new hosts appearing between 2011-06-20_0500 and 2011-06-20_1000:
www.iij4u.or.jp
www.indosat.com
www.italiansubs.net
www.mybroadband.co.za
www.rackspace.com
www.rackspacecloud.com

hosts disappearing between 2011-06-20_0500 and 2011-06-20_1000:
www.elseptimoarte.net
www.najdi.si
www.prq.se