RE: [OT] Who can explain this address scheme?

[mouss]

At 13:34 23/04/01 -0400, Cranmer, James-DLI wrote:
>That is not an IP address, it is actually just a DNS entry.

no, it is an IP address.
just do: ping -n 3510483697
and you'll see that it work, and -n says no dns lookup.

an IP address is a 32 bits integer that can be represented in one
of the forms:
         a               = a
         a.b             = 256^3 a + b
         a.b.c           = 256^3 a + 256^2 b + c
         a.b.c.d         = 256^3 a + 256^2 b + 256 c + d

a common example is doing "ping 127.1" instead of typing the long "127.0.0.1"
or same with 10.1 and so on.

refer to the source code of inet_aton() if you don't feel lazy...

cheers,
mouss

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