nanog mailing list archives

Re: /8 end user assignment?


From: "Christopher L. Morrow" <christopher.morrow () mci com>
Date: Sun, 07 Aug 2005 20:54:09 +0000 (GMT)


On Sun, 7 Aug 2005, William Warren wrote:


I think i did not make myself clear.  The corrections off-list are
valid..:)  However the modems are accessed by the providers using
RFC1918 space and not public IP space.  This is true it does not mean

and there was a mention at IETF by Alian of comcast (formerly of FT I
thought?) that comcast was looking at an immediate ipv6 rollout: "because
net 10 is not big enough"... 'immediate' on some scale not 'ten years out'
(no timeframes mentioned, sorry)

they are natting the users..however they are using large amounts of
RFC1918 space to either save address space in general or save the costs
associated with the additional address space they would consume if they
did not use the RFC1918 space.

William Warren wrote:

Actually the cable modems and Dsl modems usually have a 10.x address
they are used by the ISP's to access their internal firware.  Also on
traces that I have done on both cable and dsl the first hop is
invariably a RFC1918 address.

<snip>

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righteousness is of me, saith the LORD.

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