new hosts appearing between 2012-05-30_0800 and 2012-05-31_0800:
bol.uol.com.br                  has IPv4 200.221.8.140, 200.147.67.181 has IPv6 2804:49c:319:430::326 (ok)
india.gov.in                    has IPv4 164.100.56.202, 164.100.56.201 has IPv6 2001:4408:5200::a464:38ca (ok), 2001:4408:5200::a464:38c9 (ok)
mozilla.org                     has IPv4 63.245.215.20 has IPv6 2620:101:8008:5::2:1 (ok)
www.aolcdn.com                  has IPv4 173.223.232.160, 173.223.232.161 has IPv6 2600:809:600::3f50:412 (ok), 2600:809:600::3f50:421 (ok)
www.berkeley.edu                has IPv4 169.229.216.200 has IPv6 2607:f140:0:81::f (ok)
www.blogcdn.com                 has IPv4 173.223.232.48, 173.223.232.98 has IPv6 2600:809:600::3f50:40a (failed), 2600:809:600::3f50:412 (ok)
www.bluecoat.com                has IPv4 199.91.133.25 has IPv6 2001:418:9804:111::9 (ok)
www.justice.cz                  has IPv4 194.213.41.145 has IPv6 2001:af0:ffee:200::c2d5:2991 (ok)
www.kinghost.com.br             has IPv4 189.38.88.17 has IPv6 2804:10:5::88:18 (ok)
www.kohanaframework.org         has IPv4 173.245.61.115, 173.245.61.41 has IPv6 2400:cb00:2048:1::adf5:3d29 (ok), 2400:cb00:2048:1::adf5:3d73 (ok)
www.leaseweb.com                has IPv4 85.17.134.129 has IPv6 2001:1af8:4300:4:3::1 (ok)
www.leeds.ac.uk                 has IPv4 129.11.26.33 has IPv6 2001:630:62:59::100 (ok)
www.openpr.com                  has IPv4 141.0.17.227 has IPv6 2a00:1158:0:406:6fd2::1 (ok)
www.udg.mx                      has IPv4 148.202.105.42 has IPv6 2001:1210:a:0:21d:9ff:fe64:b547 (ok)
www.webex.com                   has IPv4 173.243.5.18 has IPv6 2607:fcf0:1:fffe::1100 (ok)

hosts disappearing between 2012-05-30_0800 and 2012-05-31_0800:
ssa.gov                         had IPv4 199.173.225.5, 137.200.4.16 had IPv6 2001:1930:c00::19 
www.4fuckr.com                  had IPv4 62.212.85.16 had IPv6 2001:1af8:4010:a007:dead:beef:face:1337 
www.auone-net.jp                had IPv4 61.200.220.185 had IPv6 2001:268:fa01:b04::8 , 2001:268:fa01:b03::8 
www.bitsnoop.com                had IPv4 31.7.59.14 had IPv6 2a02:29b8:1925::2 
www.bol.uol.com.br              had IPv4 200.221.8.140, 200.147.67.181 had IPv6 2804:49c:319:430::319 
www.geneanet.org                had IPv4 212.43.237.89, 212.43.237.90 had IPv6 2001:a70:0:2::12 , 2001:a70:0:2::13 
www.joomlaclube.com.br          had IPv4 189.38.91.70 had IPv6 2804:10:2003::91:70 
www.liriklaguindonesia.net      had IPv4 173.245.61.200, 108.162.194.103 had IPv6 2400:cb00:2048:1::6ca2:c267 , 2400:cb00:2048:1::adf5:3dc8 
www.mlgame.fr                   had IPv4 176.9.41.142 had IPv6 2607:f748:1200:f5::10 
www.mozilla.org                 had IPv4 63.245.217.105 had IPv6 2620:101:8008:5::2:1 
www.ncsu.edu                    had IPv4 152.1.226.10 had IPv6 2001:470:e2ba::10 
www.podnapisi.net               had IPv4 91.185.205.30, 91.185.207.128 had IPv6 2a02:840:1:2:111::1 
www.upic.me                     had IPv4 122.155.17.151, 122.155.6.219 had IPv6 2404:8800:804::1 
www.usda.gov                    had IPv4 80.67.74.153, 80.67.74.145 had IPv6 2600:809:600::3f50:409 , 2600:809:600::3f50:438