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)10.59.149.0/25
network10.59.149.0/25
broadcast10.59.149.127
first host10.59.149.1
last host10.59.149.126
subnet mask255.255.255.128
wildcard0.0.0.127
addresses128
usable hosts126
classA
ipcalc 10.59.149.0/25
address00001010.00111011.10010101.00000000
subnet mask11111111.11111111.11111111.10000000
network00001010.00111011.10010101.00000000
broadcast00001010.00111011.10010101.01111111
green = network part, grey = host part
hex0x0a3b9500
decimal171676928
reverse dns0.149.59.10.in-addr.arpa
ipv4-mapped::ffff:a3b:9500

/25 split into /32 · 128 subnets

close ×
#networkhost rangebroadcast
110.59.149.0/3210.59.149.0 – 10.59.149.010.59.149.0
210.59.149.1/3210.59.149.1 – 10.59.149.110.59.149.1
310.59.149.2/3210.59.149.2 – 10.59.149.210.59.149.2
410.59.149.3/3210.59.149.3 – 10.59.149.310.59.149.3
510.59.149.4/3210.59.149.4 – 10.59.149.410.59.149.4
610.59.149.5/3210.59.149.5 – 10.59.149.510.59.149.5
710.59.149.6/3210.59.149.6 – 10.59.149.610.59.149.6
810.59.149.7/3210.59.149.7 – 10.59.149.710.59.149.7
910.59.149.8/3210.59.149.8 – 10.59.149.810.59.149.8
1010.59.149.9/3210.59.149.9 – 10.59.149.910.59.149.9
1110.59.149.10/3210.59.149.10 – 10.59.149.1010.59.149.10
1210.59.149.11/3210.59.149.11 – 10.59.149.1110.59.149.11
1310.59.149.12/3210.59.149.12 – 10.59.149.1210.59.149.12
1410.59.149.13/3210.59.149.13 – 10.59.149.1310.59.149.13
1510.59.149.14/3210.59.149.14 – 10.59.149.1410.59.149.14
1610.59.149.15/3210.59.149.15 – 10.59.149.1510.59.149.15
1710.59.149.16/3210.59.149.16 – 10.59.149.1610.59.149.16
1810.59.149.17/3210.59.149.17 – 10.59.149.1710.59.149.17
1910.59.149.18/3210.59.149.18 – 10.59.149.1810.59.149.18
2010.59.149.19/3210.59.149.19 – 10.59.149.1910.59.149.19
2110.59.149.20/3210.59.149.20 – 10.59.149.2010.59.149.20
2210.59.149.21/3210.59.149.21 – 10.59.149.2110.59.149.21
2310.59.149.22/3210.59.149.22 – 10.59.149.2210.59.149.22
2410.59.149.23/3210.59.149.23 – 10.59.149.2310.59.149.23
2510.59.149.24/3210.59.149.24 – 10.59.149.2410.59.149.24
2610.59.149.25/3210.59.149.25 – 10.59.149.2510.59.149.25
2710.59.149.26/3210.59.149.26 – 10.59.149.2610.59.149.26
2810.59.149.27/3210.59.149.27 – 10.59.149.2710.59.149.27
2910.59.149.28/3210.59.149.28 – 10.59.149.2810.59.149.28
3010.59.149.29/3210.59.149.29 – 10.59.149.2910.59.149.29
3110.59.149.30/3210.59.149.30 – 10.59.149.3010.59.149.30
3210.59.149.31/3210.59.149.31 – 10.59.149.3110.59.149.31
3310.59.149.32/3210.59.149.32 – 10.59.149.3210.59.149.32
3410.59.149.33/3210.59.149.33 – 10.59.149.3310.59.149.33
3510.59.149.34/3210.59.149.34 – 10.59.149.3410.59.149.34
3610.59.149.35/3210.59.149.35 – 10.59.149.3510.59.149.35
3710.59.149.36/3210.59.149.36 – 10.59.149.3610.59.149.36
3810.59.149.37/3210.59.149.37 – 10.59.149.3710.59.149.37
3910.59.149.38/3210.59.149.38 – 10.59.149.3810.59.149.38
4010.59.149.39/3210.59.149.39 – 10.59.149.3910.59.149.39
4110.59.149.40/3210.59.149.40 – 10.59.149.4010.59.149.40
4210.59.149.41/3210.59.149.41 – 10.59.149.4110.59.149.41
4310.59.149.42/3210.59.149.42 – 10.59.149.4210.59.149.42
4410.59.149.43/3210.59.149.43 – 10.59.149.4310.59.149.43
4510.59.149.44/3210.59.149.44 – 10.59.149.4410.59.149.44
4610.59.149.45/3210.59.149.45 – 10.59.149.4510.59.149.45
4710.59.149.46/3210.59.149.46 – 10.59.149.4610.59.149.46
4810.59.149.47/3210.59.149.47 – 10.59.149.4710.59.149.47
4910.59.149.48/3210.59.149.48 – 10.59.149.4810.59.149.48
5010.59.149.49/3210.59.149.49 – 10.59.149.4910.59.149.49
5110.59.149.50/3210.59.149.50 – 10.59.149.5010.59.149.50
5210.59.149.51/3210.59.149.51 – 10.59.149.5110.59.149.51
5310.59.149.52/3210.59.149.52 – 10.59.149.5210.59.149.52
5410.59.149.53/3210.59.149.53 – 10.59.149.5310.59.149.53
5510.59.149.54/3210.59.149.54 – 10.59.149.5410.59.149.54
5610.59.149.55/3210.59.149.55 – 10.59.149.5510.59.149.55
5710.59.149.56/3210.59.149.56 – 10.59.149.5610.59.149.56
5810.59.149.57/3210.59.149.57 – 10.59.149.5710.59.149.57
5910.59.149.58/3210.59.149.58 – 10.59.149.5810.59.149.58
6010.59.149.59/3210.59.149.59 – 10.59.149.5910.59.149.59
6110.59.149.60/3210.59.149.60 – 10.59.149.6010.59.149.60
6210.59.149.61/3210.59.149.61 – 10.59.149.6110.59.149.61
6310.59.149.62/3210.59.149.62 – 10.59.149.6210.59.149.62
6410.59.149.63/3210.59.149.63 – 10.59.149.6310.59.149.63
6510.59.149.64/3210.59.149.64 – 10.59.149.6410.59.149.64
6610.59.149.65/3210.59.149.65 – 10.59.149.6510.59.149.65
6710.59.149.66/3210.59.149.66 – 10.59.149.6610.59.149.66
6810.59.149.67/3210.59.149.67 – 10.59.149.6710.59.149.67
6910.59.149.68/3210.59.149.68 – 10.59.149.6810.59.149.68
7010.59.149.69/3210.59.149.69 – 10.59.149.6910.59.149.69
7110.59.149.70/3210.59.149.70 – 10.59.149.7010.59.149.70
7210.59.149.71/3210.59.149.71 – 10.59.149.7110.59.149.71
7310.59.149.72/3210.59.149.72 – 10.59.149.7210.59.149.72
7410.59.149.73/3210.59.149.73 – 10.59.149.7310.59.149.73
7510.59.149.74/3210.59.149.74 – 10.59.149.7410.59.149.74
7610.59.149.75/3210.59.149.75 – 10.59.149.7510.59.149.75
7710.59.149.76/3210.59.149.76 – 10.59.149.7610.59.149.76
7810.59.149.77/3210.59.149.77 – 10.59.149.7710.59.149.77
7910.59.149.78/3210.59.149.78 – 10.59.149.7810.59.149.78
8010.59.149.79/3210.59.149.79 – 10.59.149.7910.59.149.79
8110.59.149.80/3210.59.149.80 – 10.59.149.8010.59.149.80
8210.59.149.81/3210.59.149.81 – 10.59.149.8110.59.149.81
8310.59.149.82/3210.59.149.82 – 10.59.149.8210.59.149.82
8410.59.149.83/3210.59.149.83 – 10.59.149.8310.59.149.83
8510.59.149.84/3210.59.149.84 – 10.59.149.8410.59.149.84
8610.59.149.85/3210.59.149.85 – 10.59.149.8510.59.149.85
8710.59.149.86/3210.59.149.86 – 10.59.149.8610.59.149.86
8810.59.149.87/3210.59.149.87 – 10.59.149.8710.59.149.87
8910.59.149.88/3210.59.149.88 – 10.59.149.8810.59.149.88
9010.59.149.89/3210.59.149.89 – 10.59.149.8910.59.149.89
9110.59.149.90/3210.59.149.90 – 10.59.149.9010.59.149.90
9210.59.149.91/3210.59.149.91 – 10.59.149.9110.59.149.91
9310.59.149.92/3210.59.149.92 – 10.59.149.9210.59.149.92
9410.59.149.93/3210.59.149.93 – 10.59.149.9310.59.149.93
9510.59.149.94/3210.59.149.94 – 10.59.149.9410.59.149.94
9610.59.149.95/3210.59.149.95 – 10.59.149.9510.59.149.95
9710.59.149.96/3210.59.149.96 – 10.59.149.9610.59.149.96
9810.59.149.97/3210.59.149.97 – 10.59.149.9710.59.149.97
9910.59.149.98/3210.59.149.98 – 10.59.149.9810.59.149.98
10010.59.149.99/3210.59.149.99 – 10.59.149.9910.59.149.99
10110.59.149.100/3210.59.149.100 – 10.59.149.10010.59.149.100
10210.59.149.101/3210.59.149.101 – 10.59.149.10110.59.149.101
10310.59.149.102/3210.59.149.102 – 10.59.149.10210.59.149.102
10410.59.149.103/3210.59.149.103 – 10.59.149.10310.59.149.103
10510.59.149.104/3210.59.149.104 – 10.59.149.10410.59.149.104
10610.59.149.105/3210.59.149.105 – 10.59.149.10510.59.149.105
10710.59.149.106/3210.59.149.106 – 10.59.149.10610.59.149.106
10810.59.149.107/3210.59.149.107 – 10.59.149.10710.59.149.107
10910.59.149.108/3210.59.149.108 – 10.59.149.10810.59.149.108
11010.59.149.109/3210.59.149.109 – 10.59.149.10910.59.149.109
11110.59.149.110/3210.59.149.110 – 10.59.149.11010.59.149.110
11210.59.149.111/3210.59.149.111 – 10.59.149.11110.59.149.111
11310.59.149.112/3210.59.149.112 – 10.59.149.11210.59.149.112
11410.59.149.113/3210.59.149.113 – 10.59.149.11310.59.149.113
11510.59.149.114/3210.59.149.114 – 10.59.149.11410.59.149.114
11610.59.149.115/3210.59.149.115 – 10.59.149.11510.59.149.115
11710.59.149.116/3210.59.149.116 – 10.59.149.11610.59.149.116
11810.59.149.117/3210.59.149.117 – 10.59.149.11710.59.149.117
11910.59.149.118/3210.59.149.118 – 10.59.149.11810.59.149.118
12010.59.149.119/3210.59.149.119 – 10.59.149.11910.59.149.119
12110.59.149.120/3210.59.149.120 – 10.59.149.12010.59.149.120
12210.59.149.121/3210.59.149.121 – 10.59.149.12110.59.149.121
12310.59.149.122/3210.59.149.122 – 10.59.149.12210.59.149.122
12410.59.149.123/3210.59.149.123 – 10.59.149.12310.59.149.123
12510.59.149.124/3210.59.149.124 – 10.59.149.12410.59.149.124
12610.59.149.125/3210.59.149.125 – 10.59.149.12510.59.149.125
12710.59.149.126/3210.59.149.126 – 10.59.149.12610.59.149.126
12810.59.149.127/3210.59.149.127 – 10.59.149.12710.59.149.127
01 / table

IPv4 CIDR prefix table.

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

prefixsubnet maskaddresseshostsin your /25
/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-
/22255.255.252.01,0241,022-
/23255.255.254.0512510-
/24255.255.255.0256254-
/25255.255.255.1281281261
/26255.255.255.19264622 split →
/27255.255.255.22432304 split →
/28255.255.255.24016148 split →
/29255.255.255.2488616 split →
/30255.255.255.2524232 split →
/31255.255.255.2542264 split →
/32255.255.255.25511128 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 →