IPv4 IPv6

Visual IPv4 Subnet Calculator

Interactive network subnetting tool with visual hierarchy

Show Columns:
Subnet Address Netmask Range Start Range End Useable Start Useable End Hosts Description Actions & Enable Join
Keyboard Shortcuts:
Enter - Divide focused subnet
Escape - Join focused subnet with its sibling
C - Copy markdown table
I - Toggle IaC dropdown
? - Toggle this help