Re: ARIN allocating /20 netblocks?

[Karl Denninger <karl () mcs net>]

On Sun, May 17, 1998 at 10:27:00AM -0000, Michael K. Smith wrote:
> Michael Dillon said on 5/17/98 6:13 AM
>
> > On Sat, 16 May 1998, Karl Denninger wrote:
> >
> > > agency).  Renumbering THEM would be a job out of the depths of Hades 
> > > itself; even broaching the subject would likely cost us the account.
> >
> > I see. So if you tell the customer that they need to renumber, then they
> > tell you to stuff it and switch to a new provider who... tells them that
> > they must renumber out of your soon-to-be-reassigned address space.
> >
> > I just don't see this as a realistic example of a situation in which a
> > renumbering ISP is at a severe business disadvantage. In fact I can't
> > remember ever seeing any such realistic example nor do I ever remember
> > hearing of a case in which an ISP lost a significant amount of business
> > because of renumbering.
>
> We have renumbered out of two /20's and 2 /19's and, although we haven't 
> lost any dedicated customers, our time investment in the process has been 
> unreal.  In several instances we had to go onsite and do the renumbering 
> for them.  Of course, the first time you go onsite, the tech guy isn't 
> there, so that's half a day for two people lost.  Then, the next time you 
> go, he doesn't have the passwords to the server, so you have to come back 
> again...  And, because this is something we are requiring them to do, we 
> can't charge them for it.
>
> Let's not forget to mention the 10,000 dialup customers who have to 
> change their DNS numbers.  We have sent snail-mail and e-mail over and 
> over again, yet only about 1/3 of that 10k have actually made the change 
> away from the old numbers.  How many of those customers do you think 
> we'll lose when we officially turn off the old ip's?

At least 1/4 to 1/3rd of them.

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