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)10.3.196.0/22
network10.3.196.0/22
broadcast10.3.199.255
first host10.3.196.1
last host10.3.199.254
subnet mask255.255.252.0
wildcard0.0.3.255
addresses1,024
usable hosts1,022
classA
ipcalc 10.3.196.0/22
address00001010.00000011.11000100.00000000
subnet mask11111111.11111111.11111100.00000000
network00001010.00000011.11000100.00000000
broadcast00001010.00000011.11000111.11111111
green = network part, grey = host part
hex0x0a03c400
decimal168018944
reverse dns0.196.3.10.in-addr.arpa
ipv4-mapped::ffff:a03:c400

/22 split into /31 · 512 subnets

close ×
#networkhost rangebroadcast
110.3.196.0/3110.3.196.0 – 10.3.196.110.3.196.1
210.3.196.2/3110.3.196.2 – 10.3.196.310.3.196.3
310.3.196.4/3110.3.196.4 – 10.3.196.510.3.196.5
410.3.196.6/3110.3.196.6 – 10.3.196.710.3.196.7
510.3.196.8/3110.3.196.8 – 10.3.196.910.3.196.9
610.3.196.10/3110.3.196.10 – 10.3.196.1110.3.196.11
710.3.196.12/3110.3.196.12 – 10.3.196.1310.3.196.13
810.3.196.14/3110.3.196.14 – 10.3.196.1510.3.196.15
910.3.196.16/3110.3.196.16 – 10.3.196.1710.3.196.17
1010.3.196.18/3110.3.196.18 – 10.3.196.1910.3.196.19
1110.3.196.20/3110.3.196.20 – 10.3.196.2110.3.196.21
1210.3.196.22/3110.3.196.22 – 10.3.196.2310.3.196.23
1310.3.196.24/3110.3.196.24 – 10.3.196.2510.3.196.25
1410.3.196.26/3110.3.196.26 – 10.3.196.2710.3.196.27
1510.3.196.28/3110.3.196.28 – 10.3.196.2910.3.196.29
1610.3.196.30/3110.3.196.30 – 10.3.196.3110.3.196.31
1710.3.196.32/3110.3.196.32 – 10.3.196.3310.3.196.33
1810.3.196.34/3110.3.196.34 – 10.3.196.3510.3.196.35
1910.3.196.36/3110.3.196.36 – 10.3.196.3710.3.196.37
2010.3.196.38/3110.3.196.38 – 10.3.196.3910.3.196.39
2110.3.196.40/3110.3.196.40 – 10.3.196.4110.3.196.41
2210.3.196.42/3110.3.196.42 – 10.3.196.4310.3.196.43
2310.3.196.44/3110.3.196.44 – 10.3.196.4510.3.196.45
2410.3.196.46/3110.3.196.46 – 10.3.196.4710.3.196.47
2510.3.196.48/3110.3.196.48 – 10.3.196.4910.3.196.49
2610.3.196.50/3110.3.196.50 – 10.3.196.5110.3.196.51
2710.3.196.52/3110.3.196.52 – 10.3.196.5310.3.196.53
2810.3.196.54/3110.3.196.54 – 10.3.196.5510.3.196.55
2910.3.196.56/3110.3.196.56 – 10.3.196.5710.3.196.57
3010.3.196.58/3110.3.196.58 – 10.3.196.5910.3.196.59
3110.3.196.60/3110.3.196.60 – 10.3.196.6110.3.196.61
3210.3.196.62/3110.3.196.62 – 10.3.196.6310.3.196.63
3310.3.196.64/3110.3.196.64 – 10.3.196.6510.3.196.65
3410.3.196.66/3110.3.196.66 – 10.3.196.6710.3.196.67
3510.3.196.68/3110.3.196.68 – 10.3.196.6910.3.196.69
3610.3.196.70/3110.3.196.70 – 10.3.196.7110.3.196.71
3710.3.196.72/3110.3.196.72 – 10.3.196.7310.3.196.73
3810.3.196.74/3110.3.196.74 – 10.3.196.7510.3.196.75
3910.3.196.76/3110.3.196.76 – 10.3.196.7710.3.196.77
4010.3.196.78/3110.3.196.78 – 10.3.196.7910.3.196.79
4110.3.196.80/3110.3.196.80 – 10.3.196.8110.3.196.81
4210.3.196.82/3110.3.196.82 – 10.3.196.8310.3.196.83
4310.3.196.84/3110.3.196.84 – 10.3.196.8510.3.196.85
4410.3.196.86/3110.3.196.86 – 10.3.196.8710.3.196.87
4510.3.196.88/3110.3.196.88 – 10.3.196.8910.3.196.89
4610.3.196.90/3110.3.196.90 – 10.3.196.9110.3.196.91
4710.3.196.92/3110.3.196.92 – 10.3.196.9310.3.196.93
4810.3.196.94/3110.3.196.94 – 10.3.196.9510.3.196.95
4910.3.196.96/3110.3.196.96 – 10.3.196.9710.3.196.97
5010.3.196.98/3110.3.196.98 – 10.3.196.9910.3.196.99
5110.3.196.100/3110.3.196.100 – 10.3.196.10110.3.196.101
5210.3.196.102/3110.3.196.102 – 10.3.196.10310.3.196.103
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5410.3.196.106/3110.3.196.106 – 10.3.196.10710.3.196.107
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5610.3.196.110/3110.3.196.110 – 10.3.196.11110.3.196.111
5710.3.196.112/3110.3.196.112 – 10.3.196.11310.3.196.113
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6010.3.196.118/3110.3.196.118 – 10.3.196.11910.3.196.119
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7710.3.196.152/3110.3.196.152 – 10.3.196.15310.3.196.153
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8110.3.196.160/3110.3.196.160 – 10.3.196.16110.3.196.161
8210.3.196.162/3110.3.196.162 – 10.3.196.16310.3.196.163
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8710.3.196.172/3110.3.196.172 – 10.3.196.17310.3.196.173
8810.3.196.174/3110.3.196.174 – 10.3.196.17510.3.196.175
8910.3.196.176/3110.3.196.176 – 10.3.196.17710.3.196.177
9010.3.196.178/3110.3.196.178 – 10.3.196.17910.3.196.179
9110.3.196.180/3110.3.196.180 – 10.3.196.18110.3.196.181
9210.3.196.182/3110.3.196.182 – 10.3.196.18310.3.196.183
9310.3.196.184/3110.3.196.184 – 10.3.196.18510.3.196.185
9410.3.196.186/3110.3.196.186 – 10.3.196.18710.3.196.187
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9610.3.196.190/3110.3.196.190 – 10.3.196.19110.3.196.191
9710.3.196.192/3110.3.196.192 – 10.3.196.19310.3.196.193
9810.3.196.194/3110.3.196.194 – 10.3.196.19510.3.196.195
9910.3.196.196/3110.3.196.196 – 10.3.196.19710.3.196.197
10010.3.196.198/3110.3.196.198 – 10.3.196.19910.3.196.199
10110.3.196.200/3110.3.196.200 – 10.3.196.20110.3.196.201
10210.3.196.202/3110.3.196.202 – 10.3.196.20310.3.196.203
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10410.3.196.206/3110.3.196.206 – 10.3.196.20710.3.196.207
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10710.3.196.212/3110.3.196.212 – 10.3.196.21310.3.196.213
10810.3.196.214/3110.3.196.214 – 10.3.196.21510.3.196.215
10910.3.196.216/3110.3.196.216 – 10.3.196.21710.3.196.217
11010.3.196.218/3110.3.196.218 – 10.3.196.21910.3.196.219
11110.3.196.220/3110.3.196.220 – 10.3.196.22110.3.196.221
11210.3.196.222/3110.3.196.222 – 10.3.196.22310.3.196.223
11310.3.196.224/3110.3.196.224 – 10.3.196.22510.3.196.225
11410.3.196.226/3110.3.196.226 – 10.3.196.22710.3.196.227
11510.3.196.228/3110.3.196.228 – 10.3.196.22910.3.196.229
11610.3.196.230/3110.3.196.230 – 10.3.196.23110.3.196.231
11710.3.196.232/3110.3.196.232 – 10.3.196.23310.3.196.233
11810.3.196.234/3110.3.196.234 – 10.3.196.23510.3.196.235
11910.3.196.236/3110.3.196.236 – 10.3.196.23710.3.196.237
12010.3.196.238/3110.3.196.238 – 10.3.196.23910.3.196.239
12110.3.196.240/3110.3.196.240 – 10.3.196.24110.3.196.241
12210.3.196.242/3110.3.196.242 – 10.3.196.24310.3.196.243
12310.3.196.244/3110.3.196.244 – 10.3.196.24510.3.196.245
12410.3.196.246/3110.3.196.246 – 10.3.196.24710.3.196.247
12510.3.196.248/3110.3.196.248 – 10.3.196.24910.3.196.249
12610.3.196.250/3110.3.196.250 – 10.3.196.25110.3.196.251
12710.3.196.252/3110.3.196.252 – 10.3.196.25310.3.196.253
12810.3.196.254/3110.3.196.254 – 10.3.196.25510.3.196.255
12910.3.197.0/3110.3.197.0 – 10.3.197.110.3.197.1
13010.3.197.2/3110.3.197.2 – 10.3.197.310.3.197.3
13110.3.197.4/3110.3.197.4 – 10.3.197.510.3.197.5
13210.3.197.6/3110.3.197.6 – 10.3.197.710.3.197.7
13310.3.197.8/3110.3.197.8 – 10.3.197.910.3.197.9
13410.3.197.10/3110.3.197.10 – 10.3.197.1110.3.197.11
13510.3.197.12/3110.3.197.12 – 10.3.197.1310.3.197.13
13610.3.197.14/3110.3.197.14 – 10.3.197.1510.3.197.15
13710.3.197.16/3110.3.197.16 – 10.3.197.1710.3.197.17
13810.3.197.18/3110.3.197.18 – 10.3.197.1910.3.197.19
13910.3.197.20/3110.3.197.20 – 10.3.197.2110.3.197.21
14010.3.197.22/3110.3.197.22 – 10.3.197.2310.3.197.23
14110.3.197.24/3110.3.197.24 – 10.3.197.2510.3.197.25
14210.3.197.26/3110.3.197.26 – 10.3.197.2710.3.197.27
14310.3.197.28/3110.3.197.28 – 10.3.197.2910.3.197.29
14410.3.197.30/3110.3.197.30 – 10.3.197.3110.3.197.31
14510.3.197.32/3110.3.197.32 – 10.3.197.3310.3.197.33
14610.3.197.34/3110.3.197.34 – 10.3.197.3510.3.197.35
14710.3.197.36/3110.3.197.36 – 10.3.197.3710.3.197.37
14810.3.197.38/3110.3.197.38 – 10.3.197.3910.3.197.39
14910.3.197.40/3110.3.197.40 – 10.3.197.4110.3.197.41
15010.3.197.42/3110.3.197.42 – 10.3.197.4310.3.197.43
15110.3.197.44/3110.3.197.44 – 10.3.197.4510.3.197.45
15210.3.197.46/3110.3.197.46 – 10.3.197.4710.3.197.47
15310.3.197.48/3110.3.197.48 – 10.3.197.4910.3.197.49
15410.3.197.50/3110.3.197.50 – 10.3.197.5110.3.197.51
15510.3.197.52/3110.3.197.52 – 10.3.197.5310.3.197.53
15610.3.197.54/3110.3.197.54 – 10.3.197.5510.3.197.55
15710.3.197.56/3110.3.197.56 – 10.3.197.5710.3.197.57
15810.3.197.58/3110.3.197.58 – 10.3.197.5910.3.197.59
15910.3.197.60/3110.3.197.60 – 10.3.197.6110.3.197.61
16010.3.197.62/3110.3.197.62 – 10.3.197.6310.3.197.63
16110.3.197.64/3110.3.197.64 – 10.3.197.6510.3.197.65
16210.3.197.66/3110.3.197.66 – 10.3.197.6710.3.197.67
16310.3.197.68/3110.3.197.68 – 10.3.197.6910.3.197.69
16410.3.197.70/3110.3.197.70 – 10.3.197.7110.3.197.71
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16910.3.197.80/3110.3.197.80 – 10.3.197.8110.3.197.81
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17110.3.197.84/3110.3.197.84 – 10.3.197.8510.3.197.85
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22910.3.197.200/3110.3.197.200 – 10.3.197.20110.3.197.201
23010.3.197.202/3110.3.197.202 – 10.3.197.20310.3.197.203
23110.3.197.204/3110.3.197.204 – 10.3.197.20510.3.197.205
23210.3.197.206/3110.3.197.206 – 10.3.197.20710.3.197.207
23310.3.197.208/3110.3.197.208 – 10.3.197.20910.3.197.209
23410.3.197.210/3110.3.197.210 – 10.3.197.21110.3.197.211
23510.3.197.212/3110.3.197.212 – 10.3.197.21310.3.197.213
23610.3.197.214/3110.3.197.214 – 10.3.197.21510.3.197.215
23710.3.197.216/3110.3.197.216 – 10.3.197.21710.3.197.217
23810.3.197.218/3110.3.197.218 – 10.3.197.21910.3.197.219
23910.3.197.220/3110.3.197.220 – 10.3.197.22110.3.197.221
24010.3.197.222/3110.3.197.222 – 10.3.197.22310.3.197.223
24110.3.197.224/3110.3.197.224 – 10.3.197.22510.3.197.225
24210.3.197.226/3110.3.197.226 – 10.3.197.22710.3.197.227
24310.3.197.228/3110.3.197.228 – 10.3.197.22910.3.197.229
24410.3.197.230/3110.3.197.230 – 10.3.197.23110.3.197.231
24510.3.197.232/3110.3.197.232 – 10.3.197.23310.3.197.233
24610.3.197.234/3110.3.197.234 – 10.3.197.23510.3.197.235
24710.3.197.236/3110.3.197.236 – 10.3.197.23710.3.197.237
24810.3.197.238/3110.3.197.238 – 10.3.197.23910.3.197.239
24910.3.197.240/3110.3.197.240 – 10.3.197.24110.3.197.241
25010.3.197.242/3110.3.197.242 – 10.3.197.24310.3.197.243
25110.3.197.244/3110.3.197.244 – 10.3.197.24510.3.197.245
25210.3.197.246/3110.3.197.246 – 10.3.197.24710.3.197.247
25310.3.197.248/3110.3.197.248 – 10.3.197.24910.3.197.249
25410.3.197.250/3110.3.197.250 – 10.3.197.25110.3.197.251
25510.3.197.252/3110.3.197.252 – 10.3.197.25310.3.197.253
25610.3.197.254/3110.3.197.254 – 10.3.197.25510.3.197.255

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 /22
/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-
/21255.255.248.02,0482,046-
/22255.255.252.01,0241,0221
/23255.255.254.05125102 split →
/24255.255.255.02562544 split →
/25255.255.255.1281281268 split →
/26255.255.255.192646216 split →
/27255.255.255.224323032 split →
/28255.255.255.240161464 split →
/29255.255.255.24886128 split →
/30255.255.255.25242256 split →
/31255.255.255.25422512 split →
/32255.255.255.255111,024 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 →