[MUD-Dev] Re: [Meta] Portable Class C

[Dominic J. Eidson]

[Replying to both Mud-Dev and Meta, since there might be _some_
interest for this with people who're not on Meta]

On Thu, 27 Sep 2001, Christopher Allen wrote:

> Skotos is working on upgrading and making more redundant our
> network, and we need a portable class-C IP address space
> (i.e. independent of our ISP).  However, there is no 'marketplace'

This is called PI (Provider Independant) space. This is allocated
directly by ARIN (Or RIPE, APNIC, or whoever your local IP
assignment agency is.

> to be able to buy one as they were technically given out free. In
> spite of this I do know that people have sold them.

ISP's were gratuitous with their IP allocation handouts, until ARIN
started demanding that ISP's justify their IP address allocation
needs - and saying "We need 12 /24's, because we have 12 webhosting
customers" - just didn't go over well...

> My network consultant said that he'd tapped out his sources for
> buying single class-C IP addresses, but he told me to check out
> older mud admins, as they may have gotten one back when they
> easier to get and may not be using it, or using it fully.  So does
> anyone in Mud-Dev have a class-c that they are not using that
> they'd be willing to sell?

Unfortunately, it's not as easy as "just" buying a /24. There are a
few caveats:

 - Assuming you do get ahold of some /24 PI space, you're
 unfortunately not guaranteed global routabillity. Some backbone
 providers filter announcements longer than a certain length, say
 /20 (*poke Verio*). As such, your /24 announcements won't make it
 into or through their space, and to the people on the other side.

 - ARIN's smallest allocation that you can buy (if you can justify
 that you need a /20 (you have to justify your allocation from them
 directly, whether it's a /20, /16 or /8)).

http://www.arin.net/regserv.html
http://www.arin.net/regserv/ip-assignment.html


--
Dominic J. Eidson
                                        "Baruk Khazad! Khazad ai-menu!" - Gimli
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http://www.the-infinite.org/              http://www.the-infinite.org/~dominic/

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