CIDR / Subnet Calculator

Enter an IPv4 CIDR block and see the network address, broadcast, netmask, wildcard, usable host range, and total hosts.

Input

Example: 10.0.0.0/16, 172.16.5.10/22

Result

CIDR-
Netmask-
Wildcard-
Network-
Broadcast-
First Usable-
Last Usable-
Total Hosts-
Usable Hosts-
Binary Mask-