Hi,
ist wohl net 100% was Du wolltest, kommt dem aber imho recht nahe:
http://www.isc.org/index.pl?/ops/ds/
@telepornos: genau das machen die
A company called Network Wizards, does a biannual DNS walk with a robot called ZONE. Essentially, this means they have counted the number of hosts on the Internet. If you are unclear on the distinctions between hosts, web sites, IP addresses and individual computers, see the terminology page.
Alternativ:
http://www.internettrafficreport.com/main.htm
(schön aufbereitet, aber imho net so genau das, was Du wolltest, wie der obere Link.)