hai,
   i  am post grad student doing master in internetworking in australia. i 
have to clarify a question with you, i will be very glad if you spend some 
time to this mail. the question is how can i test or identify that i am 
sitting behind a NAT box or not?. i request you kindly to spare some time to 
answer my question. expecting a positive reply from you soon.

regards,
jai
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