proving a wireless router is shared/open

["Steve" <securityfocus () delahunty com>]

Have an odd situation where we want to prove that a wireless router is being
shared by a bunch of people, that is not restricted in any way, so the ISP
bandwidth is being used by a groupof folks that should not be on the
router/ISP.  I cannot give more details.  But, how would you prove such a
thing if you had to ask someone else to obtain this proof since you yourself
could not just walk up with your laptop and wireless NIC and jump on the
wireless router?


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