🌐 IP Subnet Calculator

Calculate subnet details from an IP address and CIDR prefix. Get network address, broadcast, host range, and subnet mask.

Common CIDR Prefixes
/32255.255.255.2551 hostLoopback/Host
/30255.255.255.2522 hostsPoint-to-point
/29255.255.255.2486 hostsSmall LAN
/28255.255.255.24014 hostsSmall office
/24255.255.255.0254 hostsClass C network
/16255.255.0.065,534 hostsClass B network
/8255.0.0.016,777,214 hostsClass A network