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 January 2021 the ISPs with the highest numbers of known ongoing spam problems are: |
1
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chinanet-gd |
Number of Current Known Spam Issues: 726 |

2
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kornet.net |
Number of Current Known Spam Issues: 560 |

3
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chinanet-js |
Number of Current Known Spam Issues: 364 |

4
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google.com |
Number of Current Known Spam Issues: 356 |

5
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microsoft.com |
Number of Current Known Spam Issues: 307 |

6
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chinamobile.com |
Number of Current Known Spam Issues: 282 |

7
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cloudflare.com |
Number of Current Known Spam Issues: 273 |

8
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wind.com.do |
Number of Current Known Spam Issues: 215 |

9
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chinanet-hb |
Number of Current Known Spam Issues: 195 |

10
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chinanet-zj |
Number of Current Known Spam Issues: 153 |

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. |