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)10.72.0.0/17
network10.72.0.0/17
broadcast10.72.127.255
first host10.72.0.1
last host10.72.127.254
subnet mask255.255.128.0
wildcard0.0.127.255
addresses32,768
usable hosts32,766
classA
ipcalc 10.72.0.0/17
address00001010.01001000.00000000.00000000
subnet mask11111111.11111111.10000000.00000000
network00001010.01001000.00000000.00000000
broadcast00001010.01001000.01111111.11111111
green = network part, grey = host part
hex0x0a480000
decimal172490752
reverse dns0.0.72.10.in-addr.arpa
ipv4-mapped::ffff:a48:0

/17 split into /26 · 512 subnets

close ×
#networkhost rangebroadcast
110.72.0.0/2610.72.0.1 – 10.72.0.6210.72.0.63
210.72.0.64/2610.72.0.65 – 10.72.0.12610.72.0.127
310.72.0.128/2610.72.0.129 – 10.72.0.19010.72.0.191
410.72.0.192/2610.72.0.193 – 10.72.0.25410.72.0.255
510.72.1.0/2610.72.1.1 – 10.72.1.6210.72.1.63
610.72.1.64/2610.72.1.65 – 10.72.1.12610.72.1.127
710.72.1.128/2610.72.1.129 – 10.72.1.19010.72.1.191
810.72.1.192/2610.72.1.193 – 10.72.1.25410.72.1.255
910.72.2.0/2610.72.2.1 – 10.72.2.6210.72.2.63
1010.72.2.64/2610.72.2.65 – 10.72.2.12610.72.2.127
1110.72.2.128/2610.72.2.129 – 10.72.2.19010.72.2.191
1210.72.2.192/2610.72.2.193 – 10.72.2.25410.72.2.255
1310.72.3.0/2610.72.3.1 – 10.72.3.6210.72.3.63
1410.72.3.64/2610.72.3.65 – 10.72.3.12610.72.3.127
1510.72.3.128/2610.72.3.129 – 10.72.3.19010.72.3.191
1610.72.3.192/2610.72.3.193 – 10.72.3.25410.72.3.255
1710.72.4.0/2610.72.4.1 – 10.72.4.6210.72.4.63
1810.72.4.64/2610.72.4.65 – 10.72.4.12610.72.4.127
1910.72.4.128/2610.72.4.129 – 10.72.4.19010.72.4.191
2010.72.4.192/2610.72.4.193 – 10.72.4.25410.72.4.255
2110.72.5.0/2610.72.5.1 – 10.72.5.6210.72.5.63
2210.72.5.64/2610.72.5.65 – 10.72.5.12610.72.5.127
2310.72.5.128/2610.72.5.129 – 10.72.5.19010.72.5.191
2410.72.5.192/2610.72.5.193 – 10.72.5.25410.72.5.255
2510.72.6.0/2610.72.6.1 – 10.72.6.6210.72.6.63
2610.72.6.64/2610.72.6.65 – 10.72.6.12610.72.6.127
2710.72.6.128/2610.72.6.129 – 10.72.6.19010.72.6.191
2810.72.6.192/2610.72.6.193 – 10.72.6.25410.72.6.255
2910.72.7.0/2610.72.7.1 – 10.72.7.6210.72.7.63
3010.72.7.64/2610.72.7.65 – 10.72.7.12610.72.7.127
3110.72.7.128/2610.72.7.129 – 10.72.7.19010.72.7.191
3210.72.7.192/2610.72.7.193 – 10.72.7.25410.72.7.255
3310.72.8.0/2610.72.8.1 – 10.72.8.6210.72.8.63
3410.72.8.64/2610.72.8.65 – 10.72.8.12610.72.8.127
3510.72.8.128/2610.72.8.129 – 10.72.8.19010.72.8.191
3610.72.8.192/2610.72.8.193 – 10.72.8.25410.72.8.255
3710.72.9.0/2610.72.9.1 – 10.72.9.6210.72.9.63
3810.72.9.64/2610.72.9.65 – 10.72.9.12610.72.9.127
3910.72.9.128/2610.72.9.129 – 10.72.9.19010.72.9.191
4010.72.9.192/2610.72.9.193 – 10.72.9.25410.72.9.255
4110.72.10.0/2610.72.10.1 – 10.72.10.6210.72.10.63
4210.72.10.64/2610.72.10.65 – 10.72.10.12610.72.10.127
4310.72.10.128/2610.72.10.129 – 10.72.10.19010.72.10.191
4410.72.10.192/2610.72.10.193 – 10.72.10.25410.72.10.255
4510.72.11.0/2610.72.11.1 – 10.72.11.6210.72.11.63
4610.72.11.64/2610.72.11.65 – 10.72.11.12610.72.11.127
4710.72.11.128/2610.72.11.129 – 10.72.11.19010.72.11.191
4810.72.11.192/2610.72.11.193 – 10.72.11.25410.72.11.255
4910.72.12.0/2610.72.12.1 – 10.72.12.6210.72.12.63
5010.72.12.64/2610.72.12.65 – 10.72.12.12610.72.12.127
5110.72.12.128/2610.72.12.129 – 10.72.12.19010.72.12.191
5210.72.12.192/2610.72.12.193 – 10.72.12.25410.72.12.255
5310.72.13.0/2610.72.13.1 – 10.72.13.6210.72.13.63
5410.72.13.64/2610.72.13.65 – 10.72.13.12610.72.13.127
5510.72.13.128/2610.72.13.129 – 10.72.13.19010.72.13.191
5610.72.13.192/2610.72.13.193 – 10.72.13.25410.72.13.255
5710.72.14.0/2610.72.14.1 – 10.72.14.6210.72.14.63
5810.72.14.64/2610.72.14.65 – 10.72.14.12610.72.14.127
5910.72.14.128/2610.72.14.129 – 10.72.14.19010.72.14.191
6010.72.14.192/2610.72.14.193 – 10.72.14.25410.72.14.255
6110.72.15.0/2610.72.15.1 – 10.72.15.6210.72.15.63
6210.72.15.64/2610.72.15.65 – 10.72.15.12610.72.15.127
6310.72.15.128/2610.72.15.129 – 10.72.15.19010.72.15.191
6410.72.15.192/2610.72.15.193 – 10.72.15.25410.72.15.255
6510.72.16.0/2610.72.16.1 – 10.72.16.6210.72.16.63
6610.72.16.64/2610.72.16.65 – 10.72.16.12610.72.16.127
6710.72.16.128/2610.72.16.129 – 10.72.16.19010.72.16.191
6810.72.16.192/2610.72.16.193 – 10.72.16.25410.72.16.255
6910.72.17.0/2610.72.17.1 – 10.72.17.6210.72.17.63
7010.72.17.64/2610.72.17.65 – 10.72.17.12610.72.17.127
7110.72.17.128/2610.72.17.129 – 10.72.17.19010.72.17.191
7210.72.17.192/2610.72.17.193 – 10.72.17.25410.72.17.255
7310.72.18.0/2610.72.18.1 – 10.72.18.6210.72.18.63
7410.72.18.64/2610.72.18.65 – 10.72.18.12610.72.18.127
7510.72.18.128/2610.72.18.129 – 10.72.18.19010.72.18.191
7610.72.18.192/2610.72.18.193 – 10.72.18.25410.72.18.255
7710.72.19.0/2610.72.19.1 – 10.72.19.6210.72.19.63
7810.72.19.64/2610.72.19.65 – 10.72.19.12610.72.19.127
7910.72.19.128/2610.72.19.129 – 10.72.19.19010.72.19.191
8010.72.19.192/2610.72.19.193 – 10.72.19.25410.72.19.255
8110.72.20.0/2610.72.20.1 – 10.72.20.6210.72.20.63
8210.72.20.64/2610.72.20.65 – 10.72.20.12610.72.20.127
8310.72.20.128/2610.72.20.129 – 10.72.20.19010.72.20.191
8410.72.20.192/2610.72.20.193 – 10.72.20.25410.72.20.255
8510.72.21.0/2610.72.21.1 – 10.72.21.6210.72.21.63
8610.72.21.64/2610.72.21.65 – 10.72.21.12610.72.21.127
8710.72.21.128/2610.72.21.129 – 10.72.21.19010.72.21.191
8810.72.21.192/2610.72.21.193 – 10.72.21.25410.72.21.255
8910.72.22.0/2610.72.22.1 – 10.72.22.6210.72.22.63
9010.72.22.64/2610.72.22.65 – 10.72.22.12610.72.22.127
9110.72.22.128/2610.72.22.129 – 10.72.22.19010.72.22.191
9210.72.22.192/2610.72.22.193 – 10.72.22.25410.72.22.255
9310.72.23.0/2610.72.23.1 – 10.72.23.6210.72.23.63
9410.72.23.64/2610.72.23.65 – 10.72.23.12610.72.23.127
9510.72.23.128/2610.72.23.129 – 10.72.23.19010.72.23.191
9610.72.23.192/2610.72.23.193 – 10.72.23.25410.72.23.255
9710.72.24.0/2610.72.24.1 – 10.72.24.6210.72.24.63
9810.72.24.64/2610.72.24.65 – 10.72.24.12610.72.24.127
9910.72.24.128/2610.72.24.129 – 10.72.24.19010.72.24.191
10010.72.24.192/2610.72.24.193 – 10.72.24.25410.72.24.255
10110.72.25.0/2610.72.25.1 – 10.72.25.6210.72.25.63
10210.72.25.64/2610.72.25.65 – 10.72.25.12610.72.25.127
10310.72.25.128/2610.72.25.129 – 10.72.25.19010.72.25.191
10410.72.25.192/2610.72.25.193 – 10.72.25.25410.72.25.255
10510.72.26.0/2610.72.26.1 – 10.72.26.6210.72.26.63
10610.72.26.64/2610.72.26.65 – 10.72.26.12610.72.26.127
10710.72.26.128/2610.72.26.129 – 10.72.26.19010.72.26.191
10810.72.26.192/2610.72.26.193 – 10.72.26.25410.72.26.255
10910.72.27.0/2610.72.27.1 – 10.72.27.6210.72.27.63
11010.72.27.64/2610.72.27.65 – 10.72.27.12610.72.27.127
11110.72.27.128/2610.72.27.129 – 10.72.27.19010.72.27.191
11210.72.27.192/2610.72.27.193 – 10.72.27.25410.72.27.255
11310.72.28.0/2610.72.28.1 – 10.72.28.6210.72.28.63
11410.72.28.64/2610.72.28.65 – 10.72.28.12610.72.28.127
11510.72.28.128/2610.72.28.129 – 10.72.28.19010.72.28.191
11610.72.28.192/2610.72.28.193 – 10.72.28.25410.72.28.255
11710.72.29.0/2610.72.29.1 – 10.72.29.6210.72.29.63
11810.72.29.64/2610.72.29.65 – 10.72.29.12610.72.29.127
11910.72.29.128/2610.72.29.129 – 10.72.29.19010.72.29.191
12010.72.29.192/2610.72.29.193 – 10.72.29.25410.72.29.255
12110.72.30.0/2610.72.30.1 – 10.72.30.6210.72.30.63
12210.72.30.64/2610.72.30.65 – 10.72.30.12610.72.30.127
12310.72.30.128/2610.72.30.129 – 10.72.30.19010.72.30.191
12410.72.30.192/2610.72.30.193 – 10.72.30.25410.72.30.255
12510.72.31.0/2610.72.31.1 – 10.72.31.6210.72.31.63
12610.72.31.64/2610.72.31.65 – 10.72.31.12610.72.31.127
12710.72.31.128/2610.72.31.129 – 10.72.31.19010.72.31.191
12810.72.31.192/2610.72.31.193 – 10.72.31.25410.72.31.255
12910.72.32.0/2610.72.32.1 – 10.72.32.6210.72.32.63
13010.72.32.64/2610.72.32.65 – 10.72.32.12610.72.32.127
13110.72.32.128/2610.72.32.129 – 10.72.32.19010.72.32.191
13210.72.32.192/2610.72.32.193 – 10.72.32.25410.72.32.255
13310.72.33.0/2610.72.33.1 – 10.72.33.6210.72.33.63
13410.72.33.64/2610.72.33.65 – 10.72.33.12610.72.33.127
13510.72.33.128/2610.72.33.129 – 10.72.33.19010.72.33.191
13610.72.33.192/2610.72.33.193 – 10.72.33.25410.72.33.255
13710.72.34.0/2610.72.34.1 – 10.72.34.6210.72.34.63
13810.72.34.64/2610.72.34.65 – 10.72.34.12610.72.34.127
13910.72.34.128/2610.72.34.129 – 10.72.34.19010.72.34.191
14010.72.34.192/2610.72.34.193 – 10.72.34.25410.72.34.255
14110.72.35.0/2610.72.35.1 – 10.72.35.6210.72.35.63
14210.72.35.64/2610.72.35.65 – 10.72.35.12610.72.35.127
14310.72.35.128/2610.72.35.129 – 10.72.35.19010.72.35.191
14410.72.35.192/2610.72.35.193 – 10.72.35.25410.72.35.255
14510.72.36.0/2610.72.36.1 – 10.72.36.6210.72.36.63
14610.72.36.64/2610.72.36.65 – 10.72.36.12610.72.36.127
14710.72.36.128/2610.72.36.129 – 10.72.36.19010.72.36.191
14810.72.36.192/2610.72.36.193 – 10.72.36.25410.72.36.255
14910.72.37.0/2610.72.37.1 – 10.72.37.6210.72.37.63
15010.72.37.64/2610.72.37.65 – 10.72.37.12610.72.37.127
15110.72.37.128/2610.72.37.129 – 10.72.37.19010.72.37.191
15210.72.37.192/2610.72.37.193 – 10.72.37.25410.72.37.255
15310.72.38.0/2610.72.38.1 – 10.72.38.6210.72.38.63
15410.72.38.64/2610.72.38.65 – 10.72.38.12610.72.38.127
15510.72.38.128/2610.72.38.129 – 10.72.38.19010.72.38.191
15610.72.38.192/2610.72.38.193 – 10.72.38.25410.72.38.255
15710.72.39.0/2610.72.39.1 – 10.72.39.6210.72.39.63
15810.72.39.64/2610.72.39.65 – 10.72.39.12610.72.39.127
15910.72.39.128/2610.72.39.129 – 10.72.39.19010.72.39.191
16010.72.39.192/2610.72.39.193 – 10.72.39.25410.72.39.255
16110.72.40.0/2610.72.40.1 – 10.72.40.6210.72.40.63
16210.72.40.64/2610.72.40.65 – 10.72.40.12610.72.40.127
16310.72.40.128/2610.72.40.129 – 10.72.40.19010.72.40.191
16410.72.40.192/2610.72.40.193 – 10.72.40.25410.72.40.255
16510.72.41.0/2610.72.41.1 – 10.72.41.6210.72.41.63
16610.72.41.64/2610.72.41.65 – 10.72.41.12610.72.41.127
16710.72.41.128/2610.72.41.129 – 10.72.41.19010.72.41.191
16810.72.41.192/2610.72.41.193 – 10.72.41.25410.72.41.255
16910.72.42.0/2610.72.42.1 – 10.72.42.6210.72.42.63
17010.72.42.64/2610.72.42.65 – 10.72.42.12610.72.42.127
17110.72.42.128/2610.72.42.129 – 10.72.42.19010.72.42.191
17210.72.42.192/2610.72.42.193 – 10.72.42.25410.72.42.255
17310.72.43.0/2610.72.43.1 – 10.72.43.6210.72.43.63
17410.72.43.64/2610.72.43.65 – 10.72.43.12610.72.43.127
17510.72.43.128/2610.72.43.129 – 10.72.43.19010.72.43.191
17610.72.43.192/2610.72.43.193 – 10.72.43.25410.72.43.255
17710.72.44.0/2610.72.44.1 – 10.72.44.6210.72.44.63
17810.72.44.64/2610.72.44.65 – 10.72.44.12610.72.44.127
17910.72.44.128/2610.72.44.129 – 10.72.44.19010.72.44.191
18010.72.44.192/2610.72.44.193 – 10.72.44.25410.72.44.255
18110.72.45.0/2610.72.45.1 – 10.72.45.6210.72.45.63
18210.72.45.64/2610.72.45.65 – 10.72.45.12610.72.45.127
18310.72.45.128/2610.72.45.129 – 10.72.45.19010.72.45.191
18410.72.45.192/2610.72.45.193 – 10.72.45.25410.72.45.255
18510.72.46.0/2610.72.46.1 – 10.72.46.6210.72.46.63
18610.72.46.64/2610.72.46.65 – 10.72.46.12610.72.46.127
18710.72.46.128/2610.72.46.129 – 10.72.46.19010.72.46.191
18810.72.46.192/2610.72.46.193 – 10.72.46.25410.72.46.255
18910.72.47.0/2610.72.47.1 – 10.72.47.6210.72.47.63
19010.72.47.64/2610.72.47.65 – 10.72.47.12610.72.47.127
19110.72.47.128/2610.72.47.129 – 10.72.47.19010.72.47.191
19210.72.47.192/2610.72.47.193 – 10.72.47.25410.72.47.255
19310.72.48.0/2610.72.48.1 – 10.72.48.6210.72.48.63
19410.72.48.64/2610.72.48.65 – 10.72.48.12610.72.48.127
19510.72.48.128/2610.72.48.129 – 10.72.48.19010.72.48.191
19610.72.48.192/2610.72.48.193 – 10.72.48.25410.72.48.255
19710.72.49.0/2610.72.49.1 – 10.72.49.6210.72.49.63
19810.72.49.64/2610.72.49.65 – 10.72.49.12610.72.49.127
19910.72.49.128/2610.72.49.129 – 10.72.49.19010.72.49.191
20010.72.49.192/2610.72.49.193 – 10.72.49.25410.72.49.255
20110.72.50.0/2610.72.50.1 – 10.72.50.6210.72.50.63
20210.72.50.64/2610.72.50.65 – 10.72.50.12610.72.50.127
20310.72.50.128/2610.72.50.129 – 10.72.50.19010.72.50.191
20410.72.50.192/2610.72.50.193 – 10.72.50.25410.72.50.255
20510.72.51.0/2610.72.51.1 – 10.72.51.6210.72.51.63
20610.72.51.64/2610.72.51.65 – 10.72.51.12610.72.51.127
20710.72.51.128/2610.72.51.129 – 10.72.51.19010.72.51.191
20810.72.51.192/2610.72.51.193 – 10.72.51.25410.72.51.255
20910.72.52.0/2610.72.52.1 – 10.72.52.6210.72.52.63
21010.72.52.64/2610.72.52.65 – 10.72.52.12610.72.52.127
21110.72.52.128/2610.72.52.129 – 10.72.52.19010.72.52.191
21210.72.52.192/2610.72.52.193 – 10.72.52.25410.72.52.255
21310.72.53.0/2610.72.53.1 – 10.72.53.6210.72.53.63
21410.72.53.64/2610.72.53.65 – 10.72.53.12610.72.53.127
21510.72.53.128/2610.72.53.129 – 10.72.53.19010.72.53.191
21610.72.53.192/2610.72.53.193 – 10.72.53.25410.72.53.255
21710.72.54.0/2610.72.54.1 – 10.72.54.6210.72.54.63
21810.72.54.64/2610.72.54.65 – 10.72.54.12610.72.54.127
21910.72.54.128/2610.72.54.129 – 10.72.54.19010.72.54.191
22010.72.54.192/2610.72.54.193 – 10.72.54.25410.72.54.255
22110.72.55.0/2610.72.55.1 – 10.72.55.6210.72.55.63
22210.72.55.64/2610.72.55.65 – 10.72.55.12610.72.55.127
22310.72.55.128/2610.72.55.129 – 10.72.55.19010.72.55.191
22410.72.55.192/2610.72.55.193 – 10.72.55.25410.72.55.255
22510.72.56.0/2610.72.56.1 – 10.72.56.6210.72.56.63
22610.72.56.64/2610.72.56.65 – 10.72.56.12610.72.56.127
22710.72.56.128/2610.72.56.129 – 10.72.56.19010.72.56.191
22810.72.56.192/2610.72.56.193 – 10.72.56.25410.72.56.255
22910.72.57.0/2610.72.57.1 – 10.72.57.6210.72.57.63
23010.72.57.64/2610.72.57.65 – 10.72.57.12610.72.57.127
23110.72.57.128/2610.72.57.129 – 10.72.57.19010.72.57.191
23210.72.57.192/2610.72.57.193 – 10.72.57.25410.72.57.255
23310.72.58.0/2610.72.58.1 – 10.72.58.6210.72.58.63
23410.72.58.64/2610.72.58.65 – 10.72.58.12610.72.58.127
23510.72.58.128/2610.72.58.129 – 10.72.58.19010.72.58.191
23610.72.58.192/2610.72.58.193 – 10.72.58.25410.72.58.255
23710.72.59.0/2610.72.59.1 – 10.72.59.6210.72.59.63
23810.72.59.64/2610.72.59.65 – 10.72.59.12610.72.59.127
23910.72.59.128/2610.72.59.129 – 10.72.59.19010.72.59.191
24010.72.59.192/2610.72.59.193 – 10.72.59.25410.72.59.255
24110.72.60.0/2610.72.60.1 – 10.72.60.6210.72.60.63
24210.72.60.64/2610.72.60.65 – 10.72.60.12610.72.60.127
24310.72.60.128/2610.72.60.129 – 10.72.60.19010.72.60.191
24410.72.60.192/2610.72.60.193 – 10.72.60.25410.72.60.255
24510.72.61.0/2610.72.61.1 – 10.72.61.6210.72.61.63
24610.72.61.64/2610.72.61.65 – 10.72.61.12610.72.61.127
24710.72.61.128/2610.72.61.129 – 10.72.61.19010.72.61.191
24810.72.61.192/2610.72.61.193 – 10.72.61.25410.72.61.255
24910.72.62.0/2610.72.62.1 – 10.72.62.6210.72.62.63
25010.72.62.64/2610.72.62.65 – 10.72.62.12610.72.62.127
25110.72.62.128/2610.72.62.129 – 10.72.62.19010.72.62.191
25210.72.62.192/2610.72.62.193 – 10.72.62.25410.72.62.255
25310.72.63.0/2610.72.63.1 – 10.72.63.6210.72.63.63
25410.72.63.64/2610.72.63.65 – 10.72.63.12610.72.63.127
25510.72.63.128/2610.72.63.129 – 10.72.63.19010.72.63.191
25610.72.63.192/2610.72.63.193 – 10.72.63.25410.72.63.255

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 /17
/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-
/17255.255.128.032,76832,7661
/18255.255.192.016,38416,3822 split →
/19255.255.224.08,1928,1904 split →
/20255.255.240.04,0964,0948 split →
/21255.255.248.02,0482,04616 split →
/22255.255.252.01,0241,02232 split →
/23255.255.254.051251064 split →
/24255.255.255.0256254128 split →
/25255.255.255.128128126256 split →
/26255.255.255.1926462512 split →
/27255.255.255.22432301,024 split →
/28255.255.255.24016142,048 split →
/29255.255.255.248864,096 split →
/30255.255.255.252428,192 split →
/31255.255.255.2542216,384 split →
/32255.255.255.2551132,768 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 →