Home > Uncategorized > What IP address does Google AppEngine make requests from?

What IP address does Google AppEngine make requests from?

If you make a HTTP request from an AppEngine App, you will find that the IP address is different from the IP address of the URL the app is hosted on.

Here is a trick, host a proxy on your AppEngine Account, (see http://www.labnol.org/internet/setup-proxy-server/12890/ for steps), then make a request to http://whatismyipaddress.com/ via the proxy, like this:

https://mirrorrr.appspot.com/whatismyipaddress.com

And you get this response:

IP Information: 74.125.75.4
ISP: Google
Organization: Google
Proxy: Network Sharing Device
City: New York
Region: New York
Country: United States

This does change based on different accounts, I’ve also seen 74.125.114.82, but the 74.125 prefix seems
stable.

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Categories: Uncategorized
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