IPv4/v6 CIDR Calculator

This app provides a networking utility for calculating CIDR subnets on IPv4 or IPv6 addresses. CIDR calculator computes the following for given IPv4 or IPv6 address and prefix length 1) Network Address. 2) Broadcast Address. 3) Netmask. 4) Hostmask. 5) Number of Hosts. 6) Host Range Start. 7) Host Range End.