VLSM Calculator - VLSM CIDR Subnet Calculator - Subnet Mask Calculator - Subnet Calculator - IP Subnet Calculator - Online Subnet Calculator

Step 1: Enter your Address Block Address and mask: (example:

Step 2: Add Networks: Enter the number of addresses you will need in each network, after applying the scalability percentage. After entering the number for each network, click add or press Enter to add another network.
(example: You need 1 network with 50 addresses, 1 network with 217 addresses and 1 point-to-point
link. Simply type 50 [Enter] 217 [Enter] 2 [Enter])


Networks Added:

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

CCNA Answers