new hosts appearing between 2011-08-23_1000 and 2011-08-23_1500:
www.t-com.ne.jp

hosts disappearing between 2011-08-23_1000 and 2011-08-23_1500:
www.iij4u.or.jp
www.ks.ua
www.loopia.se
www.taxi-benefit.ru
www.ver-anime.net
www.vitrinecoletiva.com.br
www.whatwg.org