new hosts appearing between 2011-06-13_0500 and 2011-06-13_1000:
www.just-ping.com
www.timewarnercable.com

hosts disappearing between 2011-06-13_0500 and 2011-06-13_1000:
www.blognone.com
www.haxx.se
www.jeu.fr
www.ox.ac.uk
www.sch.gr