Subnet Calculator

IP Address in Range Checker

Check if an IP address is within the calculated subnet range

Check

Subnet Splitting Tool

Split your subnet into smaller, equal-sized subnets

Number of Additional Bits: 1 bit (2 subnets) 2 bits (4 subnets) 3 bits (8 subnets) 4 bits (16 subnets) 5 bits (32 subnets) 6 bits (64 subnets) 7 bits (128 subnets) 8 bits (256 subnets)

Split Subnet

Subnet Network Address Broadcast Address Usable Range

Variable Length Subnet Mask (VLSM) Calculator

Calculate subnets with different prefix lengths based on host requirements

+ Add Network Clear

✕

Calculate VLSM

Network Visualization

Visual representation of your network and subnet allocations