Hi,

You can download the subnet calculator from:

http://bosondownload.com/utils/bos_sub.exe

If you want an online website where you can do this use this:

http://www.subnet-calculator.com/

If you want to learn it yourself use this document:

http://www.xs4all.nl/~itbg077/studieavond/IP/IP-Summary.pdf

http://www.petri.co.il/subnetting_table.htm

and for small videos on subnetting :

http://www.learntosubnet.com/

If you find this post usefull

please don't forget to rate this

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#Iwan Hoogendoorn

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Step-by-step tutorial from http://www.ralphb.net/IPSubnet/ just select "Next" to go to next page.

Subnet calculator from Boson and other utilities http://www.boson.com/FreeUtilities.html

IP Subnet calculator from Cisco and other utilities if you have CCO Account http://www.cisco.com/en/US/support/tsd_tools_by_category.html