new hosts appearing between 2012-04-04_0800 and 2012-04-05_0800:
bol.uol.com.br                  has IPv4 200.221.8.140, 200.147.67.181 has IPv6 2804:49c:319:430::326 (ok)
postgresql.org                  has IPv4 217.196.149.50, 98.129.198.126 has IPv6 2a02:16a8:dc51::50 (ok)
www.blogfolha.uol.com.br        has IPv4 200.147.99.179 has IPv6 2804:49c:319:430::331 (ok)
www.hungrygowhere.com           has IPv4 122.248.239.68 has IPv6 2400:6500:ff00::7af8:ef44 (ok)
www.isize.com                   has IPv4 160.17.7.1 has IPv6 2001:240:149:109::1 (ok)

hosts disappearing between 2012-04-04_0800 and 2012-04-05_0800:
www.bol.uol.com.br              had IPv4 200.147.67.181, 200.221.8.140 had IPv6 2804:49c:319:430::319 
www.cht.com.tw                  had IPv4 202.39.225.136 had IPv6 2001:b000:180:3::136 
www.fedoraproject.org           had IPv4 209.132.181.16, 140.211.169.197, 152.19.134.146, 66.35.62.166 had IPv6 2610:28:3090:3001:dead:beef:cafe:fed4 
www.hinet.net                   had IPv4 202.39.224.7 had IPv6 2001:b000:180:3::7 
www.keepass.info                had IPv4 80.67.17.63 had IPv6 2a00:1158:0:300:44db::1 
www.liriklaguindonesia.net      had IPv4 199.27.135.84, 199.27.134.19 had IPv6 2400:cb00:2048:1::c71b:8613 , 2400:cb00:2048:1::c71b:8754 
www.mlgame.fr                   had IPv4 176.9.41.142 had IPv6 2607:f748:1200:f5::10 
www.neu6.edu.cn                 no IPv4 had IPv6 2001:da8:9000::7 
www.sch.gr                      had IPv4 194.63.235.170 had IPv6 2001:648:2302:fd00:203:baff:fed2:cd07 
www.uyirvani.com                had IPv4 85.114.137.139 had IPv6 2001:4ba0:fff7:6c::1