Subj : The end of IPv4?
To   : Markus Reschke
From : Michiel van der Vlist
Date : Sat Jun 18 2016 14:36:00

Hello Markus,

On Saturday June 18 2016 12:25, you wrote to Tony Langdon:

 MR> Another network professional here. I doubt that any major corporation
 MR> will return or sell public IPv4 address space.

The going rate for an IPv4 address is EUR 10. Thatmeans there is a market and that implies that /some/ are offering IPv4 address space for sale;

 MR> Several got a /8 long time ago and only use it internally, maybe a
 MR> few addresses for public services. Since those major corporations
 MR> didn't manage to migrate to private IPv4 address space the last 20
 MR> years, they won't be able to migrate compeletely to IPv6 the next 20
 MR> years.

That they haven't does not mean that they can't. They may as well have thought it not worth while the effort. That may change if the price of IPv4 goes up. They may have choosen to sit on their IPv4 just for that reason. I have read several articles from people who claim to have to say something worth while about the right moment to sell unneeded IPv4 address space. No doubt the price will go up, but that won't go on forever. At some point the price will go down again because the world has converted to IPv6 and IPv4 is no longer needed so much.

Contrary to converting from public IPv4 to private IPv4, comopanies have no choice regarding IPv6. They can't postpone it another decade, they HAVE to convert to IPv6 because the rest of the world does.

 MR>  And the shortage of IPv4 address space has already started.

In the Dutch for, I have echanged mail with several people running small hosting companies who complain that they can't get IPv4 address space for their customers. If they have to buy IPv4 address space and charge it to their customers, they are more expensive than the competition that still ahs address space. If they do not charge it to their customers, they can not make a profit.


Cheers, Michiel

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