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Both computers have internet access and can browse to any other domain or IP except the ones on the same incoming modem. The configuration is:

  1. DSL modem with 5 static IPs
  2. one switch connected to the DSL
  3. each router is connected to the switch with a 1-digit difference in the IP address gateway, and subnet masks are the same.

When I try to browse to the web host on computer from computer it times out. Any other computer outside the this network see the page.

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Do the routers have NAT enabled? – MaQleod Aug 9 '13 at 4:20
We really need to know more about how the routers are configured, including port forwarding. It is difficult to see how you could have a "real world" IP address on a device if there is a router inline (in the scenario I understand you to have described). Most likely you need to get rid of the routers or set up port forwarding on them. – davidgo Aug 9 '13 at 5:27
You can't have IPs on separate networks that look like and If the machines with these two addresses are connected to separate routers, they can't see each other, because each thinks the other should be on its subnet. – Fred Aug 11 '13 at 2:59

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