IPv4 Subnet Calculator Last updated on Sep 25, 2024 Use this tool to calculate IPv4 subnets. IP Subnet Calculator Enter IP Address in CIDR Format (e.g., 192.168.1.1/24): Calculate Results IP Address (Binary) Subnet Mask (Binary) Subnet Mask (Decimal) Network Address (Binary) Network Address (Decimal) Broadcast Address (Binary) Broadcast Address (Decimal) Number of Hosts Subnet Range Previous WinBox 4.0 is here Next Lab 6.1 - Calculating Subnets