content regulation, was Verizon Policy Statement on Net Neutrality
khelms at zcorum.com
Mon Mar 2 20:29:06 UTC 2015
San Jose is most certainly not a pure coax network and is HFC.
HSD does mean High Speed Data.
On Mar 2, 2015 3:26 PM, "Owen DeLong" <owen at delong.com> wrote:
> Not so sure about that…
> 240.59.103.76.in-addr.arpa. 7200 IN PTR
> is most definitely a business class service from Comcast. Seems to match
> the entry for 126.96.36.199 pretty closely.
> I think the difference is the type of cable network in the particular
> area. HFC is Hybrid Fiber Coax. The network in San Jose doesn’t really have
> any fiber, so it’s likely not an HFC network. I’m not sure what HSD stands
> for other than possibly “High Speed Data”, but I suspect it’s more likely
> some cable-specific term for an all-copper alternative to HFC.
> > On Mar 2, 2015, at 03:39 , Rich Kulawiec <rsk at gsp.org> wrote:
> > On Sun, Mar 01, 2015 at 11:58:34AM -0500, Christopher Morrow wrote:
> >> business vs consumer edition products? (that'd be my bet)
> > I think these are all residential customers, as business customers
> > appear to use different subdomains and/or host naming conventions, e.g.:
> > 188.8.131.52 c-24-7-48-153.hsd1.ca.comcast.net
> > 184.108.40.206 c-24-10-217-142.hsd1.ut.comcast.net
> > 220.127.116.11 c-24-129-85-220.hsd1.fl.comcast.net
> > vs.
> > 18.104.22.168
> > 22.214.171.124 70-90-158-37-knoxville.hfc.comcastbusiness.net
> > 126.96.36.199 70-91-133-105-ma-ne.hfc.comcastbusiness.net
> > Or:
> > 188.8.131.52 cpe-23-240-176-98.socal.res.rr.com
> > 184.108.40.206 cpe-24-25-253-81.hawaii.res.rr.com
> > 220.127.116.11 cpe-24-27-121-156.tx.res.rr.com
> > vs.
> > 18.104.22.168 rrcs-24-106-98-106.central.biz.rr.com
> > 22.214.171.124 rrcs-24-142-142-169.central.biz.rr.com
> > 126.96.36.199 rrcs-24-173-100-134.sw.biz.rr.com
> > Those are all (very recent) direct-to-MX on port 25 spam sources, but it
> > looks to me like the first group in each set is residential and the
> > group is business. But perhaps I'm misinterpreting the naming.
> > ---rsk
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