new hosts appearing between 2012-04-15_0800 and 2012-04-16_0800: www.packagetrackr.com has IPv4 141.101.126.69, 141.101.125.69 has IPv6 2400:cb00:2048:1::8d65:7e45 (ok), 2400:cb00:2048:1::8d65:7d45 (ok) hosts disappearing between 2012-04-15_0800 and 2012-04-16_0800: www.itu.int had IPv4 156.106.202.5 had IPv6 2a00:7580:60:2141::12 www.meo.pt had IPv4 83.240.175.138 had IPv6 2a02:818:2021:6240:83:240:175:138