Features:
CIDR Calculator
- IPv4 and IPv6 Calculator

Subnet Calculator / VLSM Calculator
- Get complete Network Configuration with Assignable IP Range, Subnet Mask, Network Address and Broadcast Address for each Subnet
- Uses VLSM algorithm

CIDR / VLSM Practice
- CIDR and VLSM practice module
- Test your answers and learn subnetting

CIDR / VLSM Tutorial
- Learn easy and quickest way to do Subnetting
- Well explained tutorial with practical examples