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Home | IP Addressing | Subnetting by the Numbers | Paper Calculator
NAT | CIDR | IP Calculator | VLSM

Quick-VLSM Calculator Version 1.5
Created By Louis Chanady, 2006

A web browser based calculator written in HTML and JavaScript that will calculate the Variable Length Subnet Masking for your network. Simply enter your CIDR block address/mask and the number of addresses you need in each network, and it does the rest.

Click HERE to open.

Click HERE to download it.