I’ve been diving into the public and private IP addresses, as I could understand public IP addresses are assigned by Internet Service Providers, but I couldn’t understand how and by whom are private IP addresses assigned. I couldn’t understand as well what’s the purpose of private IP addresses.
Any help is appreciated. Thank you for helping me out.
In: Other
Imagine you work in a large office building.
Your public IP address is the street address of your building. Anyone in the world can send a package to that address because it uniquely identifies one place. The addressing scheme is owned by the post office because it has to make sense in a global scope.
Your private IP address is your office number within the building. It is meaningless to someone outside but useful within the building. The building owners are free to assign office numbers however they want.
Within the building, you can address a package to Bob in office 1234 and the mail room will get it to him. But outside the building, if you try to just mail a package to “office 1234” it will never arrive because there are many “office 1234″s in buildings around the world. Instead, an outside sender would address a package to the building and then the mail room would route it internally.
Latest Answers