... global RFC1918 damage in DNS system rare to get macroscopic Internet data so radically broken who is trying to update the roots anyway? dsl, cablemodem, small population providers, developing countries verified that vast majority derive from two OSes: Windows 2000 and Windows XP majority of updates from sources that send them constantly bulk of workload from contributions of medium size, not mice/elephants most source IP addresses are of home and small business users (owned by individuals, not organizations) connected to the Internet via cable, DSL or phone-based ISPs majority using software with default vendor settings academic, corporate, backbone networks contribute little rfc1918 update traffic