Anyone to get me into this topic i want to get to know these.
Here is article about how to hide IP address.
I hope that it was useful for you.
What would you like to know about IP and Subnetting? Anything specific?
If you just need a simple introduction, there is a lot of information online, although if you want some detailed information, you should pick up a book on TCP/IP.
Here is something to start with:Introduction to IP AddressingCIDR and Subnetting
Here is a tool you can use to subnet IPsIP Subnet Calculator