new hosts appearing between 2011-12-16_0800 and 2011-12-17_0800:
telkom.co.id                    has IPv4 209.177.82.39 has IPv6 2001:4488:4:600d::3 (ok)
www.big.or.jp                   has IPv4 183.181.7.1 has IPv6 2001:2e8:621:0:2:1:0:1 (ok)
www.goedbegin.nl                has IPv4 83.137.149.10 has IPv6 2a01:1b0:7999:419::10 (ok)
www.iij4u.or.jp                 has IPv4 210.148.162.25 has IPv6 2001:240:bb81:8500::3:101 (ok)
www.tamu.edu                    has IPv4 165.91.22.70 has IPv6 2606:aa00:3:202::6 (ok)
www.usda.gov                    has IPv4 63.80.242.43, 63.80.242.40 has IPv6 2600:1406:1::addf:e810 (ok), 2600:1406:1::addf:e839 (ok)

hosts disappearing between 2011-12-16_0800 and 2011-12-17_0800:
www.telkom.co.id                had IPv4 202.134.0.219 had IPv6 2001:4488:4:600d::3