The World's Worst Botnet ASNs
Autonomous System Numbers (ASNs) in this chart have the highest number of detected spam-bots as listed in the Spamhaus XBL zone, sorted by ASN. See one of the below links for a definition of ASN.
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 ASN
CBL breakdown by ASN Traffic
CBL breakdown by ASN 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).
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| The 10 Worst Botnet ASNs |
| As of 19 August 2017 the world's worst botnet infected Autonomous System Numbers are: |
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1
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AS4134
CHINANET-BACKBONE No.31,Jin-rong Street, CN
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Number of Bots: 1373693
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2
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AS9829
BSNL-NIB National Internet Backbone, IN
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Number of Bots: 424119
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3
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AS45609
BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
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Number of Bots: 377218
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4
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AS45899
VNPT-AS-VN VNPT Corp, VN
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Number of Bots: 240549
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5
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AS12389
ROSTELECOM-AS, RU
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Number of Bots: 201753
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6
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AS4837
CHINA169-BACKBONE CNCGROUP China169 Backbone, CN
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Number of Bots: 191674
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7
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AS45271
ICLNET-AS-AP Idea Cellular Limited, IN
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Number of Bots: 188078
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8
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AS24560
AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services, IN
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Number of Bots: 162067
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9
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AS22927
Telefonica de Argentina, AR
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Number of Bots: 134613
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10
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AS3462
HINET Data Communication Business Group, TW
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Number of Bots: 128621
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