An IP address is a number identifying of a computer or another device on the Internet. It is similar to a mailing address, which identifies where postal mail comes from and where it should be delivered. IP addresses uniquely identify the source and destination of data transmitted with the Internet Protocol
Open source is a term used to describe a program or file that can be freely modified by anyone. Open source allows users or organizations (US spelling)) to adjust the program's functionality to perform for their specific needs. There are numerous open source licensing agreements a program or file may follow. Therefore, it is best to refer to the appropriate documentation to see what th original developer allows and prohibits.