[ILUG] Class C Addresses

[Chris Higgins]

> Thanks for all the answers some great debate going on. :-)
> 
> But a friend of a friend (those in the know will know whom I am refering to) 
> is still anxious to off load his 200 or so ip address


He can't - they get returned to his ISP. They are of no 
real use to anyone else..

http://www.ripe.net/ripe/docs/ir-policies-procedures.html

If an end user changes service providers, their PA address  space will have to 
be replaced. As a consequence, all hosts and routers at the end user's 
organization will have to be reconfigured. The end user will need to obtain a 
new address space assignment, and return the previously assigned address 
space. To ensure the address space is properly returned, a clear, preferably 
contractual, understanding is needed between the Local IR and the end user. 
The agreement should state that the assignment of the address space becomes 
invalid when the provider no longer provides Internet connectivity to the end 
user or shortly thereafter.

Assignments of any kind of address space are valid as long as the original 
criteria on which the assignment was based are still valid. If an assignment 
is made for a specific purpose and the purpose no longer exists, then the 
assignment is no longer valid. If an assignment is based on information that 
turns out to be invalid so is the assignment.


> 
> ;-)
> Evil
> 
> Aj
> 
> On Wednesday 07 November 2001 12:49 pm, you wrote:
> > On Wed, Nov 07, 2001 at 05:24:43PM -0000, Treanor, Ciaran mentioned:
> > > >  If programmers would just get a list of all IPs associated with a
> > > > hostname, try the first, attempt to connect, and if that
> > > > failed inside of a second or three, try the second etc. - everything
> > > > would be rosy. But no. People are lazy. So, you have to do NAT etc.
> > > > to get around it. It's a crazy world.
> > >
> > > Please tell me you're joking.
> >
> >  I'm certainly not joking. It's how DNS works, one of the most reliable
> > time critical systems around. It's not going to work for everything, but
> > people should be aware of it...
> >
> > Kate
> 
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** Chris Higgins                         e: chris.higgins at horizon.ie **
** Technical Business Development        tel: +353-1-6204916            **
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