Public IP Address-Private IP Address

Question

How can we know which is the Public IP Address and which is Private IP Address?

Answer 1

Well, there is no authentic difference between such addresses except for fact that a collection of address are reserved for private use and can be employed by anyone to use locally on their network. Different, the Public IP Address are allocated by your ISP and normally comes at cost (Home users might not pay for this however are hidden in your Internet charges). Additional Public Address can be bought, in other terms, leased from the ISPs to host servers of your own on Internet.