Looks alot like /14 & change. That would be 256K plus delegated - 210K
users
Hey, your right, not a bad packing ratio. Hows yours?
How's 2 /16's & change, 128k addresses - 455k users. I think I win. (In
an effort to fully disclose, about 20% of those users are on wholesale
dialup providers).
Cable modem subscribers normally are not dynamically assigned IPs like
dialups. Besides, they are advertised as a constant connection, and a lot
of people use it as such.
And I have a whole lot of dialup users that would love to have a static IP
so they can more easily run servers and such. Several years ago when our
users were staticly addressed, ARIN requested that we move to dynamic
addressing. Why do my users have to be dynamically addressed but @home's
do not?
I do want to let everyone know that I really don't have any problem with
@home. They're a business like any other, and I would do the same thing
if I had the opportunity. The point here is that we did not have that
opportunity, we were forced to use dynamic addressing while @home was
basically given enough address space to statically address their users.
Brandon Ross Network Engineering 404-815-0770 800-719-4664
Director, Network Engineering, MindSpring Ent., Inc. info@mindspring.com
                                                            ICQ: 2269442
Stop Smurf attacks! Configure your router interfaces to block directed
broadcasts. See http://www.quadrunner.com/~chuegen/smurf.cgi for details.
Cable modem subscribers normally are not dynamically assigned IPs like
dialups. Besides, they are advertised as a constant connection, and a lot
of people use it as such.
All of the cable modem subscribers I know have dynamic IPs assigned by
DHCP. A suitably aggressive DHCP client can usually keep the lease
renewed so the IP doesn't change, but they are most certainly not
static IP addresses.
Yo John!
My local cable company, Bend Cable, gives out static IP with RoadRunner
service.
I also know several folks on @Home in Fremont, CA, that have static
IP addresses.
RGDS
GARY
Yep most I know are DHCP - but it is more of a feeble attempt to stop ppl
from running web servers and it eliminates the install techs from having
to do as much configuration. But for the purposes of address stewardship
- there is no savings of address space in this scenario - they are up 24x7
and if they loose their connection they usually come back up before they
lose their lease. So for the purposes here - they are statically
addressed. ARIN's dynamic address requirement is intended for the
purpose of address conservation - not for ease of configurtion.
Yes, DHCP is used, but the IP addresses remain the same unless a network
renumbering is necessary.
Not true. The Roadrunner implementation dynamically allocates addresses via
DHCP and connections to the cable routers are not persistant, but are torn
down when utilization ends... Otherwise you would need a head-end cable
modem for each home...
Andrea Di Lecce wrote:
Cable modem subscribers normally are not dynamically assigned IPs like
dialups. Besides, they are advertised as a constant connection, and a lot
of people use it as such.
  I'm not intending to get involved in the one thing is better than
another argument, but I thought that some on the list would like to know
some facts about cable modems. I am a Road Runner customer, and I have
been in contact with a lot of other cable modem customers because of my
web page that explains how to get dhcp running with FreeBSD.
  For RR I know for sure that different local cableco's do things
differently. Here, Time Warner (nee Southwestern) Cable is still pushing
their sad little marketing scheme of charging for a "static" IP, so they
have set up dhcp in such a way that every time they reboot a given dhcp
server it's pot luck on who gets what IP. And of course, the dhcp server
they are using doesn't listen to the dhcp client's request to be
reassigned the same IP. Fortunately they are now rebooting the servers
less often, about once a month. In the early days of the service it was
much more painful.
  Other RR locations do provide the dhcp equivalent of a static address,
which is usually a 50 year lease on that IP. Last I heard, the local
@Home provider issued that kind of lease, but I haven't been in touch
with many @Home customers outside of San Diego. Other cableco's have an
amalgam of the various different possibilities. Some don't use dhcp at
all, etc. etc.
