new hosts appearing between 2012-04-22_0800 and 2012-04-23_0800:
cf.gs                           has IPv4 72.8.150.1 has IPv6 2605:ac00::94 (ok)
inc.gs                          has IPv4 72.8.150.1 has IPv6 2605:ac00::94 (ok)
www.atarde.uol.com.br           has IPv4 200.147.99.129, 200.147.36.16 has IPv6 2804:49c:319:430::292 (ok)
www.exrx.net                    has IPv4 204.235.61.5 has IPv6 2607:fc18:dead:beef::5 (ok)
www.picaphobia.com              has IPv4 64.62.200.36 has IPv6 2001:470:1:1c7::403e:c824 (ok)
www.simplyrecipes.com           has IPv4 64.71.132.139 has IPv6 2001:470:1:1e::4047:848b (ok)
www.xl.co.id                    has IPv4 202.152.224.82 has IPv6 2400:9800:0:220::1 (ok)
www.zenfolio.com                has IPv4 184.105.196.162, 184.105.196.161 has IPv6 2001:470:4d:6::1 (ok), 2001:470:4d:6::2 (ok)

hosts disappearing between 2012-04-22_0800 and 2012-04-23_0800:
www.uyirvani.com                had IPv4 85.114.137.139 had IPv6 2001:4ba0:fff7:6c::1