Enter IP Address with CIDR Prefix
Quick examples
10.0.0.0/8
172.16.0.0/12
192.168.0.0/16
192.168.1.0/24
192.168.1.128/25
/32 host
0.0.0.0/0
2001:db8::/32
fc00::/7
::1/128
IPv4 Subnet Details
IPv4 Prefix Reference
| CIDR | Subnet Mask | Wildcard | Hosts | Class |
|---|
How to use
1
Enter an IPv4 or IPv6 address with CIDR prefix (e.g.,
192.168.1.0/24).2
Click Calculate or press Enter to see subnet details.
3
Use the Split panel to divide the network into smaller subnets.
4
Click any value to copy it to clipboard. Explore the binary breakdown for learning.