new hosts appearing between 2010-06-21 and 2010-06-28:
www.handbrake.fr
www.itb.ac.id
www.upic.me
www.ustb.edu.cn

hosts disappearing between 2010-06-21 and 2010-06-28:
www.arin.net
www.seu.edu.cn
www.steadfast.net
www.uu.se
www.zoover.de