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On Thu, Oct 12, 2006 at 08:07:43PM -0400, gabriel rosenkoetter wrote:
> On Wed, Oct 11, 2006 at 10:30:23AM -0400, Sean C. Sheridan wrote:
> > > So... you're trying to locate publicly-accessible hosts providing
> > > services other than HTTP[S]
> > No, I'm looking for the fastest method to locate publicly available http
> > servers for a particular domain. I have no interest in non-http services.
> [...]
> > Doesn't this assume there is a link from the main domain to the sub
> > domain? Specifically that somebody took the time to link to the sub
> > domain via a web page?
>
> Okay, so then you care about anything within the IP block that ARIN
> says the educational institution in question owns that responds on
> ports 80 or 443, plus maybe 8080 and 8888 for bonus points.
>
> Figuring out the IP range(s) you want for a big place like UPenn is
> more complicated, since their public web page is served via Akamai,
> but I'll figure that www.cis.upenn.edu is in at least one of their
> ARIN reservations (they have several, if memory serves), so:
UPenn owns 5 /16's. I don't know what they all are, but I know they own
5 of them. Drexel has 2 or 3 of them and Villanova has one. I'll bet
other schools have some, too (e.g. MIT, Stanford, etc).
--
Toby DiPasquale
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