new hosts appearing between 2011-08-13_0500 and 2011-08-13_1000:
www.freenews.fr
www.fudan.edu.cn
www.mikrotik.com
www.perl.org
www.uni-muenchen.de

hosts disappearing between 2011-08-13_0500 and 2011-08-13_1000:
www.cfos.de
www.vonage.com