Pakistan Youtube incident Youtubes has prefix 208.65.152.0/22 Pakistans government order Youtube blocked Pakistan Telecom (AS 17557) announces 208.65.153.0/24 in the wrong direction (outwards!) Longest prefix match caused worldwide outage http://www.youtube.com/watch v=IzLPKuA Oe50http://www.youtube.com/watch v=IzLPKuA Oe50