When a DHCP “lease” runs out, the computer or device may grab another available DHCP IP address. The trouble with DHCP addresses is that they are dynamic. Most networks are set to give out these dynamic IP addresses to any device that gets on the network and says, “I’m here! Give me an IP address so that I can use Google!” Computers usually have the ability to grab a Dynamic Host Configuration Protocol (DHCP) address by default.
Here’s a little primer on static Internet Protocol (IP) Addresses.
