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)10.59.0.0/16
network10.59.0.0/16
broadcast10.59.255.255
first host10.59.0.1
last host10.59.255.254
subnet mask255.255.0.0
wildcard0.0.255.255
addresses65,536
usable hosts65,534
classA
ipcalc 10.59.0.0/16
address00001010.00111011.00000000.00000000
subnet mask11111111.11111111.00000000.00000000
network00001010.00111011.00000000.00000000
broadcast00001010.00111011.11111111.11111111
green = network part, grey = host part
hex0x0a3b0000
decimal171638784
reverse dns0.0.59.10.in-addr.arpa
ipv4-mapped::ffff:a3b:0

/16 split into /26 · 1,024 subnets

close ×
#networkhost rangebroadcast
110.59.0.0/2610.59.0.1 – 10.59.0.6210.59.0.63
210.59.0.64/2610.59.0.65 – 10.59.0.12610.59.0.127
310.59.0.128/2610.59.0.129 – 10.59.0.19010.59.0.191
410.59.0.192/2610.59.0.193 – 10.59.0.25410.59.0.255
510.59.1.0/2610.59.1.1 – 10.59.1.6210.59.1.63
610.59.1.64/2610.59.1.65 – 10.59.1.12610.59.1.127
710.59.1.128/2610.59.1.129 – 10.59.1.19010.59.1.191
810.59.1.192/2610.59.1.193 – 10.59.1.25410.59.1.255
910.59.2.0/2610.59.2.1 – 10.59.2.6210.59.2.63
1010.59.2.64/2610.59.2.65 – 10.59.2.12610.59.2.127
1110.59.2.128/2610.59.2.129 – 10.59.2.19010.59.2.191
1210.59.2.192/2610.59.2.193 – 10.59.2.25410.59.2.255
1310.59.3.0/2610.59.3.1 – 10.59.3.6210.59.3.63
1410.59.3.64/2610.59.3.65 – 10.59.3.12610.59.3.127
1510.59.3.128/2610.59.3.129 – 10.59.3.19010.59.3.191
1610.59.3.192/2610.59.3.193 – 10.59.3.25410.59.3.255
1710.59.4.0/2610.59.4.1 – 10.59.4.6210.59.4.63
1810.59.4.64/2610.59.4.65 – 10.59.4.12610.59.4.127
1910.59.4.128/2610.59.4.129 – 10.59.4.19010.59.4.191
2010.59.4.192/2610.59.4.193 – 10.59.4.25410.59.4.255
2110.59.5.0/2610.59.5.1 – 10.59.5.6210.59.5.63
2210.59.5.64/2610.59.5.65 – 10.59.5.12610.59.5.127
2310.59.5.128/2610.59.5.129 – 10.59.5.19010.59.5.191
2410.59.5.192/2610.59.5.193 – 10.59.5.25410.59.5.255
2510.59.6.0/2610.59.6.1 – 10.59.6.6210.59.6.63
2610.59.6.64/2610.59.6.65 – 10.59.6.12610.59.6.127
2710.59.6.128/2610.59.6.129 – 10.59.6.19010.59.6.191
2810.59.6.192/2610.59.6.193 – 10.59.6.25410.59.6.255
2910.59.7.0/2610.59.7.1 – 10.59.7.6210.59.7.63
3010.59.7.64/2610.59.7.65 – 10.59.7.12610.59.7.127
3110.59.7.128/2610.59.7.129 – 10.59.7.19010.59.7.191
3210.59.7.192/2610.59.7.193 – 10.59.7.25410.59.7.255
3310.59.8.0/2610.59.8.1 – 10.59.8.6210.59.8.63
3410.59.8.64/2610.59.8.65 – 10.59.8.12610.59.8.127
3510.59.8.128/2610.59.8.129 – 10.59.8.19010.59.8.191
3610.59.8.192/2610.59.8.193 – 10.59.8.25410.59.8.255
3710.59.9.0/2610.59.9.1 – 10.59.9.6210.59.9.63
3810.59.9.64/2610.59.9.65 – 10.59.9.12610.59.9.127
3910.59.9.128/2610.59.9.129 – 10.59.9.19010.59.9.191
4010.59.9.192/2610.59.9.193 – 10.59.9.25410.59.9.255
4110.59.10.0/2610.59.10.1 – 10.59.10.6210.59.10.63
4210.59.10.64/2610.59.10.65 – 10.59.10.12610.59.10.127
4310.59.10.128/2610.59.10.129 – 10.59.10.19010.59.10.191
4410.59.10.192/2610.59.10.193 – 10.59.10.25410.59.10.255
4510.59.11.0/2610.59.11.1 – 10.59.11.6210.59.11.63
4610.59.11.64/2610.59.11.65 – 10.59.11.12610.59.11.127
4710.59.11.128/2610.59.11.129 – 10.59.11.19010.59.11.191
4810.59.11.192/2610.59.11.193 – 10.59.11.25410.59.11.255
4910.59.12.0/2610.59.12.1 – 10.59.12.6210.59.12.63
5010.59.12.64/2610.59.12.65 – 10.59.12.12610.59.12.127
5110.59.12.128/2610.59.12.129 – 10.59.12.19010.59.12.191
5210.59.12.192/2610.59.12.193 – 10.59.12.25410.59.12.255
5310.59.13.0/2610.59.13.1 – 10.59.13.6210.59.13.63
5410.59.13.64/2610.59.13.65 – 10.59.13.12610.59.13.127
5510.59.13.128/2610.59.13.129 – 10.59.13.19010.59.13.191
5610.59.13.192/2610.59.13.193 – 10.59.13.25410.59.13.255
5710.59.14.0/2610.59.14.1 – 10.59.14.6210.59.14.63
5810.59.14.64/2610.59.14.65 – 10.59.14.12610.59.14.127
5910.59.14.128/2610.59.14.129 – 10.59.14.19010.59.14.191
6010.59.14.192/2610.59.14.193 – 10.59.14.25410.59.14.255
6110.59.15.0/2610.59.15.1 – 10.59.15.6210.59.15.63
6210.59.15.64/2610.59.15.65 – 10.59.15.12610.59.15.127
6310.59.15.128/2610.59.15.129 – 10.59.15.19010.59.15.191
6410.59.15.192/2610.59.15.193 – 10.59.15.25410.59.15.255
6510.59.16.0/2610.59.16.1 – 10.59.16.6210.59.16.63
6610.59.16.64/2610.59.16.65 – 10.59.16.12610.59.16.127
6710.59.16.128/2610.59.16.129 – 10.59.16.19010.59.16.191
6810.59.16.192/2610.59.16.193 – 10.59.16.25410.59.16.255
6910.59.17.0/2610.59.17.1 – 10.59.17.6210.59.17.63
7010.59.17.64/2610.59.17.65 – 10.59.17.12610.59.17.127
7110.59.17.128/2610.59.17.129 – 10.59.17.19010.59.17.191
7210.59.17.192/2610.59.17.193 – 10.59.17.25410.59.17.255
7310.59.18.0/2610.59.18.1 – 10.59.18.6210.59.18.63
7410.59.18.64/2610.59.18.65 – 10.59.18.12610.59.18.127
7510.59.18.128/2610.59.18.129 – 10.59.18.19010.59.18.191
7610.59.18.192/2610.59.18.193 – 10.59.18.25410.59.18.255
7710.59.19.0/2610.59.19.1 – 10.59.19.6210.59.19.63
7810.59.19.64/2610.59.19.65 – 10.59.19.12610.59.19.127
7910.59.19.128/2610.59.19.129 – 10.59.19.19010.59.19.191
8010.59.19.192/2610.59.19.193 – 10.59.19.25410.59.19.255
8110.59.20.0/2610.59.20.1 – 10.59.20.6210.59.20.63
8210.59.20.64/2610.59.20.65 – 10.59.20.12610.59.20.127
8310.59.20.128/2610.59.20.129 – 10.59.20.19010.59.20.191
8410.59.20.192/2610.59.20.193 – 10.59.20.25410.59.20.255
8510.59.21.0/2610.59.21.1 – 10.59.21.6210.59.21.63
8610.59.21.64/2610.59.21.65 – 10.59.21.12610.59.21.127
8710.59.21.128/2610.59.21.129 – 10.59.21.19010.59.21.191
8810.59.21.192/2610.59.21.193 – 10.59.21.25410.59.21.255
8910.59.22.0/2610.59.22.1 – 10.59.22.6210.59.22.63
9010.59.22.64/2610.59.22.65 – 10.59.22.12610.59.22.127
9110.59.22.128/2610.59.22.129 – 10.59.22.19010.59.22.191
9210.59.22.192/2610.59.22.193 – 10.59.22.25410.59.22.255
9310.59.23.0/2610.59.23.1 – 10.59.23.6210.59.23.63
9410.59.23.64/2610.59.23.65 – 10.59.23.12610.59.23.127
9510.59.23.128/2610.59.23.129 – 10.59.23.19010.59.23.191
9610.59.23.192/2610.59.23.193 – 10.59.23.25410.59.23.255
9710.59.24.0/2610.59.24.1 – 10.59.24.6210.59.24.63
9810.59.24.64/2610.59.24.65 – 10.59.24.12610.59.24.127
9910.59.24.128/2610.59.24.129 – 10.59.24.19010.59.24.191
10010.59.24.192/2610.59.24.193 – 10.59.24.25410.59.24.255
10110.59.25.0/2610.59.25.1 – 10.59.25.6210.59.25.63
10210.59.25.64/2610.59.25.65 – 10.59.25.12610.59.25.127
10310.59.25.128/2610.59.25.129 – 10.59.25.19010.59.25.191
10410.59.25.192/2610.59.25.193 – 10.59.25.25410.59.25.255
10510.59.26.0/2610.59.26.1 – 10.59.26.6210.59.26.63
10610.59.26.64/2610.59.26.65 – 10.59.26.12610.59.26.127
10710.59.26.128/2610.59.26.129 – 10.59.26.19010.59.26.191
10810.59.26.192/2610.59.26.193 – 10.59.26.25410.59.26.255
10910.59.27.0/2610.59.27.1 – 10.59.27.6210.59.27.63
11010.59.27.64/2610.59.27.65 – 10.59.27.12610.59.27.127
11110.59.27.128/2610.59.27.129 – 10.59.27.19010.59.27.191
11210.59.27.192/2610.59.27.193 – 10.59.27.25410.59.27.255
11310.59.28.0/2610.59.28.1 – 10.59.28.6210.59.28.63
11410.59.28.64/2610.59.28.65 – 10.59.28.12610.59.28.127
11510.59.28.128/2610.59.28.129 – 10.59.28.19010.59.28.191
11610.59.28.192/2610.59.28.193 – 10.59.28.25410.59.28.255
11710.59.29.0/2610.59.29.1 – 10.59.29.6210.59.29.63
11810.59.29.64/2610.59.29.65 – 10.59.29.12610.59.29.127
11910.59.29.128/2610.59.29.129 – 10.59.29.19010.59.29.191
12010.59.29.192/2610.59.29.193 – 10.59.29.25410.59.29.255
12110.59.30.0/2610.59.30.1 – 10.59.30.6210.59.30.63
12210.59.30.64/2610.59.30.65 – 10.59.30.12610.59.30.127
12310.59.30.128/2610.59.30.129 – 10.59.30.19010.59.30.191
12410.59.30.192/2610.59.30.193 – 10.59.30.25410.59.30.255
12510.59.31.0/2610.59.31.1 – 10.59.31.6210.59.31.63
12610.59.31.64/2610.59.31.65 – 10.59.31.12610.59.31.127
12710.59.31.128/2610.59.31.129 – 10.59.31.19010.59.31.191
12810.59.31.192/2610.59.31.193 – 10.59.31.25410.59.31.255
12910.59.32.0/2610.59.32.1 – 10.59.32.6210.59.32.63
13010.59.32.64/2610.59.32.65 – 10.59.32.12610.59.32.127
13110.59.32.128/2610.59.32.129 – 10.59.32.19010.59.32.191
13210.59.32.192/2610.59.32.193 – 10.59.32.25410.59.32.255
13310.59.33.0/2610.59.33.1 – 10.59.33.6210.59.33.63
13410.59.33.64/2610.59.33.65 – 10.59.33.12610.59.33.127
13510.59.33.128/2610.59.33.129 – 10.59.33.19010.59.33.191
13610.59.33.192/2610.59.33.193 – 10.59.33.25410.59.33.255
13710.59.34.0/2610.59.34.1 – 10.59.34.6210.59.34.63
13810.59.34.64/2610.59.34.65 – 10.59.34.12610.59.34.127
13910.59.34.128/2610.59.34.129 – 10.59.34.19010.59.34.191
14010.59.34.192/2610.59.34.193 – 10.59.34.25410.59.34.255
14110.59.35.0/2610.59.35.1 – 10.59.35.6210.59.35.63
14210.59.35.64/2610.59.35.65 – 10.59.35.12610.59.35.127
14310.59.35.128/2610.59.35.129 – 10.59.35.19010.59.35.191
14410.59.35.192/2610.59.35.193 – 10.59.35.25410.59.35.255
14510.59.36.0/2610.59.36.1 – 10.59.36.6210.59.36.63
14610.59.36.64/2610.59.36.65 – 10.59.36.12610.59.36.127
14710.59.36.128/2610.59.36.129 – 10.59.36.19010.59.36.191
14810.59.36.192/2610.59.36.193 – 10.59.36.25410.59.36.255
14910.59.37.0/2610.59.37.1 – 10.59.37.6210.59.37.63
15010.59.37.64/2610.59.37.65 – 10.59.37.12610.59.37.127
15110.59.37.128/2610.59.37.129 – 10.59.37.19010.59.37.191
15210.59.37.192/2610.59.37.193 – 10.59.37.25410.59.37.255
15310.59.38.0/2610.59.38.1 – 10.59.38.6210.59.38.63
15410.59.38.64/2610.59.38.65 – 10.59.38.12610.59.38.127
15510.59.38.128/2610.59.38.129 – 10.59.38.19010.59.38.191
15610.59.38.192/2610.59.38.193 – 10.59.38.25410.59.38.255
15710.59.39.0/2610.59.39.1 – 10.59.39.6210.59.39.63
15810.59.39.64/2610.59.39.65 – 10.59.39.12610.59.39.127
15910.59.39.128/2610.59.39.129 – 10.59.39.19010.59.39.191
16010.59.39.192/2610.59.39.193 – 10.59.39.25410.59.39.255
16110.59.40.0/2610.59.40.1 – 10.59.40.6210.59.40.63
16210.59.40.64/2610.59.40.65 – 10.59.40.12610.59.40.127
16310.59.40.128/2610.59.40.129 – 10.59.40.19010.59.40.191
16410.59.40.192/2610.59.40.193 – 10.59.40.25410.59.40.255
16510.59.41.0/2610.59.41.1 – 10.59.41.6210.59.41.63
16610.59.41.64/2610.59.41.65 – 10.59.41.12610.59.41.127
16710.59.41.128/2610.59.41.129 – 10.59.41.19010.59.41.191
16810.59.41.192/2610.59.41.193 – 10.59.41.25410.59.41.255
16910.59.42.0/2610.59.42.1 – 10.59.42.6210.59.42.63
17010.59.42.64/2610.59.42.65 – 10.59.42.12610.59.42.127
17110.59.42.128/2610.59.42.129 – 10.59.42.19010.59.42.191
17210.59.42.192/2610.59.42.193 – 10.59.42.25410.59.42.255
17310.59.43.0/2610.59.43.1 – 10.59.43.6210.59.43.63
17410.59.43.64/2610.59.43.65 – 10.59.43.12610.59.43.127
17510.59.43.128/2610.59.43.129 – 10.59.43.19010.59.43.191
17610.59.43.192/2610.59.43.193 – 10.59.43.25410.59.43.255
17710.59.44.0/2610.59.44.1 – 10.59.44.6210.59.44.63
17810.59.44.64/2610.59.44.65 – 10.59.44.12610.59.44.127
17910.59.44.128/2610.59.44.129 – 10.59.44.19010.59.44.191
18010.59.44.192/2610.59.44.193 – 10.59.44.25410.59.44.255
18110.59.45.0/2610.59.45.1 – 10.59.45.6210.59.45.63
18210.59.45.64/2610.59.45.65 – 10.59.45.12610.59.45.127
18310.59.45.128/2610.59.45.129 – 10.59.45.19010.59.45.191
18410.59.45.192/2610.59.45.193 – 10.59.45.25410.59.45.255
18510.59.46.0/2610.59.46.1 – 10.59.46.6210.59.46.63
18610.59.46.64/2610.59.46.65 – 10.59.46.12610.59.46.127
18710.59.46.128/2610.59.46.129 – 10.59.46.19010.59.46.191
18810.59.46.192/2610.59.46.193 – 10.59.46.25410.59.46.255
18910.59.47.0/2610.59.47.1 – 10.59.47.6210.59.47.63
19010.59.47.64/2610.59.47.65 – 10.59.47.12610.59.47.127
19110.59.47.128/2610.59.47.129 – 10.59.47.19010.59.47.191
19210.59.47.192/2610.59.47.193 – 10.59.47.25410.59.47.255
19310.59.48.0/2610.59.48.1 – 10.59.48.6210.59.48.63
19410.59.48.64/2610.59.48.65 – 10.59.48.12610.59.48.127
19510.59.48.128/2610.59.48.129 – 10.59.48.19010.59.48.191
19610.59.48.192/2610.59.48.193 – 10.59.48.25410.59.48.255
19710.59.49.0/2610.59.49.1 – 10.59.49.6210.59.49.63
19810.59.49.64/2610.59.49.65 – 10.59.49.12610.59.49.127
19910.59.49.128/2610.59.49.129 – 10.59.49.19010.59.49.191
20010.59.49.192/2610.59.49.193 – 10.59.49.25410.59.49.255
20110.59.50.0/2610.59.50.1 – 10.59.50.6210.59.50.63
20210.59.50.64/2610.59.50.65 – 10.59.50.12610.59.50.127
20310.59.50.128/2610.59.50.129 – 10.59.50.19010.59.50.191
20410.59.50.192/2610.59.50.193 – 10.59.50.25410.59.50.255
20510.59.51.0/2610.59.51.1 – 10.59.51.6210.59.51.63
20610.59.51.64/2610.59.51.65 – 10.59.51.12610.59.51.127
20710.59.51.128/2610.59.51.129 – 10.59.51.19010.59.51.191
20810.59.51.192/2610.59.51.193 – 10.59.51.25410.59.51.255
20910.59.52.0/2610.59.52.1 – 10.59.52.6210.59.52.63
21010.59.52.64/2610.59.52.65 – 10.59.52.12610.59.52.127
21110.59.52.128/2610.59.52.129 – 10.59.52.19010.59.52.191
21210.59.52.192/2610.59.52.193 – 10.59.52.25410.59.52.255
21310.59.53.0/2610.59.53.1 – 10.59.53.6210.59.53.63
21410.59.53.64/2610.59.53.65 – 10.59.53.12610.59.53.127
21510.59.53.128/2610.59.53.129 – 10.59.53.19010.59.53.191
21610.59.53.192/2610.59.53.193 – 10.59.53.25410.59.53.255
21710.59.54.0/2610.59.54.1 – 10.59.54.6210.59.54.63
21810.59.54.64/2610.59.54.65 – 10.59.54.12610.59.54.127
21910.59.54.128/2610.59.54.129 – 10.59.54.19010.59.54.191
22010.59.54.192/2610.59.54.193 – 10.59.54.25410.59.54.255
22110.59.55.0/2610.59.55.1 – 10.59.55.6210.59.55.63
22210.59.55.64/2610.59.55.65 – 10.59.55.12610.59.55.127
22310.59.55.128/2610.59.55.129 – 10.59.55.19010.59.55.191
22410.59.55.192/2610.59.55.193 – 10.59.55.25410.59.55.255
22510.59.56.0/2610.59.56.1 – 10.59.56.6210.59.56.63
22610.59.56.64/2610.59.56.65 – 10.59.56.12610.59.56.127
22710.59.56.128/2610.59.56.129 – 10.59.56.19010.59.56.191
22810.59.56.192/2610.59.56.193 – 10.59.56.25410.59.56.255
22910.59.57.0/2610.59.57.1 – 10.59.57.6210.59.57.63
23010.59.57.64/2610.59.57.65 – 10.59.57.12610.59.57.127
23110.59.57.128/2610.59.57.129 – 10.59.57.19010.59.57.191
23210.59.57.192/2610.59.57.193 – 10.59.57.25410.59.57.255
23310.59.58.0/2610.59.58.1 – 10.59.58.6210.59.58.63
23410.59.58.64/2610.59.58.65 – 10.59.58.12610.59.58.127
23510.59.58.128/2610.59.58.129 – 10.59.58.19010.59.58.191
23610.59.58.192/2610.59.58.193 – 10.59.58.25410.59.58.255
23710.59.59.0/2610.59.59.1 – 10.59.59.6210.59.59.63
23810.59.59.64/2610.59.59.65 – 10.59.59.12610.59.59.127
23910.59.59.128/2610.59.59.129 – 10.59.59.19010.59.59.191
24010.59.59.192/2610.59.59.193 – 10.59.59.25410.59.59.255
24110.59.60.0/2610.59.60.1 – 10.59.60.6210.59.60.63
24210.59.60.64/2610.59.60.65 – 10.59.60.12610.59.60.127
24310.59.60.128/2610.59.60.129 – 10.59.60.19010.59.60.191
24410.59.60.192/2610.59.60.193 – 10.59.60.25410.59.60.255
24510.59.61.0/2610.59.61.1 – 10.59.61.6210.59.61.63
24610.59.61.64/2610.59.61.65 – 10.59.61.12610.59.61.127
24710.59.61.128/2610.59.61.129 – 10.59.61.19010.59.61.191
24810.59.61.192/2610.59.61.193 – 10.59.61.25410.59.61.255
24910.59.62.0/2610.59.62.1 – 10.59.62.6210.59.62.63
25010.59.62.64/2610.59.62.65 – 10.59.62.12610.59.62.127
25110.59.62.128/2610.59.62.129 – 10.59.62.19010.59.62.191
25210.59.62.192/2610.59.62.193 – 10.59.62.25410.59.62.255
25310.59.63.0/2610.59.63.1 – 10.59.63.6210.59.63.63
25410.59.63.64/2610.59.63.65 – 10.59.63.12610.59.63.127
25510.59.63.128/2610.59.63.129 – 10.59.63.19010.59.63.191
25610.59.63.192/2610.59.63.193 – 10.59.63.25410.59.63.255

showing 256 of 1,024

01 / table

IPv4 CIDR prefix table.

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

prefixsubnet maskaddresseshostsin your /16
/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-
/16255.255.0.065,53665,5341
/17255.255.128.032,76832,7662 split →
/18255.255.192.016,38416,3824 split →
/19255.255.224.08,1928,1908 split →
/20255.255.240.04,0964,09416 split →
/21255.255.248.02,0482,04632 split →
/22255.255.252.01,0241,02264 split →
/23255.255.254.0512510128 split →
/24255.255.255.0256254256 split →
/25255.255.255.128128126512 split →
/26255.255.255.19264621,024 split →
/27255.255.255.22432302,048 split →
/28255.255.255.24016144,096 split →
/29255.255.255.248868,192 split →
/30255.255.255.2524216,384 split →
/31255.255.255.2542232,768 split →
/32255.255.255.2551165,536 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 →