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 01 March 2021 the world's worst botnet infected Autonomous System Numbers are: |
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1
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AS4134
China Telecom (ChinaNet)
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Number of Bots: 709563
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2
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AS45609
Bharti Airtel Ltd. AS for GPRS Service
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Number of Bots: 302861
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|
3
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AS4837
China Unicom
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Number of Bots: 269930
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4
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AS45899
VNPT Corp
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Number of Bots: 229789
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|
5
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AS36947
Telecom Algeria
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Number of Bots: 187629
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6
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AS8452
TE Data, SAE
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Number of Bots: 141182
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7
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AS7713
PT Telekomunikasi Indonesia
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Number of Bots: 133560
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8
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AS9829
Bharat Sanchar Nigam Limited (BSNL)
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Number of Bots: 111139
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|
9
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AS5089
Virgin Media Limited
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Number of Bots: 110115
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|
10
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AS20115
CHARTER-20115
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Number of Bots: 107289
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