где можно сграбить свой ip

<?php
    $xff = "";

    $a = split(", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
    $ac = count($a);

    if($ac && strlen($a[$ac - 1]))
        $xff = $a[$ac - 1];
    else
        $xff = $_SERVER['REMOTE_ADDR'];

    echo $xff;
?>

!#/bin/bash

wget -O ip.tmp http://whatismyip.com/automation/n09230945.asp
cat ip.tmp
rm -f ip.tmp

#!/usr/bin/perl

print "Content-type: text/html\r\n\r\n", $ENV{'REMOTE_ADDR'}

wget http://checkip.dyndns.org/ -q -O - | grep -Eo '\<[[:digit:]]{1,3}(\.[[:digit:]]{1,3}){3}\>'