[CST-2] Digi Comms
Barnaby Gray
bgrg2@cam.ac.uk
Fri, 31 May 2002 00:54:46 +0100
On Fri, May 31, 2002 at 12:58:09AM +0100, Tom Puverle wrote:
> > Hmm.. to be pedantic the final bits do actually always specify a host
> > (or a network/broadcast address if they are all 0/1's), otherwise the
> > IP address wouldn't be unique to that particular host. What you mean
> > is that you can still have further subnetting and routing based on
> > this inside that host part, so you can have sub-network blocks and
> > sub-host parts (I guess that's what you'd call them), but you do
> > still essentially need all the way down to the last bit to directly
> > identify that host.
>
> Yes, you are right and I don't think I claimed otherwise. Assuming a
> class C network (it can't be an A or B if you are still routing when you
> know the first 18 bits) the example address 128.232.2/18 isn't still
> resolved (since you need to know the first 24 bits to find the correct
> class C net) which is why I said that it was more likely to be a network
> cluster.
ping 128.232.2
Ok.. I take your point though :-)
Barnaby