new hosts appearing between 2012-03-12_0800 and 2012-03-13_0800:
www.benchmark.pl                has IPv4 195.138.211.170 has IPv6 2001:67c:2758:800::41:170 (ok)
www.bpm.uol.com.br              has IPv4 200.147.3.143 has IPv6 2804:49c:319:430::190 (ok)
www.goedbegin.nl                has IPv4 83.137.149.10 has IPv6 2a01:1b0:7999:419::10 (ok)
www.komputronik.pl              has IPv4 195.138.211.155 has IPv6 2001:67c:2758:800::41:155 (ok)

hosts disappearing between 2012-03-12_0800 and 2012-03-13_0800:
kh.edu.tw                       had IPv4 163.32.250.6 had IPv6 2001:288:8201:2::21 
www.agh.edu.pl                  had IPv4 149.156.96.2 had IPv6 2001:6d8:10:1060::6002 
www.psychologies.com            had IPv4 85.116.36.9 had IPv6 2a01:7b0:20:6::4 
www.sch.gr                      had IPv4 194.63.238.40 had IPv6 2001:648:2302:fd00:203:baff:fed2:cd07 
www.softlayer.com               had IPv4 66.228.118.51 had IPv6 2607:f0d0:1000:11:1::1 
www.techtudo.com.br             had IPv4 186.192.82.155 had IPv6 2804:294:4000:8000::5 
www.wiadomosci24.pl             had IPv4 195.8.99.8 had IPv6 2a02:1320:ffff:0:195:8:99:8