No more IP for you

Paul LeoNerd Evans leonerd at
Thu Jan 21 11:13:16 GMT 2010

On Thu, 21 Jan 2010 00:44:06 +0000
Dave Hodgkinson <davehodg at> wrote:

> Isn't it a case of wresting some class-A addresses from the like of IBM,
> AT&T and HP and making them use pukka internal addresses for inside
> the firms?

See also the earlier comments in this thread about space fragmentation.

IPv4 "addresses" are becoming more like simply names now; names which you
still need to look up in a database to find where to route them. That
database is the global BGP routing information; currently sitting at over
300,000 entries and constantly growing. Every time you split a prefix you
gain no new actually-usable "addresses" but gain another entry that every
internet router in the world has to know about.

Paul "LeoNerd" Evans

leonerd at
ICQ# 4135350       |  Registered Linux# 179460
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