It could also be Compute Engine. In general AppEngine have UrlFetch, which clearly identifies Apps in the User-Agent.
But there is Socket API which makes direct http requests possible. Not sure if the Compute and App engine can be clearly seperated from the IP. .. but the googleusercontent.com does pretty much its a 'cloud customer' rather than Google. Proper Googlebot is clearly identified in the reverse DNS lookup. On 3 February 2015 at 20:42, Pavel Sokolovsky <[email protected]> wrote: > One of my sites has seen a significant amount of traffic from four IPs > owned by Google. The hostnames all resolve to > D.C.B.A.bc.googleusercontent.com (where d.c.b.a. is the ip address > backwards). I suspect this traffic is from an app running on google app > engine, rather than google itself. Can anyone confirm what IP/Hostname > traffic running on app engine comes from? Does it fit this model? > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/google-appengine. > To view this discussion on the web visit > https://groups.google.com/d/msgid/google-appengine/89af9c01-4a2a-4eeb-9aa7-3d38fb5dfdcb%40googlegroups.com > <https://groups.google.com/d/msgid/google-appengine/89af9c01-4a2a-4eeb-9aa7-3d38fb5dfdcb%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/CAJCAUuLy3qehm0ynKpfdYe4LaauXgt-ErW3bfeqiKn6im%3D4XSA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
