I'm teaching myself all about TCP/IP and have a question. If I have the IP address on a network of 18.104.22.168 with the subnet mask 255.0.0.0 and second IP address of 22.214.171.124 with a subnet mask 255.0.0.0, obvisiously I can ping 126.96.36.199 from 188.8.131.52.
Okay, this is what I want to know, if I change 184.108.40.206 to subnet mask 255.255.0.0 why can I still ping it from 220.127.116.11? Isn't it now on a different Network ID?
Lastly, if I change 18.104.22.168 to subnet mask 255.255.255.0 why can I then NOT ping it from 22.214.171.124?
Bare in mind, this is a simple network with only a switch between the PC's (IP addresses), no routers etc.