new hosts appearing between 2012-07-16_0800 and 2012-07-17_0800:
entretenimento.uol.com.br       has IPv4 200.221.8.140, 200.147.67.181 has IPv6 2804:49c:319:430::319 (ok)
mail.ru                         has IPv4 217.69.141.21, 217.69.141.22 has IPv6 2a00:1148:1:1322::b0ba (ok)
ownersguidepdf.com              has IPv4 108.59.2.70 has IPv6 2604:9a00:2100:a010:7::55 (ok)
www.appspot.com                 has IPv4 74.125.127.141 has IPv6 2001:4860:8005::8d (ok)
www.blogspot.it                 has IPv4 74.125.127.191 has IPv6 2001:4860:8005::bf (ok)
www.ethz.ch                     has IPv4 129.132.19.220 has IPv6 2001:620:8:438e::10 (ok)
www.google.com.cu               has IPv4 74.125.224.152, 74.125.224.159, 74.125.224.151 has IPv6 2001:4860:4001:803::1018 (ok)
www.movie4net.blogspot.in       has IPv4 74.125.224.139, 74.125.224.140, 74.125.224.138 has IPv6 2001:4860:4001:803::100b (ok)
www.osnews.com                  has IPv4 74.86.31.159 has IPv6 2607:f0d0:1002:62::3 (ok)
www.raterhub.com                has IPv4 74.125.127.121 has IPv6 2001:4860:8005::79 (ok)
www.sch.gr                      has IPv4 194.63.235.170 has IPv6 2001:648:2302:fd00:203:baff:fed2:cd07 (ok)
www.stc.com.sa                  has IPv4 212.118.156.22 has IPv6 2001:16a0:6000:3::4 (ok)
www.techsatish.net              has IPv4 74.125.127.121 has IPv6 2001:4860:8005::79 (ok)
www.uns.ac.id                   has IPv4 203.6.148.11 has IPv6 2001:df0:220::11 (ok)

hosts disappearing between 2012-07-16_0800 and 2012-07-17_0800:
www.blogosfera.uol.com.br       had IPv4 200.147.99.172 had IPv6 2804:49c:319:430::331 
www.blogspot.pt                 had IPv4 74.125.127.191 had IPv6 2001:4860:8005::bf 
www.blogspot.ro                 had IPv4 74.125.127.191 had IPv6 2001:4860:8005::bf 
www.friendskorner.com           had IPv4 74.125.127.121 had IPv6 2001:4860:8005::79 
www.google.com                  had IPv4 74.125.224.116, 74.125.224.112, 74.125.224.113, 74.125.224.114, 74.125.224.115 had IPv6 2001:4860:4001:802::1014 
www.gov.si                      had IPv4 193.2.236.15 had IPv6 2001:1470:c000:1::c102:ec0f 
www.gtmetrix.com                had IPv4 204.187.12.91 had IPv6 2607:fcc0:2:1:204:187:12:90 
www.italiansubs.net             had IPv4 178.32.137.91 had IPv6 2001:41d0:2:8673::1 
www.mail.ru                     had IPv4 94.100.191.246, 94.100.191.208, 94.100.191.209, 94.100.191.210, 94.100.191.241, 94.100.191.242, 94.100.191.243, 94.100.191.244, 94.100.191.245, 94.100.191.207, 94.100.191.247, 94.100.191.248, 94.100.191.201, 94.100.191.202, 94.100.191.203, 94.100.191.204, 94.100.191.205, 94.100.191.206 had IPv6 2a00:1148:1:1322::b0ba 
www.nic.es                      had IPv4 194.69.254.54 had IPv6 2001:67c:21cc:2000::64:54 
www.templatekingdom.com         had IPv4 108.162.203.106, 108.162.202.106 had IPv6 2400:cb00:2048:1::6ca2:ca6a , 2400:cb00:2048:1::6ca2:cb6a 
www.tmweb.ru                    had IPv4 92.53.116.19 had IPv6 2a03:6f00:3::5c35:7432 
www.weborama.com                had IPv4 213.186.33.4 had IPv6 2001:41d0:1:1b00:213:186:33:4