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 22 October 2021 the ISPs with the highest numbers of known ongoing spam problems are: |
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1
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microsoft.com |
Number of Current Known Spam Issues: 426 |
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2
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cloudflare.com |
Number of Current Known Spam Issues: 386 |
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3
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google.com |
Number of Current Known Spam Issues: 340 |
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4
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chinanet-gd |
Number of Current Known Spam Issues: 331 |
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5
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chinanet-js |
Number of Current Known Spam Issues: 304 |
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6
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uninet.net.mx |
Number of Current Known Spam Issues: 263 |
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7
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wind.com.do |
Number of Current Known Spam Issues: 245 |
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8
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chinanet-zj |
Number of Current Known Spam Issues: 232 |
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9
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chinanet-hb |
Number of Current Known Spam Issues: 222 |
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10
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stc.com.sa |
Number of Current Known Spam Issues: 166 |
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. |
