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Friday, May 21, 2021

Botnet Statistics [2021-05-20]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-05-20 00:00-23:59 UTC
total number of suspected botnet IPs: 31975
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 29345
number of spam blocked: 0
recipient count of spam blocked: 0

The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:

RankNetwork# of suspected botnet IPs
1TencentCloud2030
2ALISOFT1023
3DIGITALOCEAN-192-241-128-01017
4TENCENT-CN684
5NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK640
6VNPT-VN576
7VIETTEL-VN498
8HINET-NET437
9Baidu363
10CMNET312


The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:

RankCountry/Region# of suspected botnet IPs
1China8332
2United States4639
3Russian Federation1828
4India1692
5Viet Nam1561
6Brazil1451
7Indonesia928
8Thailand758
9European Union662
10Taiwan581

The top 10 TCP ports, ordered by the number of connection attempts received are:

RankTCP port number# of connection attempts received
1445150959
22253837
3150038485
4590037413
5303235107
6338932400
7829131858
8872830567
9143330036
1016628566

20210521 Botnet Detection Live Streaming 1500+ zombies detected)

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