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There are a number of address ranges that are used only for private
networks, and are therefore not addressable on the public Internet. Those
numbers are:
RFC 1597, Address Allocation for Private Internets, describes the
following:
> The Internet Assigned Numbers Authority (IANA) has reserved the
> following three blocks of the IP address space for private networks:
>
> 10.0.0.0 - 10.255.255.255
> 172.16.0.0 - 172.31.255.255
> 192.168.0.0 - 192.168.255.255
So for your doc, you could use any address in these ranges for your
example. Anything in the 10.x.x.x range will likely look fake to anyone
reading it, while the 172.x.x.x numbers (not as well known) would
probably appear "real" to your readers.
>Are there reserved IP addresses that will not point to any specific
>computer? I need to replace internal IP addresses with bogus ones,
>but I don't want to guess a number that will indeed represent someone
>else's computer... Do I have to use 1.1.1.1 (looks a bit fake)? Is
>there an equivalent to the 555 phone numbers for IP addresses?