[mirror-admin] MM 1.3.2, now with automatic network lookups

[Chuck Anderson]

On Tue, Sep 29, 2009 at 11:35:51AM -0500, Matt Domsch wrote:
> On Mon, Sep 28, 2009 at 10:38:59PM -0500, Chris Adams wrote:
> > Once upon a time, Matt Domsch <matt at domsch.com> said:
> > > On Mon, Sep 28, 2009 at 10:15:40PM -0500, Chris Adams wrote:
> > > > Once upon a time, Matt Domsch <matt at domsch.com> said:
> > > > > Anyone know where I can get a RIB that includes IPv6? :-)
> > > > 
> > > > Where (and how) are you getting an IPv4 table?
> > > 
> > > I'm pulling it from ftp.routeviews.org/dnszones, so I could use
> > > archive.routeviews.org and grab a v6 RIB here:
> > > 
> > > http://archive.routeviews.org/route-views6/bgpdata/2009.09/RIBS/
> > > 
> > > anyone have a _clean_ way to parse a directory listing like that?  /me
> > > wishes for a 'latest' symlink.
> > 
> > You might ask them if they'd mind adding that (the data is there for
> > people to look at after all).  Otherwise, all you really need to do is
> > to look for the links to rib.<foo>.bz2 and sort (they are zero padding,
> > so a simple lexical sort will work).  You'll have to deal with the
> > directory name as well though.
> 
> I sent a mail, we'll see.  Until then I've added directory parsing,
> and pushed this live, so ASN lookups on IPv6 is working.
> 
> (for some definition of working; nice that the routing table lists
> 2001::/32 a dozen times with a dozen different ASNs.  Just over 100 of
> the public mirrors are discoverable via their ASNs on IPv6 now, vs 12
> using defined netblocks, so that's something!)

ASN lookup with IPv6 may be less useful given the desire with IPv6 to 
keep more strict hierarchical routing.  For example, WPI's 
2001:468:616::/48 advertised from ASN 10326 wouldn't show up in a 
global IPv6 routing table, since it is aggregated into Internet2's 
2001:468::/32 via ASN 11537.  Even if you had an Internet2 route feed, 
you won't see WPI listed separately, because we are behind Northern 
Crossroads, which aggregates us into 2001:468:600::/40 from ASN 10578.  
ASN 10326 simply doesn't currently show up in a global IPv6 or 
Internet2 IPv6 routing table.

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