Answer:IP is internet protocol, every router has one some routers are dynamic which means they change everything the router reboots and some routers are static which means you would have to call your isp(Internet Service Provider) to get it changed.
Explanation: I do illegal things :)
Answer: four different types
There are four different types of IPv4 addresses: public, private, static, and dynamic. While the public and private are indicative of the location of the network—private being used inside a network while the public is used outside of a network—static and dynamic indicate permanency.
