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#21
Sorry that I appear to have missed your reply here
The only thing I can think of that would cause the other router to be appearing in the your subnet is that the subnet is incorrectly defined (255.255.0.0 rather than 255.255.255.0) the only other thing I can suggest is if you try one of the other Private address ranges
This wikipedia page will give you the listings of those available for private networks ....
Private network - Wikipedia, the free encyclopedia