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)10.37.0.0/17
network10.37.0.0/17
broadcast10.37.127.255
first host10.37.0.1
last host10.37.127.254
subnet mask255.255.128.0
wildcard0.0.127.255
addresses32,768
usable hosts32,766
classA
ipcalc 10.37.0.0/17
address00001010.00100101.00000000.00000000
subnet mask11111111.11111111.10000000.00000000
network00001010.00100101.00000000.00000000
broadcast00001010.00100101.01111111.11111111
green = network part, grey = host part
hex0x0a250000
decimal170196992
reverse dns0.0.37.10.in-addr.arpa
ipv4-mapped::ffff:a25:0

/17 split into /25 · 256 subnets

close ×
#networkhost rangebroadcast
110.37.0.0/2510.37.0.1 – 10.37.0.12610.37.0.127
210.37.0.128/2510.37.0.129 – 10.37.0.25410.37.0.255
310.37.1.0/2510.37.1.1 – 10.37.1.12610.37.1.127
410.37.1.128/2510.37.1.129 – 10.37.1.25410.37.1.255
510.37.2.0/2510.37.2.1 – 10.37.2.12610.37.2.127
610.37.2.128/2510.37.2.129 – 10.37.2.25410.37.2.255
710.37.3.0/2510.37.3.1 – 10.37.3.12610.37.3.127
810.37.3.128/2510.37.3.129 – 10.37.3.25410.37.3.255
910.37.4.0/2510.37.4.1 – 10.37.4.12610.37.4.127
1010.37.4.128/2510.37.4.129 – 10.37.4.25410.37.4.255
1110.37.5.0/2510.37.5.1 – 10.37.5.12610.37.5.127
1210.37.5.128/2510.37.5.129 – 10.37.5.25410.37.5.255
1310.37.6.0/2510.37.6.1 – 10.37.6.12610.37.6.127
1410.37.6.128/2510.37.6.129 – 10.37.6.25410.37.6.255
1510.37.7.0/2510.37.7.1 – 10.37.7.12610.37.7.127
1610.37.7.128/2510.37.7.129 – 10.37.7.25410.37.7.255
1710.37.8.0/2510.37.8.1 – 10.37.8.12610.37.8.127
1810.37.8.128/2510.37.8.129 – 10.37.8.25410.37.8.255
1910.37.9.0/2510.37.9.1 – 10.37.9.12610.37.9.127
2010.37.9.128/2510.37.9.129 – 10.37.9.25410.37.9.255
2110.37.10.0/2510.37.10.1 – 10.37.10.12610.37.10.127
2210.37.10.128/2510.37.10.129 – 10.37.10.25410.37.10.255
2310.37.11.0/2510.37.11.1 – 10.37.11.12610.37.11.127
2410.37.11.128/2510.37.11.129 – 10.37.11.25410.37.11.255
2510.37.12.0/2510.37.12.1 – 10.37.12.12610.37.12.127
2610.37.12.128/2510.37.12.129 – 10.37.12.25410.37.12.255
2710.37.13.0/2510.37.13.1 – 10.37.13.12610.37.13.127
2810.37.13.128/2510.37.13.129 – 10.37.13.25410.37.13.255
2910.37.14.0/2510.37.14.1 – 10.37.14.12610.37.14.127
3010.37.14.128/2510.37.14.129 – 10.37.14.25410.37.14.255
3110.37.15.0/2510.37.15.1 – 10.37.15.12610.37.15.127
3210.37.15.128/2510.37.15.129 – 10.37.15.25410.37.15.255
3310.37.16.0/2510.37.16.1 – 10.37.16.12610.37.16.127
3410.37.16.128/2510.37.16.129 – 10.37.16.25410.37.16.255
3510.37.17.0/2510.37.17.1 – 10.37.17.12610.37.17.127
3610.37.17.128/2510.37.17.129 – 10.37.17.25410.37.17.255
3710.37.18.0/2510.37.18.1 – 10.37.18.12610.37.18.127
3810.37.18.128/2510.37.18.129 – 10.37.18.25410.37.18.255
3910.37.19.0/2510.37.19.1 – 10.37.19.12610.37.19.127
4010.37.19.128/2510.37.19.129 – 10.37.19.25410.37.19.255
4110.37.20.0/2510.37.20.1 – 10.37.20.12610.37.20.127
4210.37.20.128/2510.37.20.129 – 10.37.20.25410.37.20.255
4310.37.21.0/2510.37.21.1 – 10.37.21.12610.37.21.127
4410.37.21.128/2510.37.21.129 – 10.37.21.25410.37.21.255
4510.37.22.0/2510.37.22.1 – 10.37.22.12610.37.22.127
4610.37.22.128/2510.37.22.129 – 10.37.22.25410.37.22.255
4710.37.23.0/2510.37.23.1 – 10.37.23.12610.37.23.127
4810.37.23.128/2510.37.23.129 – 10.37.23.25410.37.23.255
4910.37.24.0/2510.37.24.1 – 10.37.24.12610.37.24.127
5010.37.24.128/2510.37.24.129 – 10.37.24.25410.37.24.255
5110.37.25.0/2510.37.25.1 – 10.37.25.12610.37.25.127
5210.37.25.128/2510.37.25.129 – 10.37.25.25410.37.25.255
5310.37.26.0/2510.37.26.1 – 10.37.26.12610.37.26.127
5410.37.26.128/2510.37.26.129 – 10.37.26.25410.37.26.255
5510.37.27.0/2510.37.27.1 – 10.37.27.12610.37.27.127
5610.37.27.128/2510.37.27.129 – 10.37.27.25410.37.27.255
5710.37.28.0/2510.37.28.1 – 10.37.28.12610.37.28.127
5810.37.28.128/2510.37.28.129 – 10.37.28.25410.37.28.255
5910.37.29.0/2510.37.29.1 – 10.37.29.12610.37.29.127
6010.37.29.128/2510.37.29.129 – 10.37.29.25410.37.29.255
6110.37.30.0/2510.37.30.1 – 10.37.30.12610.37.30.127
6210.37.30.128/2510.37.30.129 – 10.37.30.25410.37.30.255
6310.37.31.0/2510.37.31.1 – 10.37.31.12610.37.31.127
6410.37.31.128/2510.37.31.129 – 10.37.31.25410.37.31.255
6510.37.32.0/2510.37.32.1 – 10.37.32.12610.37.32.127
6610.37.32.128/2510.37.32.129 – 10.37.32.25410.37.32.255
6710.37.33.0/2510.37.33.1 – 10.37.33.12610.37.33.127
6810.37.33.128/2510.37.33.129 – 10.37.33.25410.37.33.255
6910.37.34.0/2510.37.34.1 – 10.37.34.12610.37.34.127
7010.37.34.128/2510.37.34.129 – 10.37.34.25410.37.34.255
7110.37.35.0/2510.37.35.1 – 10.37.35.12610.37.35.127
7210.37.35.128/2510.37.35.129 – 10.37.35.25410.37.35.255
7310.37.36.0/2510.37.36.1 – 10.37.36.12610.37.36.127
7410.37.36.128/2510.37.36.129 – 10.37.36.25410.37.36.255
7510.37.37.0/2510.37.37.1 – 10.37.37.12610.37.37.127
7610.37.37.128/2510.37.37.129 – 10.37.37.25410.37.37.255
7710.37.38.0/2510.37.38.1 – 10.37.38.12610.37.38.127
7810.37.38.128/2510.37.38.129 – 10.37.38.25410.37.38.255
7910.37.39.0/2510.37.39.1 – 10.37.39.12610.37.39.127
8010.37.39.128/2510.37.39.129 – 10.37.39.25410.37.39.255
8110.37.40.0/2510.37.40.1 – 10.37.40.12610.37.40.127
8210.37.40.128/2510.37.40.129 – 10.37.40.25410.37.40.255
8310.37.41.0/2510.37.41.1 – 10.37.41.12610.37.41.127
8410.37.41.128/2510.37.41.129 – 10.37.41.25410.37.41.255
8510.37.42.0/2510.37.42.1 – 10.37.42.12610.37.42.127
8610.37.42.128/2510.37.42.129 – 10.37.42.25410.37.42.255
8710.37.43.0/2510.37.43.1 – 10.37.43.12610.37.43.127
8810.37.43.128/2510.37.43.129 – 10.37.43.25410.37.43.255
8910.37.44.0/2510.37.44.1 – 10.37.44.12610.37.44.127
9010.37.44.128/2510.37.44.129 – 10.37.44.25410.37.44.255
9110.37.45.0/2510.37.45.1 – 10.37.45.12610.37.45.127
9210.37.45.128/2510.37.45.129 – 10.37.45.25410.37.45.255
9310.37.46.0/2510.37.46.1 – 10.37.46.12610.37.46.127
9410.37.46.128/2510.37.46.129 – 10.37.46.25410.37.46.255
9510.37.47.0/2510.37.47.1 – 10.37.47.12610.37.47.127
9610.37.47.128/2510.37.47.129 – 10.37.47.25410.37.47.255
9710.37.48.0/2510.37.48.1 – 10.37.48.12610.37.48.127
9810.37.48.128/2510.37.48.129 – 10.37.48.25410.37.48.255
9910.37.49.0/2510.37.49.1 – 10.37.49.12610.37.49.127
10010.37.49.128/2510.37.49.129 – 10.37.49.25410.37.49.255
10110.37.50.0/2510.37.50.1 – 10.37.50.12610.37.50.127
10210.37.50.128/2510.37.50.129 – 10.37.50.25410.37.50.255
10310.37.51.0/2510.37.51.1 – 10.37.51.12610.37.51.127
10410.37.51.128/2510.37.51.129 – 10.37.51.25410.37.51.255
10510.37.52.0/2510.37.52.1 – 10.37.52.12610.37.52.127
10610.37.52.128/2510.37.52.129 – 10.37.52.25410.37.52.255
10710.37.53.0/2510.37.53.1 – 10.37.53.12610.37.53.127
10810.37.53.128/2510.37.53.129 – 10.37.53.25410.37.53.255
10910.37.54.0/2510.37.54.1 – 10.37.54.12610.37.54.127
11010.37.54.128/2510.37.54.129 – 10.37.54.25410.37.54.255
11110.37.55.0/2510.37.55.1 – 10.37.55.12610.37.55.127
11210.37.55.128/2510.37.55.129 – 10.37.55.25410.37.55.255
11310.37.56.0/2510.37.56.1 – 10.37.56.12610.37.56.127
11410.37.56.128/2510.37.56.129 – 10.37.56.25410.37.56.255
11510.37.57.0/2510.37.57.1 – 10.37.57.12610.37.57.127
11610.37.57.128/2510.37.57.129 – 10.37.57.25410.37.57.255
11710.37.58.0/2510.37.58.1 – 10.37.58.12610.37.58.127
11810.37.58.128/2510.37.58.129 – 10.37.58.25410.37.58.255
11910.37.59.0/2510.37.59.1 – 10.37.59.12610.37.59.127
12010.37.59.128/2510.37.59.129 – 10.37.59.25410.37.59.255
12110.37.60.0/2510.37.60.1 – 10.37.60.12610.37.60.127
12210.37.60.128/2510.37.60.129 – 10.37.60.25410.37.60.255
12310.37.61.0/2510.37.61.1 – 10.37.61.12610.37.61.127
12410.37.61.128/2510.37.61.129 – 10.37.61.25410.37.61.255
12510.37.62.0/2510.37.62.1 – 10.37.62.12610.37.62.127
12610.37.62.128/2510.37.62.129 – 10.37.62.25410.37.62.255
12710.37.63.0/2510.37.63.1 – 10.37.63.12610.37.63.127
12810.37.63.128/2510.37.63.129 – 10.37.63.25410.37.63.255
12910.37.64.0/2510.37.64.1 – 10.37.64.12610.37.64.127
13010.37.64.128/2510.37.64.129 – 10.37.64.25410.37.64.255
13110.37.65.0/2510.37.65.1 – 10.37.65.12610.37.65.127
13210.37.65.128/2510.37.65.129 – 10.37.65.25410.37.65.255
13310.37.66.0/2510.37.66.1 – 10.37.66.12610.37.66.127
13410.37.66.128/2510.37.66.129 – 10.37.66.25410.37.66.255
13510.37.67.0/2510.37.67.1 – 10.37.67.12610.37.67.127
13610.37.67.128/2510.37.67.129 – 10.37.67.25410.37.67.255
13710.37.68.0/2510.37.68.1 – 10.37.68.12610.37.68.127
13810.37.68.128/2510.37.68.129 – 10.37.68.25410.37.68.255
13910.37.69.0/2510.37.69.1 – 10.37.69.12610.37.69.127
14010.37.69.128/2510.37.69.129 – 10.37.69.25410.37.69.255
14110.37.70.0/2510.37.70.1 – 10.37.70.12610.37.70.127
14210.37.70.128/2510.37.70.129 – 10.37.70.25410.37.70.255
14310.37.71.0/2510.37.71.1 – 10.37.71.12610.37.71.127
14410.37.71.128/2510.37.71.129 – 10.37.71.25410.37.71.255
14510.37.72.0/2510.37.72.1 – 10.37.72.12610.37.72.127
14610.37.72.128/2510.37.72.129 – 10.37.72.25410.37.72.255
14710.37.73.0/2510.37.73.1 – 10.37.73.12610.37.73.127
14810.37.73.128/2510.37.73.129 – 10.37.73.25410.37.73.255
14910.37.74.0/2510.37.74.1 – 10.37.74.12610.37.74.127
15010.37.74.128/2510.37.74.129 – 10.37.74.25410.37.74.255
15110.37.75.0/2510.37.75.1 – 10.37.75.12610.37.75.127
15210.37.75.128/2510.37.75.129 – 10.37.75.25410.37.75.255
15310.37.76.0/2510.37.76.1 – 10.37.76.12610.37.76.127
15410.37.76.128/2510.37.76.129 – 10.37.76.25410.37.76.255
15510.37.77.0/2510.37.77.1 – 10.37.77.12610.37.77.127
15610.37.77.128/2510.37.77.129 – 10.37.77.25410.37.77.255
15710.37.78.0/2510.37.78.1 – 10.37.78.12610.37.78.127
15810.37.78.128/2510.37.78.129 – 10.37.78.25410.37.78.255
15910.37.79.0/2510.37.79.1 – 10.37.79.12610.37.79.127
16010.37.79.128/2510.37.79.129 – 10.37.79.25410.37.79.255
16110.37.80.0/2510.37.80.1 – 10.37.80.12610.37.80.127
16210.37.80.128/2510.37.80.129 – 10.37.80.25410.37.80.255
16310.37.81.0/2510.37.81.1 – 10.37.81.12610.37.81.127
16410.37.81.128/2510.37.81.129 – 10.37.81.25410.37.81.255
16510.37.82.0/2510.37.82.1 – 10.37.82.12610.37.82.127
16610.37.82.128/2510.37.82.129 – 10.37.82.25410.37.82.255
16710.37.83.0/2510.37.83.1 – 10.37.83.12610.37.83.127
16810.37.83.128/2510.37.83.129 – 10.37.83.25410.37.83.255
16910.37.84.0/2510.37.84.1 – 10.37.84.12610.37.84.127
17010.37.84.128/2510.37.84.129 – 10.37.84.25410.37.84.255
17110.37.85.0/2510.37.85.1 – 10.37.85.12610.37.85.127
17210.37.85.128/2510.37.85.129 – 10.37.85.25410.37.85.255
17310.37.86.0/2510.37.86.1 – 10.37.86.12610.37.86.127
17410.37.86.128/2510.37.86.129 – 10.37.86.25410.37.86.255
17510.37.87.0/2510.37.87.1 – 10.37.87.12610.37.87.127
17610.37.87.128/2510.37.87.129 – 10.37.87.25410.37.87.255
17710.37.88.0/2510.37.88.1 – 10.37.88.12610.37.88.127
17810.37.88.128/2510.37.88.129 – 10.37.88.25410.37.88.255
17910.37.89.0/2510.37.89.1 – 10.37.89.12610.37.89.127
18010.37.89.128/2510.37.89.129 – 10.37.89.25410.37.89.255
18110.37.90.0/2510.37.90.1 – 10.37.90.12610.37.90.127
18210.37.90.128/2510.37.90.129 – 10.37.90.25410.37.90.255
18310.37.91.0/2510.37.91.1 – 10.37.91.12610.37.91.127
18410.37.91.128/2510.37.91.129 – 10.37.91.25410.37.91.255
18510.37.92.0/2510.37.92.1 – 10.37.92.12610.37.92.127
18610.37.92.128/2510.37.92.129 – 10.37.92.25410.37.92.255
18710.37.93.0/2510.37.93.1 – 10.37.93.12610.37.93.127
18810.37.93.128/2510.37.93.129 – 10.37.93.25410.37.93.255
18910.37.94.0/2510.37.94.1 – 10.37.94.12610.37.94.127
19010.37.94.128/2510.37.94.129 – 10.37.94.25410.37.94.255
19110.37.95.0/2510.37.95.1 – 10.37.95.12610.37.95.127
19210.37.95.128/2510.37.95.129 – 10.37.95.25410.37.95.255
19310.37.96.0/2510.37.96.1 – 10.37.96.12610.37.96.127
19410.37.96.128/2510.37.96.129 – 10.37.96.25410.37.96.255
19510.37.97.0/2510.37.97.1 – 10.37.97.12610.37.97.127
19610.37.97.128/2510.37.97.129 – 10.37.97.25410.37.97.255
19710.37.98.0/2510.37.98.1 – 10.37.98.12610.37.98.127
19810.37.98.128/2510.37.98.129 – 10.37.98.25410.37.98.255
19910.37.99.0/2510.37.99.1 – 10.37.99.12610.37.99.127
20010.37.99.128/2510.37.99.129 – 10.37.99.25410.37.99.255
20110.37.100.0/2510.37.100.1 – 10.37.100.12610.37.100.127
20210.37.100.128/2510.37.100.129 – 10.37.100.25410.37.100.255
20310.37.101.0/2510.37.101.1 – 10.37.101.12610.37.101.127
20410.37.101.128/2510.37.101.129 – 10.37.101.25410.37.101.255
20510.37.102.0/2510.37.102.1 – 10.37.102.12610.37.102.127
20610.37.102.128/2510.37.102.129 – 10.37.102.25410.37.102.255
20710.37.103.0/2510.37.103.1 – 10.37.103.12610.37.103.127
20810.37.103.128/2510.37.103.129 – 10.37.103.25410.37.103.255
20910.37.104.0/2510.37.104.1 – 10.37.104.12610.37.104.127
21010.37.104.128/2510.37.104.129 – 10.37.104.25410.37.104.255
21110.37.105.0/2510.37.105.1 – 10.37.105.12610.37.105.127
21210.37.105.128/2510.37.105.129 – 10.37.105.25410.37.105.255
21310.37.106.0/2510.37.106.1 – 10.37.106.12610.37.106.127
21410.37.106.128/2510.37.106.129 – 10.37.106.25410.37.106.255
21510.37.107.0/2510.37.107.1 – 10.37.107.12610.37.107.127
21610.37.107.128/2510.37.107.129 – 10.37.107.25410.37.107.255
21710.37.108.0/2510.37.108.1 – 10.37.108.12610.37.108.127
21810.37.108.128/2510.37.108.129 – 10.37.108.25410.37.108.255
21910.37.109.0/2510.37.109.1 – 10.37.109.12610.37.109.127
22010.37.109.128/2510.37.109.129 – 10.37.109.25410.37.109.255
22110.37.110.0/2510.37.110.1 – 10.37.110.12610.37.110.127
22210.37.110.128/2510.37.110.129 – 10.37.110.25410.37.110.255
22310.37.111.0/2510.37.111.1 – 10.37.111.12610.37.111.127
22410.37.111.128/2510.37.111.129 – 10.37.111.25410.37.111.255
22510.37.112.0/2510.37.112.1 – 10.37.112.12610.37.112.127
22610.37.112.128/2510.37.112.129 – 10.37.112.25410.37.112.255
22710.37.113.0/2510.37.113.1 – 10.37.113.12610.37.113.127
22810.37.113.128/2510.37.113.129 – 10.37.113.25410.37.113.255
22910.37.114.0/2510.37.114.1 – 10.37.114.12610.37.114.127
23010.37.114.128/2510.37.114.129 – 10.37.114.25410.37.114.255
23110.37.115.0/2510.37.115.1 – 10.37.115.12610.37.115.127
23210.37.115.128/2510.37.115.129 – 10.37.115.25410.37.115.255
23310.37.116.0/2510.37.116.1 – 10.37.116.12610.37.116.127
23410.37.116.128/2510.37.116.129 – 10.37.116.25410.37.116.255
23510.37.117.0/2510.37.117.1 – 10.37.117.12610.37.117.127
23610.37.117.128/2510.37.117.129 – 10.37.117.25410.37.117.255
23710.37.118.0/2510.37.118.1 – 10.37.118.12610.37.118.127
23810.37.118.128/2510.37.118.129 – 10.37.118.25410.37.118.255
23910.37.119.0/2510.37.119.1 – 10.37.119.12610.37.119.127
24010.37.119.128/2510.37.119.129 – 10.37.119.25410.37.119.255
24110.37.120.0/2510.37.120.1 – 10.37.120.12610.37.120.127
24210.37.120.128/2510.37.120.129 – 10.37.120.25410.37.120.255
24310.37.121.0/2510.37.121.1 – 10.37.121.12610.37.121.127
24410.37.121.128/2510.37.121.129 – 10.37.121.25410.37.121.255
24510.37.122.0/2510.37.122.1 – 10.37.122.12610.37.122.127
24610.37.122.128/2510.37.122.129 – 10.37.122.25410.37.122.255
24710.37.123.0/2510.37.123.1 – 10.37.123.12610.37.123.127
24810.37.123.128/2510.37.123.129 – 10.37.123.25410.37.123.255
24910.37.124.0/2510.37.124.1 – 10.37.124.12610.37.124.127
25010.37.124.128/2510.37.124.129 – 10.37.124.25410.37.124.255
25110.37.125.0/2510.37.125.1 – 10.37.125.12610.37.125.127
25210.37.125.128/2510.37.125.129 – 10.37.125.25410.37.125.255
25310.37.126.0/2510.37.126.1 – 10.37.126.12610.37.126.127
25410.37.126.128/2510.37.126.129 – 10.37.126.25410.37.126.255
25510.37.127.0/2510.37.127.1 – 10.37.127.12610.37.127.127
25610.37.127.128/2510.37.127.129 – 10.37.127.25410.37.127.255
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 →