new hosts appearing between 2012-04-16_0800 and 2012-04-17_0800:
www.add-anime.net               has IPv4 173.245.61.39, 173.245.61.111 has IPv6 2400:cb00:2048:1::adf5:3d27 (ok), 2400:cb00:2048:1::adf5:3d6f (ok)
www.bol.uol.com.br              has IPv4 200.221.8.140, 200.147.67.181 has IPv6 2804:49c:319:430::319 (ok)
www.gt-worldwide.com            has IPv4 46.252.31.18 has IPv6 2a00:1158:0:406:a992::1 (ok)
www.meo.pt                      has IPv4 83.240.175.138 has IPv6 2a02:818:2021:6240:83:240:175:138 (ok)
www.techtudo.com.br             has IPv4 186.192.82.155 has IPv6 2804:294:4000:8000::5 (ok)
www.usp.br                      has IPv4 200.144.190.196 has IPv6 2001:12d0::190:196 (ok)
www.uu.se                       has IPv4 130.238.7.5, 130.238.7.24 has IPv6 2001:6b0:b:242::24 (ok), 2001:6b0:b:242::5 (ok)
www.worldstream.nl              has IPv4 93.190.136.5 has IPv6 2a00:7c80::2 (ok)

hosts disappearing between 2012-04-16_0800 and 2012-04-17_0800:
bol.uol.com.br                  had IPv4 200.221.8.140, 200.147.67.181 had IPv6 2804:49c:319:430::326 
www.active24.cz                 had IPv4 81.95.96.6 had IPv6 2a02:4a8:ac24:100::96:6 
www.cht.com.tw                  had IPv4 202.39.225.136 had IPv6 2001:b000:180:3::136 
www.hinet.net                   had IPv4 202.39.224.7 had IPv6 2001:b000:180:3::7 
www.kuvaton.com                 had IPv4 217.30.184.170 had IPv6 2001:1bc8:1004::1:80 
www.wpde.org                    had IPv4 93.187.232.98 had IPv6 2a00:1158:0:402:3033::1