new hosts appearing between 2011-07-18_0500 and 2011-07-18_1000:
www.mikrotik.com
www.uni-muenchen.de

hosts disappearing between 2011-07-18_0500 and 2011-07-18_1000:
www.cfos.de
www.dafont.com
www.elseptimoarte.net
www.italiansubs.net
www.koreus.com
www.luo.bo
www.ovh.co.uk