IP Subnet Calculator
This page will calculate all valid subnets and ranges from an IP address you give.
Output from Calculator
All subnets for 10.0.0.0 are:
CIDR block
IP range (network - broadcast)
Subnet Mask
IP Quantity
10.0.0.0/32
10.0.0.0 - 10.0.0.0
255.255.255.255
1
10.0.0.0/31
10.0.0.0 - 10.0.0.1
255.255.255.254
2
10.0.0.0/30
10.0.0.0 - 10.0.0.3
255.255.255.252
4
10.0.0.0/29
10.0.0.0 - 10.0.0.7
255.255.255.248
8
10.0.0.0/28
10.0.0.0 - 10.0.0.15
255.255.255.240
16
10.0.0.0/27
10.0.0.0 - 10.0.0.31
255.255.255.224
32
10.0.0.0/26
10.0.0.0 - 10.0.0.63
255.255.255.192
64
10.0.0.0/25
10.0.0.0 - 10.0.0.127
255.255.255.128
128
10.0.0.0/24
10.0.0.0 - 10.0.0.255
255.255.255.0
256
10.0.0.0/23
10.0.0.0 - 10.0.1.255
255.255.254.0
512
10.0.0.0/22
10.0.0.0 - 10.0.3.255
255.255.252.0
1024
10.0.0.0/21
10.0.0.0 - 10.0.7.255
255.255.248.0
2048
10.0.0.0/20
10.0.0.0 - 10.0.15.255
255.255.240.0
4096
10.0.0.0/19
10.0.0.0 - 10.0.31.255
255.255.224.0
8192
10.0.0.0/18
10.0.0.0 - 10.0.63.255
255.255.192.0
16384
10.0.0.0/17
10.0.0.0 - 10.0.127.255
255.255.128.0
32768
10.0.0.0/16
10.0.0.0 - 10.0.255.255
255.255.0.0
65536
10.0.0.0/15
10.0.0.0 - 10.1.255.255
255.254.0.0
131072
10.0.0.0/14
10.0.0.0 - 10.3.255.255
255.252.0.0
262144
10.0.0.0/13
10.0.0.0 - 10.7.255.255
255.248.0.0
524288
10.0.0.0/12
10.0.0.0 - 10.15.255.255
255.240.0.0
1048576
10.0.0.0/11
10.0.0.0 - 10.31.255.255
255.224.0.0
2097152
10.0.0.0/10
10.0.0.0 - 10.63.255.255
255.192.0.0
4194304
10.0.0.0/9
10.0.0.0 - 10.127.255.255
255.128.0.0
8388608
10.0.0.0/8
10.0.0.0 - 10.255.255.255
255.0.0.0
16777216
10.0.0.0/7
10.0.0.0 - 11.255.255.255
254.0.0.0
33554432
8.0.0.0/6
8.0.0.0 - 11.255.255.255
252.0.0.0
67108864
8.0.0.0/5
8.0.0.0 - 15.255.255.255
248.0.0.0
134217728
0.0.0.0/4
0.0.0.0 - 15.255.255.255
240.0.0.0
268435456
0.0.0.0/3
0.0.0.0 - 31.255.255.255
224.0.0.0
536870912
0.0.0.0/2
0.0.0.0 - 63.255.255.255
192.0.0.0
1073741824
0.0.0.0/1
0.0.0.0 - 127.255.255.255
128.0.0.0
2147483648
0.0.0.0/0
0.0.0.0 - 255.255.255.255
0.0.0.0
4294967296