.7.217.177 – 10.7.217.17810.7.217.179
11010.7.217.180/3010.7.217.181 – 10.7.217.18210.7.217.183
11110.7.217.184/3010.7.217.185 – 10.7.217.18610.7.217.187
11210.7.217.188/3010.7.217.189 – 10.7.217.19010.7.217.191
11310.7.217.192/3010.7.217.193 – 10.7.217.19410.7.217.195
11410.7.217.196/3010.7.217.197 – 10.7.217.19810.7.217.199
11510.7.217.200/3010.7.217.201 – 10.7.217.20210.7.217.203
11610.7.217.204/3010.7.217.205 – 10.7.217.20610.7.217.207
11710.7.217.208/3010.7.217.209 – 10.7.217.21010.7.217.211
11810.7.217.212/3010.7.217.213 – 10.7.217.21410.7.217.215
11910.7.217.216/3010.7.217.217 – 10.7.217.21810.7.217.219
12010.7.217.220/3010.7.217.221 – 10.7.217.22210.7.217.223
12110.7.217.224/3010.7.217.225 – 10.7.217.22610.7.217.227
12210.7.217.228/3010.7.217.229 – 10.7.217.23010.7.217.231
12310.7.217.232/3010.7.217.233 – 10.7.217.23410.7.217.235
12410.7.217.236/3010.7.217.237 – 10.7.217.23810.7.217.239
12510.7.217.240/3010.7.217.241 – 10.7.217.24210.7.217.243
12610.7.217.244/3010.7.217.245 – 10.7.217.24610.7.217.247
12710.7.217.248/3010.7.217.249 – 10.7.217.25010.7.217.251
12810.7.217.252/3010.7.217.253 – 10.7.217.25410.7.217.255
12910.7.218.0/3010.7.218.1 – 10.7.218.210.7.218.3
13010.7.218.4/3010.7.218.5 – 10.7.218.610.7.218.7
13110.7.218.8/3010.7.218.9 – 10.7.218.1010.7.218.11
13210.7.218.12/3010.7.218.13 – 10.7.218.1410.7.218.15
13310.7.218.16/3010.7.218.17 – 10.7.218.1810.7.218.19
13410.7.218.20/3010.7.218.21 – 10.7.218.2210.7.218.23
13510.7.218.24/3010.7.218.25 – 10.7.218.2610.7.218.27
13610.7.218.28/3010.7.218.29 – 10.7.218.3010.7.218.31
13710.7.218.32/3010.7.218.33 – 10.7.218.3410.7.218.35
13810.7.218.36/3010.7.218.37 – 10.7.218.3810.7.218.39
13910.7.218.40/3010.7.218.41 – 10.7.218.4210.7.218.43
14010.7.218.44/3010.7.218.45 – 10.7.218.4610.7.218.47
14110.7.218.48/3010.7.218.49 – 10.7.218.5010.7.218.51
14210.7.218.52/3010.7.218.53 – 10.7.218.5410.7.218.55
14310.7.218.56/3010.7.218.57 – 10.7.218.5810.7.218.59
14410.7.218.60/3010.7.218.61 – 10.7.218.6210.7.218.63
14510.7.218.64/3010.7.218.65 – 10.7.218.6610.7.218.67
14610.7.218.68/3010.7.218.69 – 10.7.218.7010.7.218.71
14710.7.218.72/3010.7.218.73 – 10.7.218.7410.7.218.75
14810.7.218.76/3010.7.218.77 – 10.7.218.7810.7.218.79
14910.7.218.80/3010.7.218.81 – 10.7.218.8210.7.218.83
15010.7.218.84/3010.7.218.85 – 10.7.218.8610.7.218.87
15110.7.218.88/3010.7.218.89 – 10.7.218.9010.7.218.91
15210.7.218.92/3010.7.218.93 – 10.7.218.9410.7.218.95
15310.7.218.96/3010.7.218.97 – 10.7.218.9810.7.218.99
15410.7.218.100/3010.7.218.101 – 10.7.218.10210.7.218.103
15510.7.218.104/3010.7.218.105 – 10.7.218.10610.7.218.107
15610.7.218.108/3010.7.218.109 – 10.7.218.11010.7.218.111
15710.7.218.112/3010.7.218.113 – 10.7.218.11410.7.218.115
15810.7.218.116/3010.7.218.117 – 10.7.218.11810.7.218.119
15910.7.218.120/3010.7.218.121 – 10.7.218.12210.7.218.123
16010.7.218.124/3010.7.218.125 – 10.7.218.12610.7.218.127
16110.7.218.128/3010.7.218.129 – 10.7.218.13010.7.218.131
16210.7.218.132/3010.7.218.133 – 10.7.218.13410.7.218.135
16310.7.218.136/3010.7.218.137 – 10.7.218.13810.7.218.139
16410.7.218.140/3010.7.218.141 – 10.7.218.14210.7.218.143
16510.7.218.144/3010.7.218.145 – 10.7.218.14610.7.218.147
16610.7.218.148/3010.7.218.149 – 10.7.218.15010.7.218.151
16710.7.218.152/3010.7.218.153 – 10.7.218.15410.7.218.155
16810.7.218.156/3010.7.218.157 – 10.7.218.15810.7.218.159
16910.7.218.160/3010.7.218.161 – 10.7.218.16210.7.218.163
17010.7.218.164/3010.7.218.165 – 10.7.218.16610.7.218.167
17110.7.218.168/3010.7.218.169 – 10.7.218.17010.7.218.171
17210.7.218.172/3010.7.218.173 – 10.7.218.17410.7.218.175
17310.7.218.176/3010.7.218.177 – 10.7.218.17810.7.218.179
17410.7.218.180/3010.7.218.181 – 10.7.218.18210.7.218.183
17510.7.218.184/3010.7.218.185 – 10.7.218.18610.7.218.187
17610.7.218.188/3010.7.218.189 – 10.7.218.19010.7.218.191
17710.7.218.192/3010.7.218.193 – 10.7.218.19410.7.218.195
17810.7.218.196/3010.7.218.197 – 10.7.218.19810.7.218.199
17910.7.218.200/3010.7.218.201 – 10.7.218.20210.7.218.203
18010.7.218.204/3010.7.218.205 – 10.7.218.20610.7.218.207
18110.7.218.208/3010.7.218.209 – 10.7.218.21010.7.218.211
18210.7.218.212/3010.7.218.213 – 10.7.218.21410.7.218.215
18310.7.218.216/3010.7.218.217 – 10.7.218.21810.7.218.219
18410.7.218.220/3010.7.218.221 – 10.7.218.22210.7.218.223
18510.7.218.224/3010.7.218.225 – 10.7.218.22610.7.218.227
18610.7.218.228/3010.7.218.229 – 10.7.218.23010.7.218.231
18710.7.218.232/3010.7.218.233 – 10.7.218.23410.7.218.235
18810.7.218.236/3010.7.218.237 – 10.7.218.23810.7.218.239
18910.7.218.240/3010.7.218.241 – 10.7.218.24210.7.218.243
19010.7.218.244/3010.7.218.245 – 10.7.218.24610.7.218.247
19110.7.218.248/3010.7.218.249 – 10.7.218.25010.7.218.251
19210.7.218.252/3010.7.218.253 – 10.7.218.25410.7.218.255
19310.7.219.0/3010.7.219.1 – 10.7.219.210.7.219.3
19410.7.219.4/3010.7.219.5 – 10.7.219.610.7.219.7
19510.7.219.8/3010.7.219.9 – 10.7.219.1010.7.219.11
19610.7.219.12/3010.7.219.13 – 10.7.219.1410.7.219.15
19710.7.219.16/3010.7.219.17 – 10.7.219.1810.7.219.19
19810.7.219.20/3010.7.219.21 – 10.7.219.2210.7.219.23
19910.7.219.24/3010.7.219.25 – 10.7.219.2610.7.219.27
20010.7.219.28/3010.7.219.29 – 10.7.219.3010.7.219.31
20110.7.219.32/3010.7.219.33 – 10.7.219.3410.7.219.35
20210.7.219.36/3010.7.219.37 – 10.7.219.3810.7.219.39
20310.7.219.40/3010.7.219.41 – 10.7.219.4210.7.219.43
20410.7.219.44/3010.7.219.45 – 10.7.219.4610.7.219.47
20510.7.219.48/3010.7.219.49 – 10.7.219.5010.7.219.51
20610.7.219.52/3010.7.219.53 – 10.7.219.5410.7.219.55
20710.7.219.56/3010.7.219.57 – 10.7.219.5810.7.219.59
20810.7.219.60/3010.7.219.61 – 10.7.219.6210.7.219.63
20910.7.219.64/3010.7.219.65 – 10.7.219.6610.7.219.67
21010.7.219.68/3010.7.219.69 – 10.7.219.7010.7.219.71
21110.7.219.72/3010.7.219.73 – 10.7.219.7410.7.219.75
21210.7.219.76/3010.7.219.77 – 10.7.219.7810.7.219.79
21310.7.219.80/3010.7.219.81 – 10.7.219.8210.7.219.83
21410.7.219.84/3010.7.219.85 – 10.7.219.8610.7.219.87
21510.7.219.88/3010.7.219.89 – 10.7.219.9010.7.219.91
21610.7.219.92/3010.7.219.93 – 10.7.219.9410.7.219.95
21710.7.219.96/3010.7.219.97 – 10.7.219.9810.7.219.99
21810.7.219.100/3010.7.219.101 – 10.7.219.10210.7.219.103
21910.7.219.104/3010.7.219.105 – 10.7.219.10610.7.219.107
22010.7.219.108/3010.7.219.109 – 10.7.219.11010.7.219.111
22110.7.219.112/3010.7.219.113 – 10.7.219.11410.7.219.115
22210.7.219.116/3010.7.219.117 – 10.7.219.11810.7.219.119
22310.7.219.120/3010.7.219.121 – 10.7.219.12210.7.219.123
22410.7.219.124/3010.7.219.125 – 10.7.219.12610.7.219.127
22510.7.219.128/3010.7.219.129 – 10.7.219.13010.7.219.131
22610.7.219.132/3010.7.219.133 – 10.7.219.13410.7.219.135
22710.7.219.136/3010.7.219.137 – 10.7.219.13810.7.219.139
22810.7.219.140/3010.7.219.141 – 10.7.219.14210.7.219.143
22910.7.219.144/3010.7.219.145 – 10.7.219.14610.7.219.147
23010.7.219.148/3010.7.219.149 – 10.7.219.15010.7.219.151
23110.7.219.152/3010.7.219.153 – 10.7.219.15410.7.219.155
23210.7.219.156/3010.7.219.157 – 10.7.219.15810.7.219.159
23310.7.219.160/3010.7.219.161 – 10.7.219.16210.7.219.163
23410.7.219.164/3010.7.219.165 – 10.7.219.16610.7.219.167
23510.7.219.168/3010.7.219.169 – 10.7.219.17010.7.219.171
23610.7.219.172/3010.7.219.173 – 10.7.219.17410.7.219.175
23710.7.219.176/3010.7.219.177 – 10.7.219.17810.7.219.179
23810.7.219.180/3010.7.219.181 – 10.7.219.18210.7.219.183
23910.7.219.184/3010.7.219.185 – 10.7.219.18610.7.219.187
24010.7.219.188/3010.7.219.189 – 10.7.219.19010.7.219.191
24110.7.219.192/3010.7.219.193 – 10.7.219.19410.7.219.195
24210.7.219.196/3010.7.219.197 – 10.7.219.19810.7.219.199
24310.7.219.200/3010.7.219.201 – 10.7.219.20210.7.219.203
24410.7.219.204/3010.7.219.205 – 10.7.219.20610.7.219.207
24510.7.219.208/3010.7.219.209 – 10.7.219.21010.7.219.211
24610.7.219.212/3010.7.219.213 – 10.7.219.21410.7.219.215
24710.7.219.216/3010.7.219.217 – 10.7.219.21810.7.219.219
24810.7.219.220/3010.7.219.221 – 10.7.219.22210.7.219.223
24910.7.219.224/3010.7.219.225 – 10.7.219.22610.7.219.227
25010.7.219.228/3010.7.219.229 – 10.7.219.23010.7.219.231
25110.7.219.232/3010.7.219.233 – 10.7.219.23410.7.219.235
25210.7.219.236/3010.7.219.237 – 10.7.219.23810.7.219.239
25310.7.219.240/3010.7.219.241 – 10.7.219.24210.7.219.243
25410.7.219.244/3010.7.219.245 – 10.7.219.24610.7.219.247
25510.7.219.248/3010.7.219.249 – 10.7.219.25010.7.219.251
25610.7.219.252/3010.7.219.253 – 10.7.219.25410.7.219.255

showing 256 of 512

01 / table

IPv4 CIDR prefix table.

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

prefixsubnet maskaddresseshostsin your /21
/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-
/21255.255.248.02,0482,0461
/22255.255.252.01,0241,0222 split →
/23255.255.254.05125104 split →
/24255.255.255.02562548 split →
/25255.255.255.12812812616 split →
/26255.255.255.192646232 split →
/27255.255.255.224323064 split →
/28255.255.255.2401614128 split →
/29255.255.255.24886256 split →
/30255.255.255.25242512 split →
/31255.255.255.254221,024 split →
/32255.255.255.255112,048 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 →