new hosts appearing between 2012-04-18_0800 and 2012-04-19_0800:
getlikeseasy.com                has IPv4 216.70.96.141 has IPv6 2400:cb00:2048:1::adf5:3c29 (ok), 2400:cb00:2048:1::adf5:3c73 (ok)
www.citeam.pl                   has IPv4 193.23.48.191 has IPv6 2a02:dc8:3:2::20 (ok)
www.dickmorris.com              has IPv4 199.27.135.58, 173.245.61.150 has IPv6 2400:cb00:2048:1::c71b:873a (ok), 2400:cb00:2048:1::adf5:3d96 (ok)
www.ehu.es                      has IPv4 158.227.0.65 has IPv6 2001:720:1410::65 (ok)
www.empregocerto.uol.com.br     has IPv4 200.147.3.199, 200.147.35.224 has IPv6 2804:49c:319:430::326 (ok)
www.gov.hk                      has IPv4 202.128.243.212 has IPv6 2406:0:6a:8001::212 (ok)
www.itu.int                     has IPv4 156.106.202.5 has IPv6 2a00:7580:60:2141::12 (ok)
www.kennstdueinen.de            has IPv4 80.67.27.48 has IPv6 2a00:1158:0:402:bd8a::1 (ok)
www.o2.cz                       has IPv4 160.218.161.61 has IPv6 2001:41d8:1:8f20::30 (ok)
www.packagetrackr.com           has IPv4 141.101.126.69, 141.101.125.69 has IPv6 2400:cb00:2048:1::8d65:7d45 (ok), 2400:cb00:2048:1::8d65:7e45 (ok)
www.stanford.edu                has IPv4 171.67.215.200 has IPv6 2607:f6d0:0:925a::ab43:d7c8 (ok)
www.uyirvani.com                has IPv4 85.114.137.139 has IPv6 2001:4ba0:fff7:6c::1 (ok)

hosts disappearing between 2012-04-18_0800 and 2012-04-19_0800:
www.cht.com.tw                  had IPv4 202.39.225.136 had IPv6 2001:b000:180:3::136 
www.freemail.hu                 had IPv4 195.228.245.1 had IPv6 2001:4c48:2:3f::1b 
www.meo.pt                      had IPv4 83.240.175.138 had IPv6 2a02:818:2021:6240:83:240:175:138