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)10.3.164.0/22
network10.3.164.0/22
broadcast10.3.167.255
first host10.3.164.1
last host10.3.167.254
subnet mask255.255.252.0
wildcard0.0.3.255
addresses1,024
usable hosts1,022
classA
ipcalc 10.3.164.0/22
address00001010.00000011.10100100.00000000
subnet mask11111111.11111111.11111100.00000000
network00001010.00000011.10100100.00000000
broadcast00001010.00000011.10100111.11111111
green = network part, grey = host part
hex0x0a03a400
decimal168010752
reverse dns0.164.3.10.in-addr.arpa
ipv4-mapped::ffff:a03:a400

/22 split into /32 · 1,024 subnets

close ×
#networkhost rangebroadcast
110.3.164.0/3210.3.164.0 – 10.3.164.010.3.164.0
210.3.164.1/3210.3.164.1 – 10.3.164.110.3.164.1
310.3.164.2/3210.3.164.2 – 10.3.164.210.3.164.2
410.3.164.3/3210.3.164.3 – 10.3.164.310.3.164.3
510.3.164.4/3210.3.164.4 – 10.3.164.410.3.164.4
610.3.164.5/3210.3.164.5 – 10.3.164.510.3.164.5
710.3.164.6/3210.3.164.6 – 10.3.164.610.3.164.6
810.3.164.7/3210.3.164.7 – 10.3.164.710.3.164.7
910.3.164.8/3210.3.164.8 – 10.3.164.810.3.164.8
1010.3.164.9/3210.3.164.9 – 10.3.164.910.3.164.9
1110.3.164.10/3210.3.164.10 – 10.3.164.1010.3.164.10
1210.3.164.11/3210.3.164.11 – 10.3.164.1110.3.164.11
1310.3.164.12/3210.3.164.12 – 10.3.164.1210.3.164.12
1410.3.164.13/3210.3.164.13 – 10.3.164.1310.3.164.13
1510.3.164.14/3210.3.164.14 – 10.3.164.1410.3.164.14
1610.3.164.15/3210.3.164.15 – 10.3.164.1510.3.164.15
1710.3.164.16/3210.3.164.16 – 10.3.164.1610.3.164.16
1810.3.164.17/3210.3.164.17 – 10.3.164.1710.3.164.17
1910.3.164.18/3210.3.164.18 – 10.3.164.1810.3.164.18
2010.3.164.19/3210.3.164.19 – 10.3.164.1910.3.164.19
2110.3.164.20/3210.3.164.20 – 10.3.164.2010.3.164.20
2210.3.164.21/3210.3.164.21 – 10.3.164.2110.3.164.21
2310.3.164.22/3210.3.164.22 – 10.3.164.2210.3.164.22
2410.3.164.23/3210.3.164.23 – 10.3.164.2310.3.164.23
2510.3.164.24/3210.3.164.24 – 10.3.164.2410.3.164.24
2610.3.164.25/3210.3.164.25 – 10.3.164.2510.3.164.25
2710.3.164.26/3210.3.164.26 – 10.3.164.2610.3.164.26
2810.3.164.27/3210.3.164.27 – 10.3.164.2710.3.164.27
2910.3.164.28/3210.3.164.28 – 10.3.164.2810.3.164.28
3010.3.164.29/3210.3.164.29 – 10.3.164.2910.3.164.29
3110.3.164.30/3210.3.164.30 – 10.3.164.3010.3.164.30
3210.3.164.31/3210.3.164.31 – 10.3.164.3110.3.164.31
3310.3.164.32/3210.3.164.32 – 10.3.164.3210.3.164.32
3410.3.164.33/3210.3.164.33 – 10.3.164.3310.3.164.33
3510.3.164.34/3210.3.164.34 – 10.3.164.3410.3.164.34
3610.3.164.35/3210.3.164.35 – 10.3.164.3510.3.164.35
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3910.3.164.38/3210.3.164.38 – 10.3.164.3810.3.164.38
4010.3.164.39/3210.3.164.39 – 10.3.164.3910.3.164.39
4110.3.164.40/3210.3.164.40 – 10.3.164.4010.3.164.40
4210.3.164.41/3210.3.164.41 – 10.3.164.4110.3.164.41
4310.3.164.42/3210.3.164.42 – 10.3.164.4210.3.164.42
4410.3.164.43/3210.3.164.43 – 10.3.164.4310.3.164.43
4510.3.164.44/3210.3.164.44 – 10.3.164.4410.3.164.44
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4710.3.164.46/3210.3.164.46 – 10.3.164.4610.3.164.46
4810.3.164.47/3210.3.164.47 – 10.3.164.4710.3.164.47
4910.3.164.48/3210.3.164.48 – 10.3.164.4810.3.164.48
5010.3.164.49/3210.3.164.49 – 10.3.164.4910.3.164.49
5110.3.164.50/3210.3.164.50 – 10.3.164.5010.3.164.50
5210.3.164.51/3210.3.164.51 – 10.3.164.5110.3.164.51
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5410.3.164.53/3210.3.164.53 – 10.3.164.5310.3.164.53
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5610.3.164.55/3210.3.164.55 – 10.3.164.5510.3.164.55
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5910.3.164.58/3210.3.164.58 – 10.3.164.5810.3.164.58
6010.3.164.59/3210.3.164.59 – 10.3.164.5910.3.164.59
6110.3.164.60/3210.3.164.60 – 10.3.164.6010.3.164.60
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6810.3.164.67/3210.3.164.67 – 10.3.164.6710.3.164.67
6910.3.164.68/3210.3.164.68 – 10.3.164.6810.3.164.68
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7110.3.164.70/3210.3.164.70 – 10.3.164.7010.3.164.70
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7910.3.164.78/3210.3.164.78 – 10.3.164.7810.3.164.78
8010.3.164.79/3210.3.164.79 – 10.3.164.7910.3.164.79
8110.3.164.80/3210.3.164.80 – 10.3.164.8010.3.164.80
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8610.3.164.85/3210.3.164.85 – 10.3.164.8510.3.164.85
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8910.3.164.88/3210.3.164.88 – 10.3.164.8810.3.164.88
9010.3.164.89/3210.3.164.89 – 10.3.164.8910.3.164.89
9110.3.164.90/3210.3.164.90 – 10.3.164.9010.3.164.90
9210.3.164.91/3210.3.164.91 – 10.3.164.9110.3.164.91
9310.3.164.92/3210.3.164.92 – 10.3.164.9210.3.164.92
9410.3.164.93/3210.3.164.93 – 10.3.164.9310.3.164.93
9510.3.164.94/3210.3.164.94 – 10.3.164.9410.3.164.94
9610.3.164.95/3210.3.164.95 – 10.3.164.9510.3.164.95
9710.3.164.96/3210.3.164.96 – 10.3.164.9610.3.164.96
9810.3.164.97/3210.3.164.97 – 10.3.164.9710.3.164.97
9910.3.164.98/3210.3.164.98 – 10.3.164.9810.3.164.98
10010.3.164.99/3210.3.164.99 – 10.3.164.9910.3.164.99
10110.3.164.100/3210.3.164.100 – 10.3.164.10010.3.164.100
10210.3.164.101/3210.3.164.101 – 10.3.164.10110.3.164.101
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10410.3.164.103/3210.3.164.103 – 10.3.164.10310.3.164.103
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10610.3.164.105/3210.3.164.105 – 10.3.164.10510.3.164.105
10710.3.164.106/3210.3.164.106 – 10.3.164.10610.3.164.106
10810.3.164.107/3210.3.164.107 – 10.3.164.10710.3.164.107
10910.3.164.108/3210.3.164.108 – 10.3.164.10810.3.164.108
11010.3.164.109/3210.3.164.109 – 10.3.164.10910.3.164.109
11110.3.164.110/3210.3.164.110 – 10.3.164.11010.3.164.110
11210.3.164.111/3210.3.164.111 – 10.3.164.11110.3.164.111
11310.3.164.112/3210.3.164.112 – 10.3.164.11210.3.164.112
11410.3.164.113/3210.3.164.113 – 10.3.164.11310.3.164.113
11510.3.164.114/3210.3.164.114 – 10.3.164.11410.3.164.114
11610.3.164.115/3210.3.164.115 – 10.3.164.11510.3.164.115
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11810.3.164.117/3210.3.164.117 – 10.3.164.11710.3.164.117
11910.3.164.118/3210.3.164.118 – 10.3.164.11810.3.164.118
12010.3.164.119/3210.3.164.119 – 10.3.164.11910.3.164.119
12110.3.164.120/3210.3.164.120 – 10.3.164.12010.3.164.120
12210.3.164.121/3210.3.164.121 – 10.3.164.12110.3.164.121
12310.3.164.122/3210.3.164.122 – 10.3.164.12210.3.164.122
12410.3.164.123/3210.3.164.123 – 10.3.164.12310.3.164.123
12510.3.164.124/3210.3.164.124 – 10.3.164.12410.3.164.124
12610.3.164.125/3210.3.164.125 – 10.3.164.12510.3.164.125
12710.3.164.126/3210.3.164.126 – 10.3.164.12610.3.164.126
12810.3.164.127/3210.3.164.127 – 10.3.164.12710.3.164.127
12910.3.164.128/3210.3.164.128 – 10.3.164.12810.3.164.128
13010.3.164.129/3210.3.164.129 – 10.3.164.12910.3.164.129
13110.3.164.130/3210.3.164.130 – 10.3.164.13010.3.164.130
13210.3.164.131/3210.3.164.131 – 10.3.164.13110.3.164.131
13310.3.164.132/3210.3.164.132 – 10.3.164.13210.3.164.132
13410.3.164.133/3210.3.164.133 – 10.3.164.13310.3.164.133
13510.3.164.134/3210.3.164.134 – 10.3.164.13410.3.164.134
13610.3.164.135/3210.3.164.135 – 10.3.164.13510.3.164.135
13710.3.164.136/3210.3.164.136 – 10.3.164.13610.3.164.136
13810.3.164.137/3210.3.164.137 – 10.3.164.13710.3.164.137
13910.3.164.138/3210.3.164.138 – 10.3.164.13810.3.164.138
14010.3.164.139/3210.3.164.139 – 10.3.164.13910.3.164.139
14110.3.164.140/3210.3.164.140 – 10.3.164.14010.3.164.140
14210.3.164.141/3210.3.164.141 – 10.3.164.14110.3.164.141
14310.3.164.142/3210.3.164.142 – 10.3.164.14210.3.164.142
14410.3.164.143/3210.3.164.143 – 10.3.164.14310.3.164.143
14510.3.164.144/3210.3.164.144 – 10.3.164.14410.3.164.144
14610.3.164.145/3210.3.164.145 – 10.3.164.14510.3.164.145
14710.3.164.146/3210.3.164.146 – 10.3.164.14610.3.164.146
14810.3.164.147/3210.3.164.147 – 10.3.164.14710.3.164.147
14910.3.164.148/3210.3.164.148 – 10.3.164.14810.3.164.148
15010.3.164.149/3210.3.164.149 – 10.3.164.14910.3.164.149
15110.3.164.150/3210.3.164.150 – 10.3.164.15010.3.164.150
15210.3.164.151/3210.3.164.151 – 10.3.164.15110.3.164.151
15310.3.164.152/3210.3.164.152 – 10.3.164.15210.3.164.152
15410.3.164.153/3210.3.164.153 – 10.3.164.15310.3.164.153
15510.3.164.154/3210.3.164.154 – 10.3.164.15410.3.164.154
15610.3.164.155/3210.3.164.155 – 10.3.164.15510.3.164.155
15710.3.164.156/3210.3.164.156 – 10.3.164.15610.3.164.156
15810.3.164.157/3210.3.164.157 – 10.3.164.15710.3.164.157
15910.3.164.158/3210.3.164.158 – 10.3.164.15810.3.164.158
16010.3.164.159/3210.3.164.159 – 10.3.164.15910.3.164.159
16110.3.164.160/3210.3.164.160 – 10.3.164.16010.3.164.160
16210.3.164.161/3210.3.164.161 – 10.3.164.16110.3.164.161
16310.3.164.162/3210.3.164.162 – 10.3.164.16210.3.164.162
16410.3.164.163/3210.3.164.163 – 10.3.164.16310.3.164.163
16510.3.164.164/3210.3.164.164 – 10.3.164.16410.3.164.164
16610.3.164.165/3210.3.164.165 – 10.3.164.16510.3.164.165
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16810.3.164.167/3210.3.164.167 – 10.3.164.16710.3.164.167
16910.3.164.168/3210.3.164.168 – 10.3.164.16810.3.164.168
17010.3.164.169/3210.3.164.169 – 10.3.164.16910.3.164.169
17110.3.164.170/3210.3.164.170 – 10.3.164.17010.3.164.170
17210.3.164.171/3210.3.164.171 – 10.3.164.17110.3.164.171
17310.3.164.172/3210.3.164.172 – 10.3.164.17210.3.164.172
17410.3.164.173/3210.3.164.173 – 10.3.164.17310.3.164.173
17510.3.164.174/3210.3.164.174 – 10.3.164.17410.3.164.174
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21910.3.164.218/3210.3.164.218 – 10.3.164.21810.3.164.218
22010.3.164.219/3210.3.164.219 – 10.3.164.21910.3.164.219
22110.3.164.220/3210.3.164.220 – 10.3.164.22010.3.164.220
22210.3.164.221/3210.3.164.221 – 10.3.164.22110.3.164.221
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22910.3.164.228/3210.3.164.228 – 10.3.164.22810.3.164.228
23010.3.164.229/3210.3.164.229 – 10.3.164.22910.3.164.229
23110.3.164.230/3210.3.164.230 – 10.3.164.23010.3.164.230
23210.3.164.231/3210.3.164.231 – 10.3.164.23110.3.164.231
23310.3.164.232/3210.3.164.232 – 10.3.164.23210.3.164.232
23410.3.164.233/3210.3.164.233 – 10.3.164.23310.3.164.233
23510.3.164.234/3210.3.164.234 – 10.3.164.23410.3.164.234
23610.3.164.235/3210.3.164.235 – 10.3.164.23510.3.164.235
23710.3.164.236/3210.3.164.236 – 10.3.164.23610.3.164.236
23810.3.164.237/3210.3.164.237 – 10.3.164.23710.3.164.237
23910.3.164.238/3210.3.164.238 – 10.3.164.23810.3.164.238
24010.3.164.239/3210.3.164.239 – 10.3.164.23910.3.164.239
24110.3.164.240/3210.3.164.240 – 10.3.164.24010.3.164.240
24210.3.164.241/3210.3.164.241 – 10.3.164.24110.3.164.241
24310.3.164.242/3210.3.164.242 – 10.3.164.24210.3.164.242
24410.3.164.243/3210.3.164.243 – 10.3.164.24310.3.164.243
24510.3.164.244/3210.3.164.244 – 10.3.164.24410.3.164.244
24610.3.164.245/3210.3.164.245 – 10.3.164.24510.3.164.245
24710.3.164.246/3210.3.164.246 – 10.3.164.24610.3.164.246
24810.3.164.247/3210.3.164.247 – 10.3.164.24710.3.164.247
24910.3.164.248/3210.3.164.248 – 10.3.164.24810.3.164.248
25010.3.164.249/3210.3.164.249 – 10.3.164.24910.3.164.249
25110.3.164.250/3210.3.164.250 – 10.3.164.25010.3.164.250
25210.3.164.251/3210.3.164.251 – 10.3.164.25110.3.164.251
25310.3.164.252/3210.3.164.252 – 10.3.164.25210.3.164.252
25410.3.164.253/3210.3.164.253 – 10.3.164.25310.3.164.253
25510.3.164.254/3210.3.164.254 – 10.3.164.25410.3.164.254
25610.3.164.255/3210.3.164.255 – 10.3.164.25510.3.164.255

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 /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 →