IP Subnet Calculator
Enter an IPv4 address with a CIDR prefix (e.g. 192.168.1.10/24) to get the network and broadcast addresses, the usable host range, the subnet mask and wildcard, and the number of usable hosts. Runs entirely in your browser.
Enter an IPv4 address with a CIDR prefix (e.g. 192.168.1.10/24) to get the network and broadcast addresses, the usable host range, the subnet mask and wildcard, and the number of usable hosts. Runs entirely in your browser.