new hosts appearing between 2012-05-08_0800 and 2012-05-09_0800:
www.bol.uol.com.br              has IPv4 200.147.67.181, 200.221.8.140 has IPv6 2804:49c:319:430::319 (ok)
www.exrx.net                    has IPv4 204.235.61.5 has IPv6 2607:fc18:dead:beef::5 (ok)
www.o2.cz                       has IPv4 160.218.161.61 has IPv6 2001:41d8:1:8f20::30 (ok)
www.sch.gr                      has IPv4 194.63.235.170 has IPv6 2001:648:2302:fd00:203:baff:fed2:cd07 (ok)
www.upenn.edu                   has IPv4 173.223.232.112, 173.223.232.128 has IPv6 2600:1406:1::addf:e809 (ok), 2600:1406:1::addf:e852 (ok)

hosts disappearing between 2012-05-08_0800 and 2012-05-09_0800:
bol.uol.com.br                  had IPv4 200.221.8.140, 200.147.67.181 had IPv6 2804:49c:319:430::326 
www.auone-net.jp                had IPv4 61.200.220.185 had IPv6 2001:268:fa01:b04::8 , 2001:268:fa01:b03::8 
www.biggeekdad.com              had IPv4 141.101.124.59, 141.101.126.58 had IPv6 2400:cb00:2048:1::8d65:7e3a , 2400:cb00:2048:1::8d65:7c3b 
www.bpm.uol.com.br              had IPv4 200.147.3.143 had IPv6 2804:49c:319:430::190 
www.disponivel.uol.com.br       had IPv4 200.147.99.129, 200.147.36.16 had IPv6 2804:49c:319:430::292 
www.ecadforum.com               had IPv4 199.27.134.50, 173.245.60.134 had IPv6 2400:cb00:2048:1::c71b:8632 , 2400:cb00:2048:1::adf5:3c86 
www.lima-city.de                had IPv4 212.83.45.135 had IPv6 2a00:f48:2000:affe::49 
www.zdarma-ruleta.cz            had IPv4 77.93.211.207 had IPv6 2a01:430:1a::207