NetCalc
IP Address:
Subnet Mask:
255.255.255.255/32
255.255.255.254/31
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
Calculate Network
How to calculate Network Subnet?
