Methods for Producing these Rankings
The rankings published so far are examples.
We will be adding more over time.
All data are provisional, and all results are tentative.
This research project collects outbound
data per IP address daily from
half a dozen anti-spam blocklists, collates it by
extracts it by geography (world, U.S., etc.)
and type (all, medical, financial, etc.),
for a given time period (quarterly, monthly, weekly, daily)
and ranks the resulting AS data,
displaying it in tables and graphs.
displayed so far derive from custom spam
volume data from
Collation from numeric IP addresses to
uses correlations provided by
Rankings version 2 (rankv2)
does this collation more precisely per day than the older (retired after April 2013)
See the Acknowledgments and Disclaimer.