new hosts appearing between 2011-06-28_1500 and 2011-06-28_2000:
www.infoweb.ne.jp
www.justice.cz
www.luo.bo
www.nifty.com
www.reg.ru

hosts disappearing between 2011-06-28_1500 and 2011-06-28_2000:
www.burst.net
www.sprint.com