new hosts appearing between 2011-07-08_1000 and 2011-07-08_1500:
www.ovh.co.uk
www.tyc.edu.tw

hosts disappearing between 2011-07-08_1000 and 2011-07-08_1500:
www.gov.hk
www.luo.bo
www.sprint.com
www.uv.es
www.worldipv6day.org