Write an article based on this "Download the "Ping" app. Open Ping. Tap the address bar. Enter a website's address. Tap Ping. Note the website's IP address."
It's free in the iPhone's App Store. To do so:  Open the {"smallUrl":"https:\/\/www.wikihow.com\/images\/5\/55\/Iphoneappstoreicon.png","bigUrl":"\/images\/thumb\/5\/55\/Iphoneappstoreicon.png\/30px-Iphoneappstoreicon.png","smallWidth":460,"smallHeight":460,"bigWidth":"30","bigHeight":"30","licensing":"<div class=\"mw-parser-output\"><p>I edited this screenshot of an iOS icon.\n<\/p><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"http:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a><br>\n<\/p><\/div>"} App Store app. Tap Search  Tap the search bar  Type in ping  Tap Search  Tap GET next to "Ping - network utility" Enter your password when prompted. Tap OPEN next to the Ping app icon, or tap the Ping app icon on one of your iPhone's home screens. It's a green >_ on a black background. It's at the top of the screen. Type in the address for a website (e.g., "google.com") without including the "www." section. You'll find this in the top-right corner of the screen. You'll see it appearing once every second or so on the screen. The IP address will continue to appear in one-second intervals until you cancel the ping.  You can tap Stop in the top-right corner of the screen to cancel the ping. Keep in mind that you're most likely looking at the website's public IP address. You usually won't be able to see the website's private servers' IP address.