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The Top 10 Worst

The World's Worst Botnet ISPs

ISPs in this chart have the highest number of detected spam-bots as listed in the Spamhaus XBL zone. Most bots can be used for spam, phishing, click-fraud, DDoS and other malicious activities.

Many issues may relate to a country's bot density including technical, policy and socioeconomic factors.

Additional and more detailed statistics can be found at the Spamhaus CBL website:

CBL breakdown by Domain

CBL breakdown by Domain Traffic

CBL breakdown by Domain Infections


Source: Spamhaus (XBL) database. Data is compiled automatically every 24 hours from the XBL database using the number of currently listed bots for each network (ISP/NSP).
The 10 Worst Botnet ISPs
As of 23 January 2018 the world's worst botnet infected ISPs are:
1
chinanet.cn.net Number of Bots: 1394238

2
sancharnet.in Number of Bots: 869385

3
vnnic.net.vn Number of Bots: 679962

4
airtel.in Number of Bots: 556736

5
telekom.gov.tr Number of Bots: 363002

6
uninet.net.mx Number of Bots: 348011

7
cnc-noc.net Number of Bots: 336336

8
telkom.co.id Number of Bots: 315730

9
rt.ru Number of Bots: 306710

10
algerietelecom.dz Number of Bots: 212362

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