IP Subnet Calculator
Enter an address, choose the mask / prefix and hit calculate.
IPv4 Subnet Calculator
Network Class
Any
A
B
C
Subnet
255.255.255.252 /30
255.255.255.248 /29
255.255.255.240 /28
255.255.255.224 /27
255.255.255.192 /26
255.255.255.128 /25
255.255.255.0 /24
255.255.254.0 /23
255.255.252.0 /22
255.255.248.0 /21
255.255.240.0 /20
255.255.224.0 /19
255.255.192.0 /18
255.255.128.0 /17
255.255.0.0 /16
255.254.0.0 /15
255.252.0.0 /14
255.248.0.0 /13
255.240.0.0 /12
255.224.0.0 /11
255.192.0.0 /10
255.128.0.0 /9
255.0.0.0 /8
IP Address
Calculate
Clear
IPv6 Subnet Calculator
Prefix Length
/128
/120
/96
/80
/64
/56
/48
/32
/24
IP Address
Calculate
Clear