You may require the IP address of your iDevice, suppose when you want SSH into iPhone. The process to find IP address on iPhone, iPod touch or iPad is quite simple, so just follow the steps below to do so.
How to Renew IP Address on Mac
How to Renew IP Address on Windows
Find IP Address on iPhone, iPod Touch or iPad
Tap on “Settings” icon on Springboard
Tap on your wireless network name and then tap on arrow headed circle followed by it
Here you can see “IP address” of your iDevice under “DHCP” tab