new hosts appearing between 2011-07-17_0500 and 2011-07-17_1000:
www.big.or.jp
www.fuskator.com
www.ovh.pl
www.rcn.com
www.wahuu.com

hosts disappearing between 2011-07-17_0500 and 2011-07-17_1000:
www.auone-net.jp
www.cfos.de
www.dafont.com
www.ovh.com
www.uni-muenchen.de