new hosts appearing between 2011-08-01_1000 and 2011-08-01_1500:
www.awsclic.com
www.nihon-u.ac.jp
www.uni-muenchen.de

hosts disappearing between 2011-08-01_1000 and 2011-08-01_1500:
www.facebookbiz.de
www.loopia.se
www.psychologies.com
www.uv.es
www.voc.com.cn
www.zte.com.cn