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Anti-Spam Blocklists DDoSed Down
At least three anti-spam blocklists were taken down this week by Distributed Denial of Service (DDoS) attacks: Spamhaus, CBL, and APEWS. The first two are back up; the third is not. The Composite...
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March 2013 Rankings
AS 49879 HOSTHANE ISIK spammed enough in three days starting 26 March 2013 to make #4 spot for Turkey from CBL data. TTnet AS 9121 spammed about 30% less, yet went from #2 to #1. Our new #2, hosting...
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Odd goings-on in Turkey: March 2013 SpamRankings.net
AS 49879 HOSTHANE ISIK spammed enough in three days starting 26 March 2013 to make #4 in the March for Turkey from CBL data. TTnet's AS 9121 spammed about 30% less, yet went from #2 to #1. The new #2,...
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Adeox or Tamer
Here's why we didn't list a website for AS 42055 TAMER the March for Turkey from CBL data. Various Autonomous System analysis sites, such as TCPIPUtils.com list numerous domains for this AS: which...
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April 2013 Rankings
OVH, Hanaro, and Strato at the top of world spamming. Rankings v2: more precise counts; slightly different order. Initially, we are only pubishing v2 for March and April 2013. In a few weeks we will...
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Version 2 of SpamRankings.net
The April 2013 rankings include version 2 of the volume compilation method, with precise counts, resulting in slightly different ranking orders. For example, OVH, Hanaro, and Strato are the top three...
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Why more spam seen for OVH with v2 rankings than v1?
OVH Systems' AS 16276 is #1 in the April 2013 worldwide from CBL data with 631,539,742 spam message seen according to the new Version 2 of SpamRankings.net, while the same ASN is #3 in the old version...
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Comcast's AS 7015 and AS 7922
Comcast shows some of the biggest differences between Version 2 and the old version 1 of for April 2013. Comcast is in the U.S. top 10 either way, but with different Autonomous Systems: AS 7922 is #3...
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May 2013 Rankings
Medyabim popped into the Turkish top 10 plus v2 rankings back to January 2013.
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Medyabim most worsened in Turkey in May SpamRankings.net
Medyabim Internet Services popped into the Turkish top 10 for May 2013, hopping up from #81 to #5. This happened starting about 23 May 2013, probably coincidentally about the same time as the...
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Zerofail from nowhere to #2 in April and May 2013 SpamRankngs.net for Canada
Zerofail's AS 40191 AS-PRE2POST-1 jumped from 5 per day April 1st to more than a million spam messages many days in April, and from 413 total in March to almost 22 million in April. That made it #2 in...
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Canada's Hospital for Sick Kids stopped spamming
Canada's The Hospital for Sick Children AS 46626 SICKKIDS-AS-01 dropped out of the May 2013 for world medical organizations from CBL data. In April they ranked #1 with 21,912 spam messages, and in May...
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Relizon from nowhere to #3 for Canada in May SpamRankings.net
Relizon Canada Inc.'s AS 40034 RELIZON-CDN jumped from #134 to #3 in the May 2013 for Canada All from CBL data. On May Day CBL saw 1 spam message from AS 40034 and more than 3 million on May 31....
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June 2013 Rankings
Belgium has a new top 4, spamming 96% of the top 10. #1 Netline SPRL jumped from 46 messages to 17 million. Also v2 rankings now go back to May 2012.
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Germany 3 of the top 5 in June 2013 SpamRankings.net
German companies took 3 of the 5 top spots in the June 2013 World from CBL volume. #2 Online AG RZ's AS 24940 rose from #35, and #4 Internet AG's AS 8560 rose from #51. #5 AG's AS 6724 actually got...
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Codero 2nd most reliable (Netcraft) and 3rd spammiest (SpamRankings.net)
Codero jumped from #137 in May to #3 in the June 2013 U.S. from CBL volume. For that same month, Netcraft ranked Codero #1 for hosting reliability. Netcraft ranks worldwide, and in the worldwide...
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July 2013 Rankings
July 2013 World Medical rankings from CBL Volume show how medical organizations these days pop up for a week and mostly pop back down. This is very different from before we started publishing medical...
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UT Researchers Take Down Spam One Day at a Time [Infographic]
Since 2011, the Center for Research in Electronic Commerce (CREC) at The University of Texas has been tracking where spam is coming from on SpamRankings .net. “Most spam is sent from computers...
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#1 third time: University of Pittsburgh Medical Center, July 2013
University of Pittsburgh Medical Center's AS122 U-PGH-NET-AS is #1 again in the July 2013 worldwide medical from CBL volume data. It's also been #1 in June 2013, when it also spiked over 1,000, and in...
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Researchers Take Down Spam One Day at a Time [Infographic]
Ever wonder where all that spam in your inbox comes from? SpamRankings.net tracks daily changes in spam trends worldwide. In July, most of it originated in the U.S.“By publishing the names of...
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