[racket] getting remote ip address

From: prad (prad at towardsfreedom.com)
Date: Tue May 14 14:07:01 EDT 2013

in php i can do this:

to find out what the client ip address is.

how do i do it in racket?

i looked at request-client-ip provided by
but that seems to require i run the racket webserver.

in friendship,

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