Jason Dobry 
A temporary IP address is usually referred to as a dynamic IP address, which is available for a specific amount of time for an Internet session.
A temporary IP address is usually referred to as a dynamic IP address, which is available for a specific amount of time for an Internet session. Dynamic IP address are stored in a pool of IP addresses and assigned randomly based on when a user requests one.
Internet service providers (ISPs) limit the number of static IP addresses they allocate because there are a limited number of 32-bit addresses available. IP Next Generation lengthens IP address to 128 bits, which significantly increases the number of IP address available. This increase will make it easier and less expensive to obtain static IP addresses.