Reserved IP addresses

TCP/IP addresses reserved for 'private' networks are:

10.0.0.0       to     10.255.255.255
172.16.0.0     to     172.31.255.255
192.168.0.0    to     192.168.255.255

and as of July 2001

169.254.0.0    to     169.254.255.255 rfc

These are invalid addresses on the internet. Routers don't route them.

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