I was wondering about how do modern mobile phones get their ip. Have they all the same mechanis or are different for each isp? Do mobiles have static ip or it changes? How do companies identify mobile phones and smartphones over the internet?


With little exception. They all use DHCP. They know whom is a (their) customer, and which customer; By their MAC address.

The same is usually also true for ISPs, as well.

Not the answer you're looking for? Browse other questions tagged or ask your own question.