to access the internet our devices are connected to a Wi-Fi router or cellular data via cell towers these routers and cell towers are connected with the data centers with the help of a vast network of optical fiber cables now a question arises here how do these optical fiber cables transfer data to understand it clearly we need to understand the important concept of IP address an IP address is a unique string of numbers provided to each and every device whether it's a mobile phone a router or a computer the purpose of the IP address is to
create a unique identification for the device which is connected with millions of other devices over the Internet the IP address is assigned to our devices by the internet service providers or isps and it ensures that all the information reaches us whenever we need it