[lug] comcast and multiple IPs

Chip Atkinson chip at rmpg.org
Wed Jun 9 07:36:17 MDT 2004

I got the same letter myself.  One of the four options that they list is

"Purchase your own router from a retail location and connect it yourself,
which will allow you to have multiple devices connected to the internet,
but still use only one IP address"

While I don't know everything about networking and was reminded of that
fact recently, I don't believe that an extra IP assignment from a DHCP
server on comcast would cost that much in processing on their end.

Oh, I bet the reason may be that their equipment throttles bandwidth based
on IP address, and the limitation is not on the cables.

It's not a big deal though.  It's their playground, and if I don't like
it, I can always go back to the modem. (as if!)


 On Tue, 8 Jun 2004, D. Stimits wrote:

> ...
> > Oh, on another note, one of my co-workers called Comcast and asked them
> > if they were only allowing one PC or one IP address per household.
> > Nobody could answer his question.
> >
> They very distinctly said one PC. There were astounded when I told them
> we'd paid for 5 email addresses (we paid for 5 IP's) and they were not
> ALL being used from one machine. While I have phrased it at times as 5
> email addresses, during installation and prior conversations it was
> DEFINITELY 5 independent IP addresses. But those terms change without
> notice monthly, and when they do, Comcast throws out the records of
> prior deals (I mean this literally, not figuratively, any deal older
> than 2 months is purged from their system). It may depend on who you
> ask, but I brought it all the way up to the manager there at the time,
> he claims a lot of things that were not true. The word that comes to
> mind is something like "hogwash". Apparently they are pushing to gain
> new "optional features" that people can pay more from, as well as trying
> to remove more than one IP from each household as a newer policy.
> D. Stimits, stimits AT comcast DOT net
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