The World's Worst Spam Support ISPs
Spam continues to plague the internet because a small number of Internet Service Providers knowingly sell service to professional spammers for profit, or do not enough or nothing to prevent spammers operating from their networks.
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| The World's Worst Spam Support ISPs |
| As of 11 December 2019 the ISPs with the highest numbers of known ongoing spam problems are: |
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1
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htu.cc |
Number of Current Known Spam Issues: 276 |
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2
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kornet.net |
Number of Current Known Spam Issues: 189 |
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3
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zzidc.com |
Number of Current Known Spam Issues: 183 |
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4
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microsoft.com |
Number of Current Known Spam Issues: 180 |
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5
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chinanet-js |
Number of Current Known Spam Issues: 168 |
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6
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google.com |
Number of Current Known Spam Issues: 167 |
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7
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ovh.net |
Number of Current Known Spam Issues: 151 |
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8
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chinanet-zj |
Number of Current Known Spam Issues: 147 |
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9
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chinanet-ha |
Number of Current Known Spam Issues: 145 |
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10
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chinanet-hb |
Number of Current Known Spam Issues: 134 |
Source: Spamhaus Blocklist (SBL) database. Data is compiled automatically every 24 hours from the SBL database and sorted by the number of currently listed SBL records for each network (ISP/NSP). The source data, including record information on each spam issue listed can be viewed by clicking on the Number of Known Spam Issues links. |
