talk on Ripe.net: https://ripe73.ripe.net/archives/video/1457/
Presentation file: Franziska Lichtblau: Illegitimate Source IP Addresses at Internet Exchange Points (PDF)
Interesting talk to watch… A thing or two to think about in the current internet when remembering the year Pakistan hijacked youtube. [1] [2]
[1] http://research.dyn.com/2008/02/pakistan-hijacks-youtube-1/