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CDM snowshoes to the top of the world in May 2012 SpamRankings.net
In addition to snowshoe spam taking 7 of the top 10 U.S. SpamRankings.net for May 2012, one of the snowshoe spamming companies, CDM, outspammed every other organization in the world! CDM's AS 6428...
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Stone Internet Services' AS 39234 dropped like a rock in May 2012...
Some good news for Belgium! Stone Internet Services' AS 39234 decreased spamming by 95% in May 2012, dropping from 8,212 on May Day to 321 on 28 May. In the other direction, Brutele's AS 12392 went...
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SuperOnline dropped off May 2012 Turkey top 10 SpamRankingsnet
Congratulations to Turkcell SuperOnline's AS 34104 GLOBAL 64,658 for dropping off of the top 10 spamming ASN's for Turkey in the May 2012 SpamRankings.net! It was replaced in the Turkish top 10 by...
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Canada, land of spam plateaus on SpamRankings.net
Snowshoe spam took #1 in Canada again, through AS 32613 IWEB-AS, on the May 2012 SpamRankings.net. That was the first week of a spam plateau per ASN. The next week saw a platau for AS 33139...
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Cleveland Clinic wins one way, then another, in SpamRankings.net
1(4)AS 22093 CCF-NETWORK US 2(-)AS 27609 USC-UNIVERSITY-HOSPITAL US 3(1)AS 25611 NSLIJHS US 4(-)AS 19335 APRIA-HEALTHCARE US 5(2)AS 9208 WIN BE 6(7)AS 122 U-PGH-NET-AS US Cleveland Clinic took #1 in...
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1(2)AS 8075 MICROSOFT-CORP---MSN-AS-BLOCK 2(1)AS 36692 OPENDNS 3(-)AS 26769 BANDCON 4(-)AS 22414 CRAIGS-NET-1 5(-)AS 22822 LLNW 6(-)AS 10912 INTERNAP-BLK Beating even OPENDNS, Microsoft took #1 in U.S....
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Microsoft back on top in June SpamRankings.net
1 (2) AS 8075 MICROSOFT-CORP---MSN-AS-BLOCK 2 (1) AS 36692 OPENDNS 3 (-) AS 26769 BANDCON 4 (-) AS 22414 CRAIGS-NET-1 5 (-) AS 22822 LLNW 6 (-) AS 10912 INTERNAP-BLK Beating even OPENDNS, Microsoft...
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Grum and other botnets, 1 June 2012 - 19 July 2012, SpamRankings.net
Apparently the grum botnet has been taken down, or at least its command and control structure. We don't see a lot of change yet, but we'll keep watching. BBC News wrote today, Huge spam botnet Grum is...
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Spam from Microsoft's AS 8075 April 2011-June 2012
As we've seen, Microsoft's AS 8075 is back on top in the June 2012 SpamRankings.net from PSBL data. Actually, AS 8075 is a chronic offender, having been #1 numerous times, often placing in the top 10,...
View ArticleStudy: Microsoft repeatedly ranks as top U.S. spammer; University of Texas...
Based on results culled from spam block lists, researchers found that Microsoft IP addresses were responsible for a big enough volume of spam to top their SpamRankings.net list for the U.S. in April...
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Grum down, but... 1 June 2012 - 30 July 2012, SpamRankings.net
Here is the promised followup to our look at the Grum botnet takedown, in which we have good news and not so good news. A week ago we didn't see much effect. As we noted, that was possibly because the...
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July 2012 Rankings
Festi botnet pushed numerous ASNs to the top of their national rankings and the world, pushing India, Saudi Arabia, and Turkey to the top of the world. Also Microsoft #1 again in U.S. PSBL rankings.
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Festi botnet infesting the world, July 2012
Autonomous Systems (ASes) infested with Festi botnet spammed more than any others worldwide, pushing whole new countries such as Saudi Arabia and Turkey into the top of the top 20 countries in the...
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WIN finally got the no medical spam memo in March 2012
There's a new development since we summarized A Year of SpamRankings.net: Medical Organizations. Chronic spamming medical organization WIN of Belgium finally dropped out of the July 2012 top 10 with...
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Pittsburgh back in the top 10 for spam from U.S. medical organizations
And this time it's #1 in the July 2012 U.S. SpamRankings.net from CBL data: AS 122 U-PGH-NET-AS in the same ranking over time: 2011 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2012 Jan Feb Mar Apr May Jun...
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Festi botnet in July 2012 U.S. Medical SpamRankings.net from CBL
The curve for University of Pittsburgh Medical Center's AS 122 U-PGH-NET-AS in the July 2012 U.S. SpamRankings.net from CBL data is almost completely explained by Festi botnet, except for one day, plus...
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eHealth Ontario tops worldwide medical spammers SpamRankings.net
Joining the festival of the Festi botnet, eHealth Ontario's AS 21992 SSHA-ONE-ASN made #1 in the July 2012 worldwide medical spam SpamRankings.net from CBL data, the first Canadian organization to do...
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John Quarterman on Mapping Spam and Politics (audio)
At a meeting on a completely different subject, I was interviewed about SpamRankings.net. Here's the audio, and here's the blurb they supplied: John S. Quarterman, long time Internet denizen, wrote one...
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TTNET ejected Festi but still infested with Lethic and other botnets...
Congratulations to Turkey's TTNET's AS 9121 for getting Festi botnet spam down from more than a million messages a day to less than 100,000! However, Festi is still in there, and TTNET has other...
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Grum botnet is staging a comeback
Remember the apparently successful Grum botnet takedown? Well, Grum is staging a comeback. Sure, a few tens of thousands of spam messages in August 2012 doesn't seem like much compared to the millions...
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