Out of Date Bogon Prefix

[randy at psg.com (Randy Bush)]

> Switching topics only slightly: Nick, do you have any data on what parts
> of the 'Net you can and cannot reach?  Perhaps take a dump of
> route-views and ping some IPs in each ASN?  Shouldn't be hard to script,
> and might yield useful data - both to you and the rest of us.

tee hee.  been there.  done that.  and for 173.0.0.0/20.  paper
submitted a month ago, but you saw a preso of the technique a year ago,
see <http://rip.psg.com/~randy/070604.nanog-bogons.pdf>.

arin has the code from us so they could put it into production if they
so chose.

randy