We’d like to show you what some typical broadband space looks like in terms of spam-sending bots and Policy Block List (PBL) listings. Let’s sample a few chunks of IPv4 space, count the spam bots, and map them graphically to visualize what those ranges look like. These are just examples,…

*** This is a Security Bloggers Network syndicated blog from The Spamhaus Project authored by The Spamhaus Team. Read the original post at: https://www.spamhaus.org/resource-hub/dnsbl/pbl-update-and-comparisons-april-2009