new hosts appearing between 2012-04-11_0800 and 2012-04-12_0800:
www.auone-net.jp                has IPv4 61.200.220.185 has IPv6 2001:268:fa01:b04::8 (ok), 2001:268:fa01:b03::8 (ok)
www.cht.com.tw                  has IPv4 202.39.225.136 has IPv6 2001:b000:180:3::136 (ok)
www.copacet.com                 has IPv4 23.21.201.160 has IPv6 2406:da00:ff00::1715:c9a0 (ok)
www.forumprofi.de               has IPv4 82.96.64.20 has IPv6 2001:1bc0:af::b1 (ok)
www.hinet.net                   has IPv4 202.39.224.7 has IPv6 2001:b000:180:3::7 (ok)
www.inagist.com                 has IPv4 96.126.119.37 has IPv6 2600:3c00:1::607e:7725 (ok)
www.losttype.com                has IPv4 184.105.128.180 has IPv6 2001:470:0:19b::b869:80b4 (ok)
www.newsen.com                  has IPv4 27.1.17.140, 27.1.17.135, 27.1.17.136, 27.1.17.137, 27.1.17.138, 27.1.17.139 has IPv6 2403:3e00:0:20::139 (ok), 2403:3e00:0:20::140 (ok), 2403:3e00:0:20::135 (ok), 2403:3e00:0:20::136 (ok), 2403:3e00:0:20::137 (ok), 2403:3e00:0:20::138 (ok)
www.packagetrackr.com           has IPv4 141.101.125.69, 141.101.126.69 has IPv6 2400:cb00:2048:1::8d65:7d45 (ok), 2400:cb00:2048:1::8d65:7e45 (ok)
www.picaphobia.com              has IPv4 64.62.200.36 has IPv6 2001:470:1:1c7::403e:c824 (ok)
www.xbox.com                    has IPv4 65.55.42.140 has IPv6 2a01:111:f009::3b03 (ok)

hosts disappearing between 2012-04-11_0800 and 2012-04-12_0800:
davidnaylor.co.uk               had IPv4 31.6.77.23 had IPv6 2400:cb00:2048:1::adf5:3d73 , 2400:cb00:2048:1::adf5:3d29 
www.debian.org                  had IPv4 206.12.19.7, 128.31.0.51 had IPv6 2607:f8f0:610:4000:211:25ff:fec4:5b28 
www.gt-worldwide.com            had IPv4 46.252.31.18 had IPv6 2a00:1158:0:406:a992::1 
www.justice.cz                  had IPv4 194.213.41.145 had IPv6 2001:af0:ffee:200::c2d5:2991 
www.kuleuven.be                 had IPv4 134.58.64.12 had IPv6 2001:6a8:2900:1001::80:12 
www.reelseo.com                 had IPv4 141.101.126.143, 141.101.125.143 had IPv6 2400:cb00:2048:1::8d65:7e8f , 2400:cb00:2048:1::8d65:7d8f 
xbox.com                        had IPv4 65.55.42.140 had IPv6 2a01:111:f009::3b03